Overview

overview

10

Static

static

10

844fdc3072...41.exe

windows7_x64

10

844fdc3072...41.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    14-09-2021 07:06

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General

  • Target

    844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41.exe

  • Size

    846KB

  • MD5

    54980a2c2e132311d59f1a40dda738d6

  • SHA1

    df9d197eb624843946f49c43bb9d2f91177db165

  • SHA256

    844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41

  • SHA512

    e1b6a08c06e07fb59e3964d07d15873b71fa8178b8826bb2a2f428715325c03af47454a516b1d411be64cee3c2a902987cfc9c9f517018d27f0ed6b97fed7d60

Score
10/10
darkcometsazanpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

remcoskullan�m.duckdns.org:80

Mutex

DC_MUTEX-3S6A2GM

Attributes
  • InstallPath

    MSDCSC\minecraft son s�r�m reach.exe

  • gencode

    Qt7RzAMuvyL0

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41.exe
    "C:\Users\Admin\AppData\Local\Temp\844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\minecraft son sürüm reach.exe
      "C:\Users\Admin\AppData\Local\Temp\MSDCSC\minecraft son sürüm reach.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\minecraft son sürüm reach.exe
    MD5

    54980a2c2e132311d59f1a40dda738d6

    SHA1

    df9d197eb624843946f49c43bb9d2f91177db165

    SHA256

    844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41

    SHA512

    e1b6a08c06e07fb59e3964d07d15873b71fa8178b8826bb2a2f428715325c03af47454a516b1d411be64cee3c2a902987cfc9c9f517018d27f0ed6b97fed7d60

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\minecraft son sürüm reach.exe
    MD5

    54980a2c2e132311d59f1a40dda738d6

    SHA1

    df9d197eb624843946f49c43bb9d2f91177db165

    SHA256

    844fdc307207e49c308561468f99e2255b4c2759370e1c3b13919db926630d41

    SHA512

    e1b6a08c06e07fb59e3964d07d15873b71fa8178b8826bb2a2f428715325c03af47454a516b1d411be64cee3c2a902987cfc9c9f517018d27f0ed6b97fed7d60

    Download Submit
  • memory/4716-115-0x00000000023A0000-0x00000000023A1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/4780-116-0x0000000000000000-mapping.dmp
    Download
  • memory/4780-119-0x0000000002110000-0x0000000002111000-memory.dmp
    Filesize

    4KB

    Download