Overview

overview

10

Static

static

3

8cfc5e8036...18.exe

windows7-x64

10

8cfc5e8036...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118

  • Size

    1.3MB

  • Sample

    241103-xkc59azrbz

  • MD5

    8cfc5e80361a0524a480e3c58092cc7f

  • SHA1

    10119dd6626576c071b3f80460c8f00df6de0f81

  • SHA256

    99356d20505fff841ef2e0f306702d5115cbab21e428c63ae9b984ae481d98e0

  • SHA512

    6a4645e5f3c1375a8dbedfaf8a69ef43de4aa4dc79855e5bef1f0c3f2135a766ad989dc97b730ac7a3a359fb83da32a219a72744ecef9eb482f264fc46e83267

  • SSDEEP

    24576:50wQON2K3yWds0JkKyVIMB1qnQ3v0lqRlclkPVKpL0G2fB68M6iwDmKi1:ilbadsL2MzqQcqRKk9KpL0G2fB68M9wg

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      8cfc5e80361a0524a480e3c58092cc7f_JaffaCakes118

    • Size

      1.3MB

    • MD5

      8cfc5e80361a0524a480e3c58092cc7f

    • SHA1

      10119dd6626576c071b3f80460c8f00df6de0f81

    • SHA256

      99356d20505fff841ef2e0f306702d5115cbab21e428c63ae9b984ae481d98e0

    • SHA512

      6a4645e5f3c1375a8dbedfaf8a69ef43de4aa4dc79855e5bef1f0c3f2135a766ad989dc97b730ac7a3a359fb83da32a219a72744ecef9eb482f264fc46e83267

    • SSDEEP

      24576:50wQON2K3yWds0JkKyVIMB1qnQ3v0lqRlclkPVKpL0G2fB68M6iwDmKi1:ilbadsL2MzqQcqRKk9KpL0G2fB68M9wg

    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

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • 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 NtSetInformationThreadHideFromDebugger

    • 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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks