Overview

overview

10

Static

static

3

23a2f651f3...18.exe

windows7-x64

10

23a2f651f3...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    23a2f651f393bfcb0232d33c2b2f87a4_JaffaCakes118

  • Size

    731KB

  • Sample

    241008-xcmdysshrk

  • MD5

    23a2f651f393bfcb0232d33c2b2f87a4

  • SHA1

    e3787ca1dceb0910a26525e6828f16112d7f58fa

  • SHA256

    d9dd37d60ebed8ec37f180ff4c026f04f76f84280aaad865da886b21544019f5

  • SHA512

    8c8f25783573da53c61c692159b7645855b623fdba0f82d00c487d6e2f893b4b4ef940661168a452459d10e5bf8889dae552ec069d5b3ce23543466b841972d9

  • SSDEEP

    12288:Ro6QZKN8RMELcXfMOBw+NF+9cIdTAN/9x/rsIMNoUMCOvCCSFFzBm//AAyX71aIt:WbjRmXUOod6V+IMNbOvvSbB4/cZ

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      23a2f651f393bfcb0232d33c2b2f87a4_JaffaCakes118

    • Size

      731KB

    • MD5

      23a2f651f393bfcb0232d33c2b2f87a4

    • SHA1

      e3787ca1dceb0910a26525e6828f16112d7f58fa

    • SHA256

      d9dd37d60ebed8ec37f180ff4c026f04f76f84280aaad865da886b21544019f5

    • SHA512

      8c8f25783573da53c61c692159b7645855b623fdba0f82d00c487d6e2f893b4b4ef940661168a452459d10e5bf8889dae552ec069d5b3ce23543466b841972d9

    • SSDEEP

      12288:Ro6QZKN8RMELcXfMOBw+NF+9cIdTAN/9x/rsIMNoUMCOvCCSFFzBm//AAyX71aIt:WbjRmXUOod6V+IMNbOvvSbB4/cZ

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security 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

    • 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

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