General

  • Target
    bloom_3.10.1_x64-setup.exe
  • Size 13.9MB
  • Sample261110-tkxm4sa19p
  • SHA256 5cb4d8fe87aaf26f161be61954aebfacb4c9f481b12c5bbcfc48aa6b56db7231
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      bloom_3.10.1_x64-setup.exe
    • Size 13.9MB
    • SHA256 5cb4d8fe87aaf26f161be61954aebfacb4c9f481b12c5bbcfc48aa6b56db7231
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Loads dropped DLL

    • Checks installed software on the system

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

    • Target
      $PLUGINSDIR/StartMenu.dll
    • Size 7KB
    • SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $PLUGINSDIR/nsis_tauri_utils.dll
    • Size 33KB
    • SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    • Target
      $TEMP/MicrosoftEdgeWebview2Setup.exe
    • Size 1.8MB
    • SHA256 f414de01c4680f0bb0694d1ea7803c6968f3a81bf6bad01b89bfc65dce14c2a2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Target
      bloom.exe
    • Size 31.6MB
    • SHA256 1f3cc1720a94d698f60e9d220e035c64c51d7310b7d20bb2bb8806c0c023abea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Checks computer location settings

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

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Share Discovery

      Attempt to gather information on host network.

MITRE ATT&CK Enterprise v16

Tasks