Overview

overview

10

Static

static

3

e8188f5de0...18.exe

windows7-x64

10

e8188f5de0...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e8188f5de0f1e14162d22789c7ffddee_JaffaCakes118

  • Size

    711KB

  • Sample

    241212-y2al5ayjfq

  • MD5

    e8188f5de0f1e14162d22789c7ffddee

  • SHA1

    7d818e2ca53aa2703dea0b73b68573a6d936927a

  • SHA256

    7a5e59c86a8e8d7a86e14fc86a813df5226ad960b982a4dca6a9392c173e7e5d

  • SHA512

    760076d0441e6b508515aa38db5eaacc052cf46027cb14ac6e83318a21b1bbc72b3a66d8ecbdda94a400c1b733364f604f1879e528edf49d983b897a147d84b8

  • SSDEEP

    12288:3oClLpPncefwZpn5WSNWGSFQB5jf9yt0edyUQ9LAXQmcXYKvk/tajkl:3o8dcywZpn5WSNWGS23G8/8QJXYKvKZl

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      e8188f5de0f1e14162d22789c7ffddee_JaffaCakes118

    • Size

      711KB

    • MD5

      e8188f5de0f1e14162d22789c7ffddee

    • SHA1

      7d818e2ca53aa2703dea0b73b68573a6d936927a

    • SHA256

      7a5e59c86a8e8d7a86e14fc86a813df5226ad960b982a4dca6a9392c173e7e5d

    • SHA512

      760076d0441e6b508515aa38db5eaacc052cf46027cb14ac6e83318a21b1bbc72b3a66d8ecbdda94a400c1b733364f604f1879e528edf49d983b897a147d84b8

    • SSDEEP

      12288:3oClLpPncefwZpn5WSNWGSFQB5jf9yt0edyUQ9LAXQmcXYKvk/tajkl:3o8dcywZpn5WSNWGS23G8/8QJXYKvKZl

    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

    • Windows security bypass

      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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • 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

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

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
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