Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 01:30

General

  • Target

    2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe

  • Size

    4.1MB

  • MD5

    e77b17460e9174ca86145bcdf460ad77

  • SHA1

    a7eb88f9198eccc338f0deed8bd7cf3511d5639d

  • SHA256

    ee3398bef56528ab467234c1e1cda885656a3c853d28f0ac4a6a660cf13a246e

  • SHA512

    066926af4dcc1bbeca80bd9ad1ba51708b1348398dbf5cc703104b96a366d8185860c8bec7e077250852819c90d7735d8a0ca69f5e5c8a9a549342e5d5aea5db

  • SSDEEP

    49152:Xl4UjB0jUuXwCMh4Y9SH3nzth5D+pH/BOvdSZARtFvBA:14UjKguFA

Score
10/10

Malware Config

Extracted

Family

meduza

C2

5.252.155.28

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    781

  • 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++.

  • Meduza Stealer payload 4 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3100
    • C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-18_e77b17460e9174ca86145bcdf460ad77_ryuk.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3100-0-0x00007FF739DC0000-0x00007FF739DC1000-memory.dmp

    Filesize

    4KB

  • memory/4916-7-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/4916-6-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/4916-5-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/4916-4-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB