Overview

overview

10

Static

static

3

2024-12-31...uk.exe

windows7-x64

10

2024-12-31...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 10:26

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General

  • Target

    2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_cobalt-strike_ryuk.exe

  • Size

    3.1MB

  • MD5

    b3fad209b07f4d66570c24a40f30d5c7

  • SHA1

    0bd9c9aee1eafebdb435593c393392753b879e0f

  • SHA256

    f8840621ccce4e993283ac91d322c35cacd42619856477e057eac1cb1127bd6b

  • SHA512

    6188bde615cc58ee74ab37146ba4b4db26e33d8a74adbd17efb4b43282ddf014f67cb68ab44f47ae91eeedecad4a1ac5f56141b72e1193c94881997f713eefd1

  • SSDEEP

    24576:qiiadv30/H2HYi9PnBivY2w66eCIuZLBQZh+Bt5THuO1GJYS6O0/shnaoN4DmAOs:UM0f2HpCrwTeYBNqO1GJYSISsMQ

Score
10/10
meduzacollectiondiscoveryspywarestealer

Malware Config

Extracted

Family

meduza

C2

147.45.44.216

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    37

  • 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\2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_cobalt-strike_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Users\Admin\AppData\Local\Temp\2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_cobalt-strike_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_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:3136
      • 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\2024-12-31_b3fad209b07f4d66570c24a40f30d5c7_cobalt-strike_ryuk.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4604
        • 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:3116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3136-2-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3136-1-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3136-3-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3136-0-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3136-12-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download

  • memory/3136-13-0x0000000140000000-0x000000014013F000-memory.dmp

    Filesize

    1.2MB

    Download