Overview

overview

10

Static

static

3

2025-01-05...uk.exe

windows7-x64

10

2025-01-05...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 15:41

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General

  • Target

    2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe

  • Size

    3.1MB

  • MD5

    52dcf0012115d64a8fa966e1e4add483

  • SHA1

    74492e90481ac88abf0e6c0bef6ec0d3e416402e

  • SHA256

    5e517727aa73b8067f0e049463b92054a07b93d6ae0cf6e3778a4ca9cab1b00c

  • SHA512

    8e54eee738428e849d53f9f9f47c478252b6c931e92849bc3e715a2ab616378203cf5c80b5c9dad259bf01f857dfd84dc95512b06b6d049fdc291c9f6773d149

  • SSDEEP

    24576:qiiSPHILlu9hrwMGoq9Jrg5Mx+eviCV4trGol0Qxqu4/5odqYjGNPmwK9brMx/:UGHIMwMKZWVHH0TsYyRg

Score
10/10
meduzacollectiondiscoveryspywarestealer

Malware Config

Extracted

Family

meduza

C2

147.45.44.216

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    612

  • grabber_max_size

    1.048576e+06

  • port

    15666

  • self_destruct

    true

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

    stealermeduza
  • Meduza Stealer payload 9 IoCs
  • Meduza family
    meduza
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
    collection
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1736
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\2025-01-05_52dcf0012115d64a8fa966e1e4add483_cobalt-strike_ryuk.exe"
        3⤵
        • Deletes itself
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Windows\system32\PING.EXE
          ping 1.1.1.1 -n 1 -w 3000
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1736-0-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-1-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-2-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-8-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-10-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-11-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-7-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1736-6-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-5-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-4-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-3-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-25-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1736-26-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download