Overview

overview

10

Static

static

10

9d0c1d9b11...18.exe

windows7-x64

10

9d0c1d9b11...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9d0c1d9b11e1ce48d82a2ea03a0709f9_JaffaCakes118

  • Size

    762KB

  • Sample

    241125-wksehaypft

  • MD5

    9d0c1d9b11e1ce48d82a2ea03a0709f9

  • SHA1

    69854a50c08f07ffbb384eaa248616bc429c824f

  • SHA256

    a5c70a268a567eddb9d7a95b9760a273800800fecaa60668c707e2557440e327

  • SHA512

    6f5fb454f256053a5ae925b88df46e434e614992be65a064e1fc0b5f107a7400ae54aacb164b72db0344b6775281e19a3fabf214a04587cc8f617e7ad57c0b71

  • SSDEEP

    12288:j9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzbH:tZ1xuVVjfFoynPaVBUR8f+kN10EBVL

Score
10/10
darkcomethfdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

guysf.no-ip.biz:1604

Mutex

DC_MUTEX-CSMN1X9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    QeC7oBWrh8EE

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      9d0c1d9b11e1ce48d82a2ea03a0709f9_JaffaCakes118

    • Size

      762KB

    • MD5

      9d0c1d9b11e1ce48d82a2ea03a0709f9

    • SHA1

      69854a50c08f07ffbb384eaa248616bc429c824f

    • SHA256

      a5c70a268a567eddb9d7a95b9760a273800800fecaa60668c707e2557440e327

    • SHA512

      6f5fb454f256053a5ae925b88df46e434e614992be65a064e1fc0b5f107a7400ae54aacb164b72db0344b6775281e19a3fabf214a04587cc8f617e7ad57c0b71

    • SSDEEP

      12288:j9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hzbH:tZ1xuVVjfFoynPaVBUR8f+kN10EBVL

    Score
    10/10
    darkcomethfdiscoveryevasionpersistencerattrojan

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • 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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

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

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks