Overview

overview

10

Static

static

3

JaffaCakes...e0.exe

windows7-x64

10

JaffaCakes...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_ac7cc4ea0a1b744d77b4ad9dc50e2ce0

  • Size

    1.1MB

  • Sample

    250206-sekkxsyja1

  • MD5

    ac7cc4ea0a1b744d77b4ad9dc50e2ce0

  • SHA1

    a071ba499560b57e6c120f3bea8d26ea495a619c

  • SHA256

    553d286628324a3f5f848670db557bbd0c373f005ee4e4603933955d94ca655d

  • SHA512

    9cb27f0778d61484bec18c195503f1ac372cd72b932101fe5e64db66e0b92cba05e3c46fea706169832f98bd43a4af200852ae7d7c901ce0e5c6eddaf70ba48c

  • SSDEEP

    12288:MJSy5AojXI+BLsNeGyIROGyA73t6W/NB7S1dv6DYc5WjHPi4FIBxM6wtMIhvlCic:KJZE2LsNis8GW+tXwZx8qZd0wd

Score
10/10
darkcometdefense_evasiondiscoverypersistencerattrojan

Malware Config

Targets

    • Target

      JaffaCakes118_ac7cc4ea0a1b744d77b4ad9dc50e2ce0

    • Size

      1.1MB

    • MD5

      ac7cc4ea0a1b744d77b4ad9dc50e2ce0

    • SHA1

      a071ba499560b57e6c120f3bea8d26ea495a619c

    • SHA256

      553d286628324a3f5f848670db557bbd0c373f005ee4e4603933955d94ca655d

    • SHA512

      9cb27f0778d61484bec18c195503f1ac372cd72b932101fe5e64db66e0b92cba05e3c46fea706169832f98bd43a4af200852ae7d7c901ce0e5c6eddaf70ba48c

    • SSDEEP

      12288:MJSy5AojXI+BLsNeGyIROGyA73t6W/NB7S1dv6DYc5WjHPi4FIBxM6wtMIhvlCic:KJZE2LsNis8GW+tXwZx8qZd0wd

    Score
    10/10
    darkcometdefense_evasiondiscoverypersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_evasiontrojan

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • 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

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks