Overview

overview

10

Static

static

3

JaffaCakes...c8.exe

windows7-x64

10

JaffaCakes...c8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8

  • Size

    1.8MB

  • Sample

    250122-zwqa3awpbp

  • MD5

    11151b90950c8f395b37bb0e4f5090c8

  • SHA1

    60c3df5aa401797f2a00baa430ec18fb59576c96

  • SHA256

    0bf70ab5b17a92c53e240220bc3fa94c6eb458e58945162fee94e9dff5743f72

  • SHA512

    d33fed3321946c100f51f77ec3efeb72db9845cf74bcfb0c992d7562213ad90ed1b4060b7801cd5bec3a8b6587cec7e5f5b50304001121629cbe20eb389addf3

  • SSDEEP

    24576:Wk/aBSBEJMG7JwgD2NiG5n3vOLBrBm6F0ak/aBSBEJMG7JwgD2NiG5n3vOLBrBmf:hA/aLA/a

Score
10/10
darkcometdefense_evasiondiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_11151b90950c8f395b37bb0e4f5090c8

    • Size

      1.8MB

    • MD5

      11151b90950c8f395b37bb0e4f5090c8

    • SHA1

      60c3df5aa401797f2a00baa430ec18fb59576c96

    • SHA256

      0bf70ab5b17a92c53e240220bc3fa94c6eb458e58945162fee94e9dff5743f72

    • SHA512

      d33fed3321946c100f51f77ec3efeb72db9845cf74bcfb0c992d7562213ad90ed1b4060b7801cd5bec3a8b6587cec7e5f5b50304001121629cbe20eb389addf3

    • SSDEEP

      24576:Wk/aBSBEJMG7JwgD2NiG5n3vOLBrBm6F0ak/aBSBEJMG7JwgD2NiG5n3vOLBrBmf:hA/aLA/a

    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

    • Disables Task Manager via registry modification

      defense_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

    • Windows security modification

      defense_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

7
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