Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2024 05:58

General

  • Target

    f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe

  • Size

    1.5MB

  • MD5

    6975238610491b9a6439fe6f7324dd00

  • SHA1

    1ee44039d4979e48ad99ba4fe8a1db424424e712

  • SHA256

    f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74ed

  • SHA512

    8c2f04c589f7a8a7fb5992a3ee1a64a1c5c707ac4a4fc58fa12c172601c8402a677e06392f8122e415bce0b02e5740daee736cd04648fe7e5b974cd4c1def7b2

  • SSDEEP

    24576:x9hSDFEfJ3HW8zlS0ZsI/eznZIXG5iXsMfm5JPD32n8CwpK/E9kWQmvKT4k:x9hMFEfVHW8R/9/mSn8yIGmpk

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    21

  • 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 6 IoCs
  • Meduza family
  • 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.

  • NTFS ADS 1 IoCs
  • 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\f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe
    "C:\Users\Admin\AppData\Local\Temp\f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:4020
    • C:\Users\Admin\AppData\Local\Temp\f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe
      "C:\Users\Admin\AppData\Local\Temp\f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe"
      2⤵
      • Checks computer location settings
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:4676
      • 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\f52913be815804aaa36bb5be8fecefea953ffaadf4e7d3de7bb4d61b0ecb74edN.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:4404
        • 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:4112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.2MB

    MD5

    17ab2d74542f4097dc3da9d916310713

    SHA1

    bd66e2490f1839629af890491b60cf2309be9b50

    SHA256

    04b710c72df2696d1ebaa3e174aaffb84f9a00581ab983d2814c9c950d28b56e

    SHA512

    46189ebf74f41336673a19db2696863b60d97e76cc8e13486d05dfc17bc9229d8a9f68e0f5bcaa3bea3adbe72cc0455ccb1cc04602ec8c29af5d63f67fd93ce0

  • memory/4020-8-0x00007FF78A020000-0x00007FF78A1A1000-memory.dmp

    Filesize

    1.5MB

  • memory/4020-9-0x00007FFB93760000-0x00007FFB93897000-memory.dmp

    Filesize

    1.2MB

  • memory/4676-5-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-7-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-6-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-3-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-18-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB

  • memory/4676-19-0x0000000140000000-0x000000014010F000-memory.dmp

    Filesize

    1.1MB