Technical Information
Triggers a user-defined sigma rule:
- 4281cb20-2994-4580-aa63-c8b86d019934
- 20f0ee37-5942-4e45-b7d5-c5b5db9df5cd
- 2aa0a6b4-a865-495b-ab51-c28249537b75
- ec82e2a5-81ea-4211-a1f8-37a0286df2c2
- edf3485d-dac4-4d50-90e4-b0e5813f7e60
- 297ae038-edc2-4b2e-bb3e-7c5fc94dd5c7
- d223b46b-5621-4037-88fe-fda32eead684
- ad1f4bb9-8dfb-4765-adb6-2a7cfb6c0f94
To ensure autorun and distribution
Modifies the following registry keys
- [HKCU\Software\Microsoft\Windows\CurrentVersion\Run] 'WindowsSecurity' = '%APPDATA%\Microsoft\Crypto\g5js8t67\ebcrkaed.exe'
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\r54fcr.exe
Modifies file system
Creates the following files
- %TEMP%\_mei17802\vcruntime140.dll
- %TEMP%\_mei17802\_asyncio.pyd
- %TEMP%\_mei17802\_bz2.pyd
- %TEMP%\_mei17802\_cffi_backend.cp39-win_amd64.pyd
- %TEMP%\_mei17802\_ctypes.pyd
- %TEMP%\_mei17802\_decimal.pyd
- %TEMP%\_mei17802\_hashlib.pyd
- %TEMP%\_mei17802\_lzma.pyd
- %TEMP%\_mei17802\_multiprocessing.pyd
- %TEMP%\_mei17802\_overlapped.pyd
- %TEMP%\_mei17802\_queue.pyd
- %TEMP%\_mei17802\_socket.pyd
- %TEMP%\_mei17802\_ssl.pyd
- %TEMP%\_mei17802\_uuid.pyd
- %TEMP%\_mei17802\base_library.zip
- %TEMP%\_mei17802\certifi\cacert.pem
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\installer
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\metadata
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\record
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\wheel
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\licenses\license
- %TEMP%\_mei17802\curl_cffi-0.13.0.dist-info\top_level.txt
- %TEMP%\_mei17802\curl_cffi\__init__.py
- %TEMP%\_mei17802\curl_cffi\__version__.py
- %TEMP%\_mei17802\curl_cffi\_asyncio_selector.py
- %TEMP%\_mei17802\curl_cffi\_wrapper.pyd
- %TEMP%\_mei17802\curl_cffi\aio.py
- %TEMP%\_mei17802\curl_cffi\const.py
- %TEMP%\_mei17802\curl_cffi\curl.py
- %TEMP%\_mei17802\curl_cffi\py.typed
- %TEMP%\_mei17802\curl_cffi\requests\__init__.py
- %TEMP%\_mei17802\curl_cffi\requests\cookies.py
- %TEMP%\_mei17802\curl_cffi\requests\errors.py
- %TEMP%\_mei17802\curl_cffi\requests\exceptions.py
- %TEMP%\_mei17802\curl_cffi\requests\headers.py
- %TEMP%\_mei17802\curl_cffi\requests\impersonate.py
- %TEMP%\_mei17802\curl_cffi\requests\models.py
- %TEMP%\_mei17802\curl_cffi\requests\session.py
- %TEMP%\_mei17802\curl_cffi\requests\utils.py
- %TEMP%\_mei17802\curl_cffi\requests\websockets.py
- %TEMP%\_mei17802\curl_cffi\utils.py
- %TEMP%\_mei17802\libcrypto-1_1.dll
- %TEMP%\_mei17802\libffi-7.dll
- %TEMP%\_mei17802\libssl-1_1.dll
- %TEMP%\_mei17802\pyexpat.pyd
- %TEMP%\_mei17802\python3.dll
- %TEMP%\_mei17802\python39.dll
- %TEMP%\_mei17802\select.pyd
- %TEMP%\_mei17802\unicodedata.pyd
- %APPDATA%\microsoft\crypto\g5js8t67\ebcrkaed.exe
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-d94.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-eb4.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-a68.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-fa8.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754939-ddc.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754944-80.pma
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000002
- %LOCALAPPDATA%\microsoft\edge\user data\default\000002.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\index
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_0
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_2
- %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_3
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel
- %LOCALAPPDATA%\microsoft\edge\user data\functional data-wal
- %LOCALAPPDATA%\microsoft\edge\user data\functional san data-wal
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\manifest-000004
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\data_reduction_proxy_leveldb\000004.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\shortcuts
- %LOCALAPPDATA%\microsoft\edge\user data\default\network action predictor
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp
- %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000003.log
Sets the 'hidden' attribute to the following files
- %APPDATA%\microsoft\crypto\g5js8t67\ebcrkaed.exe
Deletes following files that it created itself
- %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-a68.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-d94.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-eb4.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754938-fa8.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754939-ddc.pma
- %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-6a754944-80.pma
Moves the following files
- from %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\eventdb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\feature engagement tracker\availabilitydb\current
- from %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\autofillstrikedatabase\current
Modifies the following files
- %LOCALAPPDATA%\microsoft\edge\user data\last version
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\site characteristics database\log
- %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\000003.log
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data-journal
- %LOCALAPPDATA%\microsoft\edge\user data\default\web data
- %LOCALAPPDATA%\microsoft\tokenbroker\cache\9cd93bc6dcf544bae69531052e64647ec02f2bb4.tbres
- %TEMP%\.ses
- %LOCALAPPDATA%\microsoft\edge\user data\default\history-journal
- %LOCALAPPDATA%\microsoft\edge\user data\last browser
Substitutes the following files
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Local Storage\leveldb\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Platform Notifications\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\LOG
- %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\BudgetDatabase\LOG
Network activity
Connects to
- 'localhost':49692
- 'if##nfig.me':443
- 'localhost':49695
- 'localhost':49698
- 't.#e':80
- '23.#3.2.133':80
- 'fa###ook.com':80
- 'localhost':49704
- 'go###.org.ua':443
- 'localhost':49707
- 'fa###ook.com':443
- 'co####.edge.skype.com':443
- 'localhost':49717
- 'localhost':49722
- 'localhost':49726
- 'localhost':49732
- 'localhost':49737
- 'localhost':49742
- 'localhost':49749
- 't.#e':443
TCP
HTTP POST requests
- http://go###.org.ua/@gononstopukraine
- http://go###.org.ua/gononstopukraine
Other
- 'localhost':49692
- 'localhost':49693
- 'if##nfig.me':443
- 'localhost':49695
- 'localhost':49696
- 'localhost':49698
- 'localhost':49699
- 'localhost':49704
- 'localhost':49705
- 'go###.org.ua':443
- 'localhost':49707
- 'localhost':49708
- 'fa###ook.com':443
- 'co####.edge.skype.com':443
- 'localhost':49717
- 'localhost':49718
- 'localhost':49722
- 'localhost':49723
- 'localhost':49726
- 'localhost':49727
- 'localhost':49732
- 'localhost':49733
- 'localhost':49737
- 'localhost':49738
- 'localhost':49742
- 'localhost':49743
- 'localhost':49749
- 'localhost':49750
UDP
- DNS ASK if##nfig.me
- DNS ASK t.#e
- DNS ASK ti##ok.com
- DNS ASK fa###ook.com
- DNS ASK go###.org.ua
- DNS ASK co####.edge.skype.com
Miscellaneous
Searches for the following windows
- ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Microsoft\Edge\User Data'
Restarts the analyzed sample
Executes the following
- '<SYSTEM32>\cmd.exe' /c attrib +h +s "%APPDATA%\Microsoft\Crypto\g5js8t67\ebcrkaed.exe"
- '<SYSTEM32>\attrib.exe' +h +s "%APPDATA%\Microsoft\Crypto\g5js8t67\ebcrkaed.exe"
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://t.me/s/gononstopukraine
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://www.tiktok.com/@gononstopukraine
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://www.facebook.com/gononstopukraine
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument https://go-ns.org.ua/
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.facebook.com/gononstopukraine
- '%ProgramFiles(x86)%\microsoft\edge\application\89.0.774.68\identity_helper.exe' --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1796,3399070855214869942,17638679894738616339,131072 --lang=en-US --service-sandbox-type=none --mojo-...
- '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate https://www.facebook.com/gononstopukraine' (with hidden window)
