Overview

overview

10

Static

static

3

a31d6927bf...18.exe

windows7-x64

10

a31d6927bf...18.exe

windows10-2004-x64

10

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General

  • Target

    a31d6927bf04e3ffd52f558de7210037_JaffaCakes118

  • Size

    255KB

  • Sample

    241126-vkl22swqck

  • MD5

    a31d6927bf04e3ffd52f558de7210037

  • SHA1

    095eb395c68c207e41a354efbbd22e77ff75417b

  • SHA256

    58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

  • SHA512

    81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

  • SSDEEP

    6144:vuxXBYvNW6TnAIqf80BkhNygzGEUpQg2ciHvi6n8Lz:iB4WZrd8NygzlgeHKCSz

Score
10/10
darkcometdiscoverypersistencerattrojanupx

Malware Config

Targets

    • Target

      a31d6927bf04e3ffd52f558de7210037_JaffaCakes118

    • Size

      255KB

    • MD5

      a31d6927bf04e3ffd52f558de7210037

    • SHA1

      095eb395c68c207e41a354efbbd22e77ff75417b

    • SHA256

      58dbfc2bc3e08cbbe98dcf288446c5f5ae9e71dc693f8cfb042f7eff90e62b1c

    • SHA512

      81cdee6cbf20fce4085180888d6f659ddd72f8715085937c104ac950ef644cb0a7148e63bf7298d4840ef31725702a2d92f9ed8fb88b195dfa909d467d32da96

    • SSDEEP

      6144:vuxXBYvNW6TnAIqf80BkhNygzGEUpQg2ciHvi6n8Lz:iB4WZrd8NygzlgeHKCSz

    Score
    10/10
    darkcometdiscoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      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

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks