Overview

overview

10

Static

static

3

JaffaCakes...84.exe

windows7-x64

10

JaffaCakes...84.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_a49559a200d60501832dfec97f359084

  • Size

    1.7MB

  • Sample

    250205-2w3bqsxkek

  • MD5

    a49559a200d60501832dfec97f359084

  • SHA1

    ca9e1cc0ab5bb028ab1563ff0bb50d775a001b3a

  • SHA256

    e1f04c9b99e42c5bb10ccfd7c39143032f2e0bb2ece2059eb7ead0b463ff5f01

  • SHA512

    aeda9ea95014ea2e53298d313cb970f65f6dc59d7fcc44fce1d496a132565f21a9a87cf89cb27c6c9acd340c83a1b3d607204fc4510572b07d3de07a5144cce1

  • SSDEEP

    24576:6Un4Pm0DnaOKPdJ2if1iznaThZEvTOPm+qc9Tr2+jgc1:tg5aO3xGfRbe+V

Score
10/10
darkcometdefense_evasiondiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_a49559a200d60501832dfec97f359084

    • Size

      1.7MB

    • MD5

      a49559a200d60501832dfec97f359084

    • SHA1

      ca9e1cc0ab5bb028ab1563ff0bb50d775a001b3a

    • SHA256

      e1f04c9b99e42c5bb10ccfd7c39143032f2e0bb2ece2059eb7ead0b463ff5f01

    • SHA512

      aeda9ea95014ea2e53298d313cb970f65f6dc59d7fcc44fce1d496a132565f21a9a87cf89cb27c6c9acd340c83a1b3d607204fc4510572b07d3de07a5144cce1

    • SSDEEP

      24576:6Un4Pm0DnaOKPdJ2if1iznaThZEvTOPm+qc9Tr2+jgc1:tg5aO3xGfRbe+V

    Score
    10/10
    darkcometdefense_evasiondiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      defense_evasion

    • 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

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks