Overview

overview

10

Static

static

7

29769fb8ce...18.exe

windows7-x64

10

29769fb8ce...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    29769fb8ce633cf490abd3f788c93a8b_JaffaCakes118

  • Size

    386KB

  • Sample

    240706-2mgzfaxekf

  • MD5

    29769fb8ce633cf490abd3f788c93a8b

  • SHA1

    91b9d4a974c77326d34b31d6a73521c5d860445d

  • SHA256

    54494eb82d869f9540fd6ed27d40aecd7d978a3e8f70b0888a1f5bb76bc4b1d7

  • SHA512

    fc34ef1d57dbd73bf858458c304d7f9925a736e9183be51c1de543b3e6dc5ba12efea4d42e3b268cb7921a66ecf60ee4fa988178fac62208a8485cdafe4ed2c7

  • SSDEEP

    12288:u0dlQfgMfzqszGL8dFPgTcCdK48aqRCWAvw:JnkgIyLAgTcCt81wf

Score
10/10
darkcometguest16aspackv2evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

microsoft-helper.servehttp.com:1918

Mutex

DC_MUTEX-KUDHJFE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    s3bAr0avzdCL

  • install

    true

  • offline_keylogger

    true

  • password

    SamI

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      29769fb8ce633cf490abd3f788c93a8b_JaffaCakes118

    • Size

      386KB

    • MD5

      29769fb8ce633cf490abd3f788c93a8b

    • SHA1

      91b9d4a974c77326d34b31d6a73521c5d860445d

    • SHA256

      54494eb82d869f9540fd6ed27d40aecd7d978a3e8f70b0888a1f5bb76bc4b1d7

    • SHA512

      fc34ef1d57dbd73bf858458c304d7f9925a736e9183be51c1de543b3e6dc5ba12efea4d42e3b268cb7921a66ecf60ee4fa988178fac62208a8485cdafe4ed2c7

    • SSDEEP

      12288:u0dlQfgMfzqszGL8dFPgTcCdK48aqRCWAvw:JnkgIyLAgTcCt81wf

    Score
    10/10
    darkcometguest16aspackv2evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Windows security bypass

      evasiontrojan

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • 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 Matrix ATT&CK v13

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

Modify Registry

5
T1112

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks