General

  • Target
    VirusShare_e8b486e46f4b875b6429f3272aaa7df5
  • Size 657KB
  • Sample240204-s8bj4sdde7
  • SHA256 d236f3f7914e5ed1ec440c0e7be9e900ed6b43f736d5d6216cc750dcc7280233
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      VirusShare_e8b486e46f4b875b6429f3272aaa7df5
    • Size 657KB
    • SHA256 d236f3f7914e5ed1ec440c0e7be9e900ed6b43f736d5d6216cc750dcc7280233
    • 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
      ffRichMediaViewV1release162chaction.js
    • Size 859B
    • SHA256 8928fdb319c08f7c7f62431d6b141f765de9686ffbc620378a4d7b080d3562ab
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffRichMediaViewV1release162.js
    • Size 762B
    • SHA256 a46d847db5418af4cd873439883ff3864b4350c6ffb5e916915055dba19cd4cc
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffRichMediaViewV1release162ffaction.js
    • Size 698B
    • SHA256 507cb30b01ab2616063e2eaab4bbb896550b63721c066aac6b25d059279f888f
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ie/RichMediaViewV1release162.dll
    • Size 85KB
    • SHA256 918ef2ef0d41ff7d75c8117b90ed408a8525f7df13e53a86cf43c8f2221d614b
    • 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 459e3498d129ca6c968e7594df7e9938eabc1fe51e878bf0a1fc3a4cd3dddfff
    • 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