Overview

overview

10

Static

static

ad070f84f0...8e.exe

windows7-x64

10

ad070f84f0...8e.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    ad070f84f0be3f151a00a368b36795ed8a59d4daef83ebd0a32ffce7a6b3f78e

  • Size

    482KB

  • Sample

    221202-1vyrgscc8v

  • MD5

    33d82a7ba4545a1c220fe5eaca758c9c

  • SHA1

    1ef9db72bf84b1c5d2a4ea19ae94f15706275927

  • SHA256

    ad070f84f0be3f151a00a368b36795ed8a59d4daef83ebd0a32ffce7a6b3f78e

  • SHA512

    c3171b8ec6a0507e58b31300a8f5df5643a4dfa49b0f46ae22eda475d76f82a22ba9b0b477ac1976126571dd845606450e53fc10e5a3a8f500a23eb3ef2240e9

  • SSDEEP

    12288:biO58NPU8EOwIk7/1Cy0b9GbGv6J6rB725WqOv7//Kr:T1nOwP/9qGbGv6Je7287G

Score
10/10
darkcomet1evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

dnlserver392.servemp3.com:88

dnlserver392.servemp3.com:1609

dnlserver392.servemp3.com:1039

dnlserver392.servemp3.com:27892

dnlserver392.servemp3.com:39892
Mutex

CLE982335NAZ4MN

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    fMQfllcSj5tf

  • install

    true

  • offline_keylogger

    true

  • password

    ib2HAc2i832kg

  • persistence

    true

  • reg_key

    AdobeFlash

Targets

    • Target

      ad070f84f0be3f151a00a368b36795ed8a59d4daef83ebd0a32ffce7a6b3f78e

    • Size

      482KB

    • MD5

      33d82a7ba4545a1c220fe5eaca758c9c

    • SHA1

      1ef9db72bf84b1c5d2a4ea19ae94f15706275927

    • SHA256

      ad070f84f0be3f151a00a368b36795ed8a59d4daef83ebd0a32ffce7a6b3f78e

    • SHA512

      c3171b8ec6a0507e58b31300a8f5df5643a4dfa49b0f46ae22eda475d76f82a22ba9b0b477ac1976126571dd845606450e53fc10e5a3a8f500a23eb3ef2240e9

    • SSDEEP

      12288:biO58NPU8EOwIk7/1Cy0b9GbGv6J6rB725WqOv7//Kr:T1nOwP/9qGbGv6Je7287G

    Score
    10/10
    darkcomet1evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Executes dropped EXE

    • 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.

    • 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 v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks