Overview

overview

10

Static

static

10

320fcc1bde...9a.exe

windows7-x64

10

320fcc1bde...9a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    320fcc1bded54294bc067897d915e3fe23d66616a5737035f135830e001afa9a

  • Size

    601KB

  • Sample

    221021-yk1rzsdbdj

  • MD5

    6e35d761c7b9ae2824f4167602e0a2c0

  • SHA1

    ecea2fffe2335cb4f74bc7fe1fc6dde982792756

  • SHA256

    320fcc1bded54294bc067897d915e3fe23d66616a5737035f135830e001afa9a

  • SHA512

    7b63dabb9e89c330fac18c049bf4f963897e962c6877857203def081b9c6b3fe4c13d4d443aab48b17440b534d08b86c3d0107ca34795fdd031643d7a8929fe6

  • SSDEEP

    12288:OcW7KEZlPzCy37+rnGxPRJPHFfv2tBmcOHnMvzU:iKiRzC0+rwVlHsBmcf

Score
10/10
darkcomethfpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

hostme1234.no-ip.biz:1604

Mutex

DC_MUTEX-PZZQ6XS

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    x1Lqu64fG247

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      320fcc1bded54294bc067897d915e3fe23d66616a5737035f135830e001afa9a

    • Size

      601KB

    • MD5

      6e35d761c7b9ae2824f4167602e0a2c0

    • SHA1

      ecea2fffe2335cb4f74bc7fe1fc6dde982792756

    • SHA256

      320fcc1bded54294bc067897d915e3fe23d66616a5737035f135830e001afa9a

    • SHA512

      7b63dabb9e89c330fac18c049bf4f963897e962c6877857203def081b9c6b3fe4c13d4d443aab48b17440b534d08b86c3d0107ca34795fdd031643d7a8929fe6

    • SSDEEP

      12288:OcW7KEZlPzCy37+rnGxPRJPHFfv2tBmcOHnMvzU:iKiRzC0+rwVlHsBmcf

    Score
    10/10
    darkcomethfpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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

    • 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

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

Tasks