Overview

overview

10

Static

static

5

94d7bc9e26...18.exe

windows7-x64

10

94d7bc9e26...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    94d7bc9e260423579441e97426115344_JaffaCakes118

  • Size

    1.2MB

  • Sample

    241124-qaywmszrfz

  • MD5

    94d7bc9e260423579441e97426115344

  • SHA1

    1ebdf80e2623d1751e155a4247281a452f1bd23f

  • SHA256

    a2b7577b883311a9d059a719d269f1f5fc0abc30efaa7ba912925c5ba40681cc

  • SHA512

    273021aa8fd567aebe9a405996e7bb83f63dc66df4f88c3887a05ba9b709e362ecbc9c36be7abe47814c9d9095c72d3848a938790f2e15e15d595dab51990769

  • SSDEEP

    24576:STvb1Q+wwPJksegeQMRaglkemV6r7dExwKKyClF1GrLI2TT2Qs6WZUPJg3:qvbawCvRzRag+eXXd+s4vI2nTsRmh

Score
10/10
darkcometdiscoveryevasionpersistencerattrojanupx

Malware Config

Targets

    • Target

      94d7bc9e260423579441e97426115344_JaffaCakes118

    • Size

      1.2MB

    • MD5

      94d7bc9e260423579441e97426115344

    • SHA1

      1ebdf80e2623d1751e155a4247281a452f1bd23f

    • SHA256

      a2b7577b883311a9d059a719d269f1f5fc0abc30efaa7ba912925c5ba40681cc

    • SHA512

      273021aa8fd567aebe9a405996e7bb83f63dc66df4f88c3887a05ba9b709e362ecbc9c36be7abe47814c9d9095c72d3848a938790f2e15e15d595dab51990769

    • SSDEEP

      24576:STvb1Q+wwPJksegeQMRaglkemV6r7dExwKKyClF1GrLI2TT2Qs6WZUPJg3:qvbawCvRzRag+eXXd+s4vI2nTsRmh

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      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

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks