Overview

overview

10

Static

static

6c6a951636...36.exe

windows7_x64

10

6c6a951636...36.exe

windows10_x64

10

Sharing

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General

  • Target

    6c6a951636ae4dee7a842c6af1d43236.exe

  • Size

    1.2MB

  • Sample

    210722-khfc1ds4ex

  • MD5

    6c6a951636ae4dee7a842c6af1d43236

  • SHA1

    387e2f026ca3ec2a291b09fa76f88fe40ae7007c

  • SHA256

    2ebc7cf945c4eba60eb0f25f6b58eb8d7d0558f6b5622530b2b3808987173952

  • SHA512

    3324a70e328be9cdbbe60f47da1254208032b73e6b48cbfea9d070b50378a1ed0f6df32b62c3b16712b78ddcaa0b696ee196f8e9448c3b0f025a9f1d36857311

Score
10/10
darkcometnjratadsawevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

ADSAW

C2

secret92.ddns.net:82

Mutex

DC_MUTEX-TAUBLES

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    4ltiP4nFeytX

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      6c6a951636ae4dee7a842c6af1d43236.exe

    • Size

      1.2MB

    • MD5

      6c6a951636ae4dee7a842c6af1d43236

    • SHA1

      387e2f026ca3ec2a291b09fa76f88fe40ae7007c

    • SHA256

      2ebc7cf945c4eba60eb0f25f6b58eb8d7d0558f6b5622530b2b3808987173952

    • SHA512

      3324a70e328be9cdbbe60f47da1254208032b73e6b48cbfea9d070b50378a1ed0f6df32b62c3b16712b78ddcaa0b696ee196f8e9448c3b0f025a9f1d36857311

    Score
    10/10
    darkcometnjratadsawevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      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.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

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