Overview

overview

10

Static

static

3

JaffaCakes...7b.exe

windows7-x64

10

JaffaCakes...7b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_fe2abd17314a58a5f51d5b1632a89a7b

  • Size

    1016KB

  • Sample

    250216-bmzalsvlft

  • MD5

    fe2abd17314a58a5f51d5b1632a89a7b

  • SHA1

    4f4f5b572ecf04b00092db1403b67983a96ad71a

  • SHA256

    61c7c59633f930b41d76d1b54ff9c73376be6fe974e1232163bf1cb2df02fdc3

  • SHA512

    1b86f0d2ba603ca6c645fe8f457c4b377840ffcfd924d479a0cccd725e3e42bded89a60f92326b79cf3a9db52d8af32c5e4dfa72a77d142ae1b9c86d676057b3

  • SSDEEP

    12288:IsOYbEX/1Yp8ryHX24d2WWpu0Qieo2pF8PbMaIPENOQiaK90UgRXam4EKL0LBeuu:g74gdlM90JX00lUT151Lfbc2XDTYa6

Score
10/10
darkcometguest16discoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

dougla381.no-ip.info:1604

Mutex

DC_MUTEX-HFR54V7

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    #D/DHwqH/c=b

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_fe2abd17314a58a5f51d5b1632a89a7b

    • Size

      1016KB

    • MD5

      fe2abd17314a58a5f51d5b1632a89a7b

    • SHA1

      4f4f5b572ecf04b00092db1403b67983a96ad71a

    • SHA256

      61c7c59633f930b41d76d1b54ff9c73376be6fe974e1232163bf1cb2df02fdc3

    • SHA512

      1b86f0d2ba603ca6c645fe8f457c4b377840ffcfd924d479a0cccd725e3e42bded89a60f92326b79cf3a9db52d8af32c5e4dfa72a77d142ae1b9c86d676057b3

    • SSDEEP

      12288:IsOYbEX/1Yp8ryHX24d2WWpu0Qieo2pF8PbMaIPENOQiaK90UgRXam4EKL0LBeuu:g74gdlM90JX00lUT151Lfbc2XDTYa6

    Score
    10/10
    darkcometguest16discoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Downloads MZ/PE file

    • 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