Overview

overview

10

Static

static

3

2025-02-07...uk.exe

windows7-x64

10

2025-02-07...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    139s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 06:51

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General

  • Target

    2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe

  • Size

    3.1MB

  • MD5

    903480247362183eb1a113885e351981

  • SHA1

    71119623dc686007802b2da3c7073b63f26012cc

  • SHA256

    b5ae0e5a220536b0f9338a061ebd95de48956d2131af0f61d4680269524dd6ff

  • SHA512

    325d9d2ab3a8298b68c21dba4ff9e5a6fda2075fd7c8815d9736b692aa374b2a6ab7e10fe27b6067306e944c7321683bebb8dd96ea519d3bbd92705e8d919089

  • SSDEEP

    24576:Tii136ZtF+6dI4n5Nswa1XGNK4AzinID9jq5BuFrGyfPi9dhyNPZVi/2FLnyZ5Tg:/qrm9zXiw6vo+syX36R

Score
10/10
meduzacollectiondiscoveryspywarestealer

Malware Config

Extracted

Family

meduza

C2

147.45.44.216

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    958

  • 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 6 IoCs
  • Meduza family
    meduza
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4732
    • C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_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:3388
      • 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\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4252
        • 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:3524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3388-2-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/3388-3-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/3388-1-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/3388-0-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/3388-12-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/3388-13-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

    Download