Overview

overview

10

Static

static

3

JaffaCakes...25.exe

windows7-x64

10

JaffaCakes...25.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_aba0b440dd25c7f3d8a009009a6abc25

  • Size

    680KB

  • Sample

    250206-qkbtvsxqdr

  • MD5

    aba0b440dd25c7f3d8a009009a6abc25

  • SHA1

    f023abfa140aa9fb9a93eca3a01451df8c7442f7

  • SHA256

    e3b98c6377aedde14ae5dae49e9a7ce7e6bbfc5021537317fe4c071d544999d8

  • SHA512

    341b58620b95cc3f3935d43b685ba47cafbaa1e5c2537d47d84a6cc1ddb51922c547a877d7a2918a96f9ccf46911dac213b0b338b8695c85fe48eb04b53d8939

  • SSDEEP

    12288:e2uoo5daSSM+f1Bf6m68tteXNBZcICMTJT7qpOxTieIiZ2/9ie2:K95dIRfPtPeXuD2TRTieB2/9/2

Score
10/10
darkcometdefense_evasiondiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_aba0b440dd25c7f3d8a009009a6abc25

    • Size

      680KB

    • MD5

      aba0b440dd25c7f3d8a009009a6abc25

    • SHA1

      f023abfa140aa9fb9a93eca3a01451df8c7442f7

    • SHA256

      e3b98c6377aedde14ae5dae49e9a7ce7e6bbfc5021537317fe4c071d544999d8

    • SHA512

      341b58620b95cc3f3935d43b685ba47cafbaa1e5c2537d47d84a6cc1ddb51922c547a877d7a2918a96f9ccf46911dac213b0b338b8695c85fe48eb04b53d8939

    • SSDEEP

      12288:e2uoo5daSSM+f1Bf6m68tteXNBZcICMTJT7qpOxTieIiZ2/9ie2:K95dIRfPtPeXuD2TRTieB2/9/2

    Score
    10/10
    darkcometdefense_evasiondiscoverypersistencerattrojan

    • 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

      defense_evasion

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks