Overview

overview

10

Static

static

3

27b831e936...18.exe

windows7-x64

10

27b831e936...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    27b831e93697d45d978796198b421033_JaffaCakes118

  • Size

    4.7MB

  • Sample

    240706-h83y9azhln

  • MD5

    27b831e93697d45d978796198b421033

  • SHA1

    cb3961eb2d6fd879ca280bd6248fc1b6e30fb536

  • SHA256

    358b06f3e46f54c4c87d6fa5fad3876a6e42c3f2b875fa5cc58f0fa1af8ff84a

  • SHA512

    0effacb9007560c3aab177fde1df676de44166d1b32d0171488168b3ab4a947312a6bd303e986ec78f6ef77381f32f98a4394fb458715492f61463a309dc5cc0

  • SSDEEP

    98304:1WzsZrHdHqPHTgHkfScpF8KgAPMk5UxxXro27brqd1nhEjdtewTE4fiW++JPftfG:gzsZrYMEfScdgd3rLr+xhEjdNQWbje

Score
10/10
darkcomettestevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

test

C2

inphinity.no-ip.biz:1604

Mutex

DC_MUTEX-RFPD0T7

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    GYTfmVStuDrY

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      27b831e93697d45d978796198b421033_JaffaCakes118

    • Size

      4.7MB

    • MD5

      27b831e93697d45d978796198b421033

    • SHA1

      cb3961eb2d6fd879ca280bd6248fc1b6e30fb536

    • SHA256

      358b06f3e46f54c4c87d6fa5fad3876a6e42c3f2b875fa5cc58f0fa1af8ff84a

    • SHA512

      0effacb9007560c3aab177fde1df676de44166d1b32d0171488168b3ab4a947312a6bd303e986ec78f6ef77381f32f98a4394fb458715492f61463a309dc5cc0

    • SSDEEP

      98304:1WzsZrHdHqPHTgHkfScpF8KgAPMk5UxxXro27brqd1nhEjdtewTE4fiW++JPftfG:gzsZrYMEfScdgd3rLr+xhEjdNQWbje

    Score
    10/10
    darkcomettestevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    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

3
T1112

Impair Defenses

1
T1562

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