Overview

overview

10

Static

static

5

bb23851f12...18.exe

windows7-x64

10

bb23851f12...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bb23851f12b94146a2e9bea40e402598_JaffaCakes118

  • Size

    233KB

  • Sample

    241203-b2rjbayrap

  • MD5

    bb23851f12b94146a2e9bea40e402598

  • SHA1

    8147baf8e7721aeb94dcd331822fb02dea67d55e

  • SHA256

    b81b00cfce69fd51c39632d7f25e387ab8fc35034d817afa7dcfe3d255440c48

  • SHA512

    51b5d8e758edbfe31e0a5643d2782c01010cd381f6b61394b4883b6aa71fab6cf88859da25ea161688cd7ccff531b1b6e1ffe2d6ae9b3a8a9fc18ce59fa0d1e0

  • SSDEEP

    6144:Mc9WgRW/knqNzenrsMNZs/Sp5mWp296aFBtweGQAPoS:XpRHpNZN9p296aFYZPoS

Score
10/10
darkcometguest16_mindiscoverypersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:80

Mutex

DCMIN_MUTEX-G7RFM8S

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    cX3xu7zscRz6

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      bb23851f12b94146a2e9bea40e402598_JaffaCakes118

    • Size

      233KB

    • MD5

      bb23851f12b94146a2e9bea40e402598

    • SHA1

      8147baf8e7721aeb94dcd331822fb02dea67d55e

    • SHA256

      b81b00cfce69fd51c39632d7f25e387ab8fc35034d817afa7dcfe3d255440c48

    • SHA512

      51b5d8e758edbfe31e0a5643d2782c01010cd381f6b61394b4883b6aa71fab6cf88859da25ea161688cd7ccff531b1b6e1ffe2d6ae9b3a8a9fc18ce59fa0d1e0

    • SSDEEP

      6144:Mc9WgRW/knqNzenrsMNZs/Sp5mWp296aFBtweGQAPoS:XpRHpNZN9p296aFYZPoS

    Score
    10/10
    darkcometguest16_mindiscoverypersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Drops file in System32 directory

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks