Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2024 17:12

General

  • Target

    file.exe

  • Size

    4.1MB

  • MD5

    399b2859420738500eb977f816fe61e1

  • SHA1

    3136c6ce4de53ee344f51d99606bdd68b2116767

  • SHA256

    c611fe9b5ae81cc5cce3c7f428d98e082898ee4e76c8566100ac41527e4c9a18

  • SHA512

    1bfa955fc301ee63d3b5bfbcea2e9bd9d9df8ff01ed634e6b6eb01b287cac437d08af9d4e61da21d2fd3ecc3297a8cf1c2f514cb0e178b63be65e366991da086

  • SSDEEP

    49152:Xl4UjB0jUu8Xywd2qeDScrUXVIqWLskA:14UjKgufA

Malware Config

Extracted

Family

meduza

C2

5.252.155.28

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    824

  • 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 9 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.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:2296
      • 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\file.exe"
        3⤵
        • Deletes itself
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2676
        • 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:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2296-2-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-3-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-10-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-12-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-9-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

    Filesize

    4KB

  • memory/2296-13-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-8-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-7-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-6-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-5-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-4-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-27-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/2296-28-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB