Overview

overview

10

Static

static

3

6514941d25...18.exe

windows7-x64

10

6514941d25...18.exe

windows10-2004-x64

7

Sharing

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General

  • Target
    6514941d256a48e46e81a83923b006a7_JaffaCakes118
  • Size 1.2MB
  • Sample240722-2kzfpsshkj
  • SHA256 18ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometallevasionpersistencerattrojan

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • all

C2

  • 127.0.0.1:1604

  • gogo.no-ip.biz:1604

Mutex

  • DC_MUTEX-YR63DF3

Attributes
  • InstallPath

    MSDCSC\mscos.exe

  • gencode

    ahcGXcs4bPs8

  • install

    true

  • offline_keylogger

    true

  • password

    46637

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target
      6514941d256a48e46e81a83923b006a7_JaffaCakes118
    • Size 1.2MB
    • SHA256 18ce12cddd466ba96a7ba44b34cae65fa5ec5c299eee2f6610b52d067b644b01
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometallevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    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

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

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

5
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks