Analysis

  • max time kernel
    141s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2024, 04:27

General

  • Target

    loader_cheat.exe

  • Size

    408KB

  • MD5

    e2df2edc888e3c84bf1bd728c6e42100

  • SHA1

    9568c9f3ba712bf403ac7aa7af90241d79d6ea46

  • SHA256

    1d47db6e436daec107ca6166a1e61cbec6d12121fb5fa0664191d37e79256e4c

  • SHA512

    70070da3988e3ebd40de675f384d93f5fe1e6aa2944e5843736505b708a1b55167dfcc2540965bbe0636125049c791d4d39fe3b60db1bd41e93dd3f0712ec354

  • SSDEEP

    6144:KcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37zAtyhb8yBUs9P0wkDLDv:KcW7KEZlPzCy37zAtyhb9BRCwCvv

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

tadaronneeng.ddns.net:5353

Mutex

DC_MUTEX-2C4PPGM

Attributes
  • gencode

    6EN5BFnr5B4P

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader_cheat.exe
    "C:\Users\Admin\AppData\Local\Temp\loader_cheat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\LOADER_BUILD.EXE
      "C:\Users\Admin\AppData\Local\Temp\LOADER_BUILD.EXE"
      2⤵
      • Executes dropped EXE
      PID:2164
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3248

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\LOADER_BUILD.EXE

          Filesize

          139KB

          MD5

          974463c392b19373ffdddd7394a1c120

          SHA1

          af1d97fdaa881b92c2bdf8915562f139943da45b

          SHA256

          c35b92c5c836152290d90ad1cea75b18cb24e3271886473c976812384369eb5e

          SHA512

          9b39edd75c8ccfcce109d4a84ca58e92ac47a49eb8663dcfd3b60ca4b616f8092af6c86bb933a4a41d75029a4783d6ed71966b0b25ca4a152afc654e357e15c9

        • memory/3248-29-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-31-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-28-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-30-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-27-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-22-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-20-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-21-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-26-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3248-32-0x0000024D57E90000-0x0000024D57E91000-memory.dmp

          Filesize

          4KB

        • memory/3268-18-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-1-0x0000000002550000-0x0000000002551000-memory.dmp

          Filesize

          4KB

        • memory/3268-16-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-15-0x0000000002550000-0x0000000002551000-memory.dmp

          Filesize

          4KB

        • memory/3268-0-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-13-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-33-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-35-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-37-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB

        • memory/3268-39-0x0000000000400000-0x000000000050B000-memory.dmp

          Filesize

          1.0MB