General

  • Target

    release.exe

  • Size

    99.1MB

  • Sample

    250204-whm21avnb1

  • MD5

    bbc59c077ce7cfaf1ab0876c24783be1

  • SHA1

    f5d859252f5f9221933b8b558afa20207bfe5cf6

  • SHA256

    b775d82a8b14317c3b3a8b4689d3f1d6a76daed392f53ddf3e720dc06bb562db

  • SHA512

    bdb4e32a4536b8f8329eb866b5124b7ae23bfa60b992183bdc189cdeec9377635f19d0ed646cbbfdd6465373d6a7d758d9ed39acf8f52b0bf6fffa93bb0c8f24

  • SSDEEP

    393216:N7YDpSE2Qxad5IOoCh3d9hf0qG7cbq9qAWmMzihtDDQjz2eXL:GlSi4oChXhf0qCL9qHziDDQX2

Malware Config

Targets

    • Target

      release.exe

    • Size

      99.1MB

    • MD5

      bbc59c077ce7cfaf1ab0876c24783be1

    • SHA1

      f5d859252f5f9221933b8b558afa20207bfe5cf6

    • SHA256

      b775d82a8b14317c3b3a8b4689d3f1d6a76daed392f53ddf3e720dc06bb562db

    • SHA512

      bdb4e32a4536b8f8329eb866b5124b7ae23bfa60b992183bdc189cdeec9377635f19d0ed646cbbfdd6465373d6a7d758d9ed39acf8f52b0bf6fffa93bb0c8f24

    • SSDEEP

      393216:N7YDpSE2Qxad5IOoCh3d9hf0qG7cbq9qAWmMzihtDDQjz2eXL:GlSi4oChXhf0qCL9qHziDDQX2

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks