Overview

overview

10

Static

static

10

JaffaCakes...6c.exe

windows7-x64

10

JaffaCakes...6c.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_62add46e9fc448b03c1152523bd1f56c

  • Size

    636KB

  • Sample

    250102-e6dpsswlfj

  • MD5

    62add46e9fc448b03c1152523bd1f56c

  • SHA1

    20a21dea9b826bbbfeb7a0a91838fdcf18a6aad2

  • SHA256

    e01ca15838f3ef252231bb283a8fd7e2abc417c43705293ef862d544998ef580

  • SHA512

    f4bff38c1ccf9e6b3bb56df06849db02deb7c1474fe1ad14384625befbf24bf284252221eb04cdcbaf24556a8823a8e9cebfc02ae6ecf0dab4d523d44bb96a12

  • SSDEEP

    12288:zpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:VwAcu99lPzvxP+Bsz2XjWTRMQckkIXnO

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_62add46e9fc448b03c1152523bd1f56c

    • Size

      636KB

    • MD5

      62add46e9fc448b03c1152523bd1f56c

    • SHA1

      20a21dea9b826bbbfeb7a0a91838fdcf18a6aad2

    • SHA256

      e01ca15838f3ef252231bb283a8fd7e2abc417c43705293ef862d544998ef580

    • SHA512

      f4bff38c1ccf9e6b3bb56df06849db02deb7c1474fe1ad14384625befbf24bf284252221eb04cdcbaf24556a8823a8e9cebfc02ae6ecf0dab4d523d44bb96a12

    • SSDEEP

      12288:zpwABK90BOe/x9lPAYvxPQVjdsAY2XjWlnlpTMMXG91uhKIXn/W:VwAcu99lPzvxP+Bsz2XjWTRMQckkIXnO

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • 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

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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

    • Windows security modification

      evasiontrojan

    • 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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

4
T1012

Remote System Discovery

1
T1018

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks