General

  • Target
    VirusShare_997e7aaaf3dc9dbeca0e95f50d3ecb45
  • Size 634KB
  • Sample240204-pc9kgsbben
  • SHA256 e225b3017e0e35a66498fa9dc7adbae71f2c32ca84104f2a93b8890c8c2d8a66
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      VirusShare_997e7aaaf3dc9dbeca0e95f50d3ecb45
    • Size 634KB
    • SHA256 e225b3017e0e35a66498fa9dc7adbae71f2c32ca84104f2a93b8890c8c2d8a66
    • 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 559KB
    • SHA256 b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      ffMediaWatchV1home872chaction.js
    • Size 829B
    • SHA256 bc242ed84fc287b8524b301e5d2afcdb4ab60ad6119ab6b38ad6ed95d39709b8
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffMediaWatchV1home872.js
    • Size 744B
    • SHA256 31766102d09320dc74d1841c2a00330957affa59089f55116abed4863e7dbb2e
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffMediaWatchV1home872ffaction.js
    • Size 674B
    • SHA256 febe5a898bdf8d2a0ead3c93aad617839d673c94bbc522396db2582261ac90a0
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ie/MediaWatchV1home872.dll
    • Size 85KB
    • SHA256 da087b7fa4e14784223b11732ad51e4a5f9b6a29ea9d1ae68d3b638e05be257f
    • 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 285KB
    • SHA256 192b7b13e8591df8a138a34a56c1c8df6f71d84378c67cf885669aed9fe19119
    • 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 559KB
    • SHA256 b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks