Analysis

  • max time kernel
    95s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 13:30

General

  • Target

    41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe

  • Size

    2.4MB

  • MD5

    4d91fd816d2bac403f052f864bcd62dc

  • SHA1

    f861a0f192ae3bc05d993dcdafd667df30c43d13

  • SHA256

    41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3

  • SHA512

    31c4ffca08050116bf0237fd42f0b9a800d5a3535eaf6a604b4fac0a0ac0827de727773f5e618e44d8975967d8c499629c04612f2f51d7d43b464d273508bc1f

  • SSDEEP

    49152:ym3c8RgY8M2lBfNGy8Tt5nVzZTM3pyoaz+vXcDLbx4/XlbdZ0/TkBipmTzn:75y8Tt5r0azFLmv0/IBS0z

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
    "C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe
      "C:\Users\Admin\AppData\Local\Temp\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4364
      • 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\41eda52877bd4d19632d6e5860e492b5d8accf923fc40c4604bece5491bda4a3.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:668
        • 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:64

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\a.dll

    Filesize

    1.2MB

    MD5

    8408308cc95713eee855a883ed23cc33

    SHA1

    9d08f4ceb0bc1e3c6b08e17e5df29c07010fe915

    SHA256

    cc8301eb030aa359ac127d29e0688028bab5b0e2f86767267f57f600a122aaff

    SHA512

    f99140d046ad96ce45831d67ff950201df215c86e36435157a826d85984267c2cfc69a94e312e1c6dcb82e97a90e31cdfa2b8903745335d7e837d4b73f01bf74

  • memory/3300-8-0x00007FF8F8820000-0x00007FF8F8957000-memory.dmp

    Filesize

    1.2MB

  • memory/3300-7-0x00007FF77E860000-0x00007FF77EAD6000-memory.dmp

    Filesize

    2.5MB

  • memory/4364-3-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4364-5-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4364-9-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4364-6-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4364-16-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB