Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 21:29

General

  • Target

    jhnykawfkth.exe

  • Size

    2.0MB

  • MD5

    d3435ebfc26894fe8b895267ca8712b4

  • SHA1

    60bcea02905c09e691043d05837e4942b8c4ae25

  • SHA256

    9bb3c3efac7be81d22c386057fe49041d7e7ef3da1974ecb987cc83eae8da103

  • SHA512

    8e884c0dcb76ca08c9674fb430b89e1bb9a3f999ac2c0078d2cefedfe72283d3249c5b9851064449294f8e39096f95c760d4c991238ed6338bb9409394872849

  • SSDEEP

    49152:kqKuOKE3tn7J8ZsN0zZQQI0qnX9eztpls0uNYe:k3nX4lnuT

Malware Config

Extracted

Family

meduza

C2

62.60.217.159

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    xss

  • extensions

    .txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite

  • grabber_max_size

    1.048576e+06

  • 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.

  • 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.

  • 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 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jhnykawfkth.exe
    "C:\Users\Admin\AppData\Local\Temp\jhnykawfkth.exe"
    1⤵
    • 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:2708
    • 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\jhnykawfkth.exe"
      2⤵
      • Deletes itself
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\system32\PING.EXE
        ping 1.1.1.1 -n 1 -w 3000
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2708-2-0x000000013F674000-0x000000013F675000-memory.dmp

    Filesize

    4KB

  • memory/2708-4-0x000000013F5D0000-0x000000013F7CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2708-28-0x000000013F5D0000-0x000000013F7CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2708-30-0x000000013F5D0000-0x000000013F7CA000-memory.dmp

    Filesize

    2.0MB

  • memory/2708-31-0x000000013F674000-0x000000013F675000-memory.dmp

    Filesize

    4KB

  • memory/2708-32-0x000000013F5D0000-0x000000013F7CA000-memory.dmp

    Filesize

    2.0MB