Overview

overview

10

Static

static

a92da5f4be...68.exe

windows7-x64

10

a92da5f4be...68.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a92da5f4be8e9765ace3961ffc07677f0645589dade7fa271a2dc453f751cb68

  • Size

    1.3MB

  • Sample

    221129-qwfxysga9y

  • MD5

    5818b9c7e1e4f408f28f5a6c6d0a7565

  • SHA1

    b18ddaf0338af454365b5acd9d5d3ac7a6a890e0

  • SHA256

    a92da5f4be8e9765ace3961ffc07677f0645589dade7fa271a2dc453f751cb68

  • SHA512

    9fbc0219849c3735c35972cb323a393341f2691913676bf1d01159579fe28198db310b6738113550874e14b8c43b050d633c63b34c0a4e1f00fbe53ba4beb057

  • SSDEEP

    24576:UJE8PA1dmGeDye5Dt3c2kFOoJU8PaTRFmYvQ49sMZ5D34zvXjycTZPVP6:qtPA8f+e5DpAc6wfmYvXZ5cjZPVP6

Score
10/10
darkcometthenthackerevasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

THENTHACKER

C2

thenthacker.no-ip.org:1604

Mutex

DC_MUTEX-WPNYUQ7

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    92Uc0EZwdkTP

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      a92da5f4be8e9765ace3961ffc07677f0645589dade7fa271a2dc453f751cb68

    • Size

      1.3MB

    • MD5

      5818b9c7e1e4f408f28f5a6c6d0a7565

    • SHA1

      b18ddaf0338af454365b5acd9d5d3ac7a6a890e0

    • SHA256

      a92da5f4be8e9765ace3961ffc07677f0645589dade7fa271a2dc453f751cb68

    • SHA512

      9fbc0219849c3735c35972cb323a393341f2691913676bf1d01159579fe28198db310b6738113550874e14b8c43b050d633c63b34c0a4e1f00fbe53ba4beb057

    • SSDEEP

      24576:UJE8PA1dmGeDye5Dt3c2kFOoJU8PaTRFmYvQ49sMZ5D34zvXjycTZPVP6:qtPA8f+e5DpAc6wfmYvXZ5cjZPVP6

    Score
    10/10
    darkcometthenthackerevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

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