Overview

overview

10

Static

static

3

2024-06-22...uk.exe

windows7-x64

10

2024-06-22...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/06/2024, 04:43

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General

  • Target
    2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk.exe
  • Size 5.0MB
  • Sample240622-fca79aydld
  • SHA256 c97a7ebf7e3e033f3267b86da76b35d86172b594911359b6439c59d6924a32ae
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
metasploitbackdoortrojan

Malware Config

Extracted

Family

  • metasploit

Version

  • metasploit_stager

C2

  • 192.168.100.107:443

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    trojanbackdoormetasploit
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-06-22_3b61ce6dba3b4c43a31c3fe4b200ce47_ryuk.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2420
      • C:\Users\Admin\appdata\local\temp\payload.exe
        "C:\Users\Admin\appdata\local\temp\payload.exe"
        3⤵
        • Executes dropped EXE
        PID:4904

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        MSVCR90.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI29322\MSVCR90.dll
        • Size 629KB
        • SHA256 9660860d3513934eab21de84462edbaac8e846e4273d07cdd371ed6e471ee2b8
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        goku.exe.manifest
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI29322\goku.exe.manifest
        • Size 1KB
        • SHA256 b82da107130276be801b3523cd08b6ff3ad446d7e914aaf087785766aeb0ecf5
        • MD5 SHA1 SHA512
        Submit Download

        python27.dll
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI29322\python27.dll
        • Size 3.3MB
        • SHA256 e8284417058e13ed19e57f063866cc356df3a44b872aa6a54db9651ce462b4e1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _ctypes.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI29~1\_ctypes.pyd
        • Size 119KB
        • SHA256 a93e3bfe62afa5062c6257a7f347d715af346ac3aec7999b8d86a9f2580ec176
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        _hashlib.pyd
        • Path C:\Users\Admin\AppData\Local\Temp\_MEI29~1\_hashlib.pyd
        • Size 1.6MB
        • SHA256 cda9a6478417629cb40809aad57bd5a884f183333506d00008d16e47368fd633
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        payload.exe
        • Path C:\Users\Admin\AppData\Local\Temp\payload.exe
        • Size 7KB
        • SHA256 b1264f1708aec470de0be552ee43164cf6d2caad4bc7c634c8d11111d6e4d865
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/4904-42-0x0000000140000000-0x0000000140004278-memory.dmp
        Download