General

  • Target
    VirusShare_4d6090def7468fc02c70c203a9894256
  • Size 689KB
  • Sample240204-th8btsdfh5
  • SHA256 3e1215be235134c2dd181f595cda96436fb66773415856845f21497d1eae0183
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      VirusShare_4d6090def7468fc02c70c203a9894256
    • Size 689KB
    • SHA256 3e1215be235134c2dd181f595cda96436fb66773415856845f21497d1eae0183
    • 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.

    • Registers COM server for autorun

    • 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/System.dll
    • Size 11KB
    • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/aminsis.dll
    • Size 567KB
    • SHA256 e78e0e61707cabec8383f1e74da9db8e0fa123a3a7b36f0080d70fbaed6f7453
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      ffTrustMediaViewerV1alpha1078chaction.js
    • Size 869B
    • SHA256 613e5c486004086c216613c1c6f92cbb5be5bcd273f0ecaa7734ce5fa97d128d
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffTrustMediaViewerV1alpha1078.js
    • Size 768B
    • SHA256 708f4c9d89fd694294d40e1acf3254c7a3a59e158fd4746bb988b8c89563e7d2
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ff/chrome/content/ffTrustMediaViewerV1alpha1078ffaction.js
    • Size 706B
    • SHA256 4ad5877f831e1ba10306572a4ead6141b303b68063460635c515cf0a1c88b467
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      ie/TrustMediaViewerV1alpha1078.dll
    • Size 85KB
    • SHA256 cb761a7ab59975bd000a3acf8ff9a7e03b6ef9e5f2e5595861546f9b4b124e9c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    • Installs/modifies Browser Helper Object

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

    • Target
      ie/TrustMediaViewerV1alpha1078x64.dll
    • Size 100KB
    • SHA256 2071ca0bef94f66ed5851180fbdb18bd484aac2fccc3a10b56171e6911ddc388
    • MD5 SHA1 SHA512 SSDEEP
    • Registers COM server for autorun

    • Installs/modifies Browser Helper Object

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

    • Target
      uninstall.exe
    • Size 295KB
    • SHA256 852f08797d1ae83cb293b1ebb3e1a924348cefca7b8086210d302b4898e1ce3b
    • 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/System.dll
    • Size 11KB
    • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/aminsis.dll
    • Size 567KB
    • SHA256 e78e0e61707cabec8383f1e74da9db8e0fa123a3a7b36f0080d70fbaed6f7453
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks