Overview

overview

10

Static

static

8

85fdde2e17...bc.exe

windows7-x64

10

85fdde2e17...bc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    85fdde2e17ec0b56ce564a98c6220745c6950f44932abe5dce5cba66605db2bc

  • Size

    261KB

  • Sample

    221123-xkfalsac3v

  • MD5

    4530a82649bd16a3a7baa70faa1caa50

  • SHA1

    f9ce0ceaa7bccf18ef23570e0d550d9b43e9e166

  • SHA256

    85fdde2e17ec0b56ce564a98c6220745c6950f44932abe5dce5cba66605db2bc

  • SHA512

    3721f299f303b8c040a43a020a09fb55ef412b59d597e1bc6b8a3e5bc886afc44859832693c45e6eef5ff0f5d83760f81bb78bb59c5b3c7d656f277b5b63fb30

  • SSDEEP

    6144:Hco4dnaXTsWxDcQHlemO9fRI6oh/h8oGWINlmR9wryQ:8PnaDskYaAmU66yh5GHD09AyQ

Score
10/10
darkcomethackaspackv2evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

hack

C2

bikaalov.noip.me:1604

Mutex

DC_MUTEX-7G2PFJD

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    tKukSM5w3M83

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      85fdde2e17ec0b56ce564a98c6220745c6950f44932abe5dce5cba66605db2bc

    • Size

      261KB

    • MD5

      4530a82649bd16a3a7baa70faa1caa50

    • SHA1

      f9ce0ceaa7bccf18ef23570e0d550d9b43e9e166

    • SHA256

      85fdde2e17ec0b56ce564a98c6220745c6950f44932abe5dce5cba66605db2bc

    • SHA512

      3721f299f303b8c040a43a020a09fb55ef412b59d597e1bc6b8a3e5bc886afc44859832693c45e6eef5ff0f5d83760f81bb78bb59c5b3c7d656f277b5b63fb30

    • SSDEEP

      6144:Hco4dnaXTsWxDcQHlemO9fRI6oh/h8oGWINlmR9wryQ:8PnaDskYaAmU66yh5GHD09AyQ

    Score
    10/10
    darkcomethackaspackv2evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Windows security bypass

      evasiontrojan

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks