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General

  • Target

    JaffaCakes118_82cb757cbb5131d04a810cd570ae057e

  • Size

    666KB

  • Sample

    250320-pe1qcswns9

  • MD5

    82cb757cbb5131d04a810cd570ae057e

  • SHA1

    8e8a66a384c0110e611d752c06d915232b2ecdbc

  • SHA256

    28c06bd09e2acd56379d16fa8d66ace55ac7dffdc790e5b6d927fb268e849a3e

  • SHA512

    bf9acee20ce0671d931d28bee7a613d8e8c7c6ade54adfaf97ab52d37dd8123c452a5395f3281b33ccbfe7505da1de5b2508e6f479a019619f65cfd5d3044217

  • SSDEEP

    12288:ZpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/61:LwAcu99lPzvxP+Bsz2XjWTRMQckkIXn2

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Targets

    • Target

      JaffaCakes118_82cb757cbb5131d04a810cd570ae057e

    • Size

      666KB

    • MD5

      82cb757cbb5131d04a810cd570ae057e

    • SHA1

      8e8a66a384c0110e611d752c06d915232b2ecdbc

    • SHA256

      28c06bd09e2acd56379d16fa8d66ace55ac7dffdc790e5b6d927fb268e849a3e

    • SHA512

      bf9acee20ce0671d931d28bee7a613d8e8c7c6ade54adfaf97ab52d37dd8123c452a5395f3281b33ccbfe7505da1de5b2508e6f479a019619f65cfd5d3044217

    • SSDEEP

      12288:ZpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/61:LwAcu99lPzvxP+Bsz2XjWTRMQckkIXn2

    • Darkcomet

      DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks