Overview

overview

10

Static

static

3

jaffacakes...ic.exe

windows10-2004-x64

10

jaffacakes...ic.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118_HEUR.Trojan.Win32.Generic.1bbcf1797e9f9e68728e5c806da7dbf7
  • Size 711KB
  • Sample261013-3k6epadw7n
  • SHA256 852ad16675052e84668684c88c20cf44257f598844d51bb5d3e01c94ab444b5e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • halimaw15.zapto.org:81

Mutex

  • DC_MUTEX-HC4K7JR

Attributes
  • InstallPath

    common\GoogleUpdaterService.exe

  • gencode

    mRN.Zh.NC$mL

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    GoogleUpdaterService.exe

rc4.plain

Targets

    • Target
      jaffacakes118_HEUR.Trojan.Win32.Generic.1bbcf1797e9f9e68728e5c806da7dbf7
    • Size 711KB
    • SHA256 852ad16675052e84668684c88c20cf44257f598844d51bb5d3e01c94ab444b5e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    guest16defense_evasiondiscoverydarkcometpersistencerattrojan

    • Family: Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      defense_evasion

    • Modifies security service

      defense_evasion

    • Windows security bypass

      defense_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

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

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

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks