Overview

overview

10

Static

static

10

a7ed8c789a...18.exe

windows7-x64

10

a7ed8c789a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a7ed8c789a41a6db77900fb831cdbef9_JaffaCakes118

  • Size

    253KB

  • Sample

    240614-ehgrjsthnh

  • MD5

    a7ed8c789a41a6db77900fb831cdbef9

  • SHA1

    fbbd9acb792edcc840a6fa9d74bd104555c05da9

  • SHA256

    774e2a55bc641f2c66a14cee1e083d783a13f36fc92de2573baf3a2c5d47a87d

  • SHA512

    5df51bb5d15bfd4b4d73b19e9478d2609790d8f8977a088f61c7fe331756b2a401dc3d7ecaf4f33c15874e6313449ea6b11a1bcac0fa64d51b776d4cbcb0db8f

  • SSDEEP

    6144:5BJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnI:5tqwjxRl+t6GfL7zc

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

sclipici.ddns.net:1604

Mutex

DC_MUTEX-F54S21D

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    rDB4xqZMb2y5

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      a7ed8c789a41a6db77900fb831cdbef9_JaffaCakes118

    • Size

      253KB

    • MD5

      a7ed8c789a41a6db77900fb831cdbef9

    • SHA1

      fbbd9acb792edcc840a6fa9d74bd104555c05da9

    • SHA256

      774e2a55bc641f2c66a14cee1e083d783a13f36fc92de2573baf3a2c5d47a87d

    • SHA512

      5df51bb5d15bfd4b4d73b19e9478d2609790d8f8977a088f61c7fe331756b2a401dc3d7ecaf4f33c15874e6313449ea6b11a1bcac0fa64d51b776d4cbcb0db8f

    • SSDEEP

      6144:5BJVqu5jxRl+t6Ge0qw0kw9+Ks9a8/7z6lnI:5tqwjxRl+t6GfL7zc

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

6
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks