General

  • Target
    VirusShare_de1d9d35a790080138c0aa5efd78ac2c
  • Size 657KB
  • Sample240204-ttyxjaebc4
  • SHA256 597c1d7ea178d6def194608b6bbf233a8892ec001a6c0063a35553dde948c5b0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      VirusShare_de1d9d35a790080138c0aa5efd78ac2c
    • Size 657KB
    • SHA256 597c1d7ea178d6def194608b6bbf233a8892ec001a6c0063a35553dde948c5b0
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Drops file in System32 directory

    • Target
      $PLUGINSDIR/aminsis.dll
    • Size 567KB
    • SHA256 1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      ffRichMediaViewV1release234chaction.js
    • Size 859B
    • SHA256 2753c08e0b6da854c2b114af103295bd898ad159c31d0640289e647e6187116a
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffRichMediaViewV1release234.js
    • Size 762B
    • SHA256 132bec882e6eba111f8f646c19b2d6a92e818e07098248fc6657a67b13d14510
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffRichMediaViewV1release234ffaction.js
    • Size 698B
    • SHA256 09f646e95a1473fdc4bc944fcb47d5b94e8ef2c70f096594966cdfa28930ff2a
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ie/RichMediaViewV1release234.dll
    • Size 85KB
    • SHA256 a05699032c4a81e650a626ca06bd8eb84b721d1884651972e8ac4027befcabc0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Target
      uninstall.exe
    • Size 289KB
    • SHA256 f87582af2ae7fc48c78e4d06c51f4bfbc254674a5c060226000da84916073961
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Target
      $PLUGINSDIR/aminsis.dll
    • Size 567KB
    • SHA256 1c371dcc6c3428ea98fb0d2dcb612b4ebc731f3ed72e683c8e33058cd2a952d3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks