Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 02:33

General

  • Target

    2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe

  • Size

    4.1MB

  • MD5

    b7810d0c1c94831ffef11223725bc9d1

  • SHA1

    61d4d6685d39845413fa485d0e2b10f2f76a1498

  • SHA256

    48a5eb3b0d4d5b8c3b8ae32b638ee0b0b5fb1ce45bb4c30463d697720a136974

  • SHA512

    198ec366a15fcafd26dc56fb8deebef50a5cea76d92517c7bb37cd8c2e6add17dd2f8fa66ced258b317790f46bccf53e8ee56ee671df6d804987964d09036c96

  • SSDEEP

    24576:8Smpzi3xGi50W+Zdel5ubFeROD+7QDtETt2eUTyFXnYsqWRp1EJ1yl9AbYM88cV/:/xGK0l3e3uhekD+StC2en90mVuy/VZ

Score
10/10

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    mrfree

  • extensions

    .txt

  • grabber_max_size

    4.194304e+06

  • port

    15666

  • self_destruct

    false

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\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-19_b7810d0c1c94831ffef11223725bc9d1_ryuk.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:1180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1180-4-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/1180-6-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/1180-7-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/1180-5-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2528-0-0x00007FF7284D0000-0x00007FF7284D1000-memory.dmp

    Filesize

    4KB