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Overview

overview

10

Static

static

3

2024-11-11...uk.exe

windows7-x64

1

2024-11-11...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/11/2024, 16:31

Sharing

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General

  • Target

    2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe

  • Size

    3.6MB

  • MD5

    8c82122d164f7f1529a012963ba3b74b

  • SHA1

    6f6a0115e06857d44b18b5bc8a3677b00400239e

  • SHA256

    365c6bf29ff892f1999570a5c37c7aaa82189f25414e3a3aafa9a806c224194e

  • SHA512

    212305931cdb9b24f73b90469c7f7ba9ba3eb830c6813a718affb5d1bd5e8ee7ed358de66f4bea4e7c2348ef9e82a8ec4fa9f5bd8e1f93fecfeb3b86d8f27f3d

  • SSDEEP

    24576:wiSVYduVRYxf0fXR/Shty9K3kBqLiP7qe6prKlP4NmMdMhcfYpiSARuMxRHFW79k:0QusxfsohthU4UzLesswFxnE1p

Score
10/10
meduzacollectiondiscoveryspywarestealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    458

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • 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\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-11_8c82122d164f7f1529a012963ba3b74b_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:1516
      • 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\2024-11-11_8c82122d164f7f1529a012963ba3b74b_ryuk.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2232
        • 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:4616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1516-0-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1516-1-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1516-2-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1516-3-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1516-12-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/1516-13-0x0000000140000000-0x000000014013E000-memory.dmp

    Filesize

    1.2MB

    Download