Overview

overview

10

Static

static

5

jaffacakes...af.exe

windows10-2004-x64

10

jaffacakes...af.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    jaffacakes118_5e521458637e7524675bb3f5039bd54417bdcd9b9ca88ff478fc4595a756c6af.bin
  • Size 945KB
  • Sample260924-hcshmsty3p
  • SHA256 5e521458637e7524675bb3f5039bd54417bdcd9b9ca88ff478fc4595a756c6af
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcometguest16defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • walido.no-ip.biz:1604

Mutex

  • DC_MUTEX-F54S21D

Attributes
  • InstallPath

    Windupdt\JavaRuntime.exe

  • gencode

    h9*q9c8$oXP4

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    JavaRuntime

rc4.plain

Targets

    • Target
      jaffacakes118_5e521458637e7524675bb3f5039bd54417bdcd9b9ca88ff478fc4595a756c6af.bin
    • Size 945KB
    • SHA256 5e521458637e7524675bb3f5039bd54417bdcd9b9ca88ff478fc4595a756c6af
    • 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

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • 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

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks