Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-11-2024 23:46

General

  • Target

    b7810d0c1c94831ffef11223725bc9d1.exe

  • Size

    4.1MB

  • MD5

    b7810d0c1c94831ffef11223725bc9d1

  • SHA1

    61d4d6685d39845413fa485d0e2b10f2f76a1498

  • SHA256

    48a5eb3b0d4d5b8c3b8ae32b638ee0b0b5fb1ce45bb4c30463d697720a136974

  • SHA512

    198ec366a15fcafd26dc56fb8deebef50a5cea76d92517c7bb37cd8c2e6add17dd2f8fa66ced258b317790f46bccf53e8ee56ee671df6d804987964d09036c96

  • SSDEEP

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

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 9 IoCs
  • Meduza family
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
    "C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
      C:\Users\Admin\AppData\Local\Temp\b7810d0c1c94831ffef11223725bc9d1.exe
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2384

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2384-2-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-7-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-12-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-10-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-9-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

    Filesize

    4KB

  • memory/2384-8-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-6-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-5-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-3-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-4-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-13-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-27-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2384-28-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB