Overview

overview

10

Static

static

3

82dca3c497...ca.exe

windows7-x64

7

82dca3c497...ca.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    82dca3c497740155201cc439e429daca

  • Size

    1.6MB

  • Sample

    240130-3jrvxafch9

  • MD5

    82dca3c497740155201cc439e429daca

  • SHA1

    1140867caf5154b1643fc820a134254d6f7714b2

  • SHA256

    da7997129263f41228f9bb5871d5cd89729bfe28e4bde1e3252fd3d5bed8523c

  • SHA512

    321c19525f1a2b04d2f74537a632c336ad440cbe19ab915b8b3602357b2352e4a91e88d451f0b90c26ce21aaad72fb09a79d400afa7e937c56397f115164b7de

  • SSDEEP

    24576:BKOM/uMQP600sErXzeeEqe9BXbSd90D0LcrBQgDON4PO/zFd2AynlN:C/uMQ90brjeeTAX6/gyN4W/zFd2

Score
10/10
darkcometsazanevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

laz22.duckdns.org:2222

Mutex

DC_MUTEX-4UDC91U

Attributes
  • InstallPath

    DiscordCrash\DiscordCrash.exe

  • gencode

    lPgqdPijmdCo

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    DiscordCrash

Targets

    • Target

      82dca3c497740155201cc439e429daca

    • Size

      1.6MB

    • MD5

      82dca3c497740155201cc439e429daca

    • SHA1

      1140867caf5154b1643fc820a134254d6f7714b2

    • SHA256

      da7997129263f41228f9bb5871d5cd89729bfe28e4bde1e3252fd3d5bed8523c

    • SHA512

      321c19525f1a2b04d2f74537a632c336ad440cbe19ab915b8b3602357b2352e4a91e88d451f0b90c26ce21aaad72fb09a79d400afa7e937c56397f115164b7de

    • SSDEEP

      24576:BKOM/uMQP600sErXzeeEqe9BXbSd90D0LcrBQgDON4PO/zFd2AynlN:C/uMQ90brjeeTAX6/gyN4W/zFd2

    Score
    10/10
    darkcometsazanevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks