Overview

overview

10

Static

static

3

11cb4eb104...18.exe

windows7-x64

10

11cb4eb104...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    11cb4eb10453d144006a6f84d2a3048b_JaffaCakes118

  • Size

    1.3MB

  • Sample

    240626-m88a7asala

  • MD5

    11cb4eb10453d144006a6f84d2a3048b

  • SHA1

    7967a0d2b34c4b86be783b8ce3b4c51691fafba3

  • SHA256

    d901e7642ce6df81c42f02571068de58a2955e5c299be950c0746f868a9399ec

  • SHA512

    03c33268b60eb9bf6b96acfafd64ef5ef5cca2e99ab05c31d93779afcb5ba9c88ce7b952f6a06f8127216b29ba275ec954fb126087ca63723a93f0abd0dc1572

  • SSDEEP

    24576:BbCrhfsSO6omIC13GWK5m0c4RWj0KmSFe6In4uBCqGCLSrWbk:Bb0hkS2bCFSwgRWj0s2oqpZk

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      11cb4eb10453d144006a6f84d2a3048b_JaffaCakes118

    • Size

      1.3MB

    • MD5

      11cb4eb10453d144006a6f84d2a3048b

    • SHA1

      7967a0d2b34c4b86be783b8ce3b4c51691fafba3

    • SHA256

      d901e7642ce6df81c42f02571068de58a2955e5c299be950c0746f868a9399ec

    • SHA512

      03c33268b60eb9bf6b96acfafd64ef5ef5cca2e99ab05c31d93779afcb5ba9c88ce7b952f6a06f8127216b29ba275ec954fb126087ca63723a93f0abd0dc1572

    • SSDEEP

      24576:BbCrhfsSO6omIC13GWK5m0c4RWj0KmSFe6In4uBCqGCLSrWbk:Bb0hkS2bCFSwgRWj0s2oqpZk

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      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

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    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

3
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks