Overview

overview

10

Static

static

10

free among...us.exe

windows7_x64

10

free among...us.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    free amongus no virus.exe

  • Size

    659KB

  • Sample

    220620-t1ahhshad7

  • MD5

    21cb738e372351de0abf0f5bc532ab2c

  • SHA1

    af006c081c76f91866f377059db52576478aab82

  • SHA256

    9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165

  • SHA512

    308150556c89f262b74130c0548c134bc1e0ad4e29dd04500e297f53b15988fb3f79cda8a0dafeb225a8ceac1bec5ccfd57a88d02d16dbb82e29d5d703e4cde8

Score
10/10
darkcometsazanevasionpersistenceratsuricatatrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

sussysdfffdfff343.duckdns.org:1604

Mutex

DC_MUTEX-TUY24DX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    TPTxFZiBzSR9

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      free amongus no virus.exe

    • Size

      659KB

    • MD5

      21cb738e372351de0abf0f5bc532ab2c

    • SHA1

      af006c081c76f91866f377059db52576478aab82

    • SHA256

      9f95c22d51882e238da73706c58c9903b4f8543b8dbc549c8b01f9d3b4210165

    • SHA512

      308150556c89f262b74130c0548c134bc1e0ad4e29dd04500e297f53b15988fb3f79cda8a0dafeb225a8ceac1bec5ccfd57a88d02d16dbb82e29d5d703e4cde8

    Score
    10/10
    darkcometsazanevasionpersistenceratsuricatatrojan

    • 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

    • suricata: ET MALWARE Backdoor.Win32.DarkComet Screenshot Upload Successful

      suricata: ET MALWARE Backdoor.Win32.DarkComet Screenshot Upload Successful

      suricata

    • 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.

    • Deletes itself

    • 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

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
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