Technical Information
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- '%APPDATA%\grayr6387.exe'
Injects code into
the following user processes:
- grayr6387.exe
Searches for registry branches where third party applications store passwords
- [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
- [<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions\]
Reads files which store third party applications passwords
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\opera software\opera stable\login data
- %LOCALAPPDATA%\google\chrome\user data\default\cookies
- %LOCALAPPDATA%\google\chrome\user data\default\web data
- %HOMEPATH%\desktop\holycrosschurchinstructions.docx
Modifies file system
Creates the following files
- %APPDATA%\grayr6387.exe
- %TEMP%\f3e028ef\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\f3e028ef\freebl3.dll
- %TEMP%\f3e028ef\mozglue.dll
- %TEMP%\f3e028ef\msvcp140.dll
- %TEMP%\f3e028ef\nss3.dll
- %TEMP%\f3e028ef\nssdbm3.dll
- %TEMP%\f3e028ef\softokn3.dll
- %TEMP%\f3e028ef\ucrtbase.dll
- %TEMP%\f3e028ef\vcruntime140.dll
- %TEMP%\1108215276344687818443.tmp
- %TEMP%\f3e028ef\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\11082626150399677531.tmp
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %TEMP%\11111792911859966848121.tmp
- %TEMP%\11111799061805071194662.tmp
- %TEMP%\111116323425022002458.tmp
- %TEMP%\11111631720746696958.tmp
- %TEMP%\11111486657250567607194.tmp
- %TEMP%\f3e028ef\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\11111325319832945189362.tmp
- %TEMP%\11110859651333521357333.tmp-shm
- %TEMP%\11110859651333521357333.tmp
- %TEMP%\1111023410266688757165.tmp
- %TEMP%\11109927759701968172171.tmp
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\f3e028ef\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\f3e028ef\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\11111323081475913211930.tmp
- %TEMP%\f3e028ef\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\11111956759914762491580.tmp
- %TEMP%\f3e028ef\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\11111956759914762491580.tmp-shm
Deletes the following files
- %TEMP%\1108215276344687818443.tmp
- %TEMP%\f3e028ef\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\f3e028ef\ucrtbase.dll
- %TEMP%\f3e028ef\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\f3e028ef\freebl3.dll
- %TEMP%\f3e028ef\mozglue.dll
- %TEMP%\f3e028ef\msvcp140.dll
- %TEMP%\f3e028ef\nss3.dll
- %TEMP%\f3e028ef\nssdbm3.dll
- %TEMP%\f3e028ef\softokn3.dll
- %TEMP%\f3e028ef\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\11111956759914762491580.tmp
- %TEMP%\11082626150399677531.tmp
- %TEMP%\11109927759701968172171.tmp
- %TEMP%\1111023410266688757165.tmp
- %TEMP%\11110859651333521357333.tmp-shm
- %TEMP%\11110859651333521357333.tmp
- %TEMP%\11111323081475913211930.tmp
- %TEMP%\11111325319832945189362.tmp
- %TEMP%\11111486657250567607194.tmp
- %TEMP%\11111631720746696958.tmp
- %TEMP%\111116323425022002458.tmp
- %TEMP%\11111799061805071194662.tmp
- %TEMP%\11111792911859966848121.tmp
- %TEMP%\11111956759914762491580.tmp-shm
- %TEMP%\f3e028ef\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\f3e028ef\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\f3e028ef\vcruntime140.dll
Network activity
TCP
HTTP GET requests
- http://go##dns.ir/grayx/grayx.exe
HTTP POST requests
- http://ci#j.ir/gray/index.php
UDP
- DNS ASK go##dns.ir
- DNS ASK ci#j.ir
Miscellaneous
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
