Analysis

  • max time kernel
    133s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 01:35

General

  • Target

    2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe

  • Size

    4.1MB

  • MD5

    45025b7349da69ceba85cc6521d7a2fd

  • SHA1

    1e896b4d53ff72559d0ce6f9a463a187d5ec695c

  • SHA256

    c10d933869809bff8a24afd1f7db64018f165ce512beb5558e07fe1f00ceb548

  • SHA512

    4f6703637ab9230b5c91065fe8b0c1c4a49ee8e64d1bb805734da4efb32f5f66d086c80fe9d8ff00f7b00540b61a926a7480ecba6d17db3c01fd656f0e14f461

  • SSDEEP

    49152:qxGK0l3e3uXFBAkc+HQS5bxWATnVNLtKj3IG5ahcqXpOCmiptTH6Z:qxGK09yuyZ

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    703

  • 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 47 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\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.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:1356
      • 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\2024-11-19_45025b7349da69ceba85cc6521d7a2fd_ryuk.exe"
        3⤵
        • Deletes itself
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2168
        • 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:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1356-4-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-20-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-27-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-26-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-24-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-22-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-21-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-19-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-17-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-16-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-14-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-12-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-10-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-9-0x000007FFFFFDC000-0x000007FFFFFDD000-memory.dmp

    Filesize

    4KB

  • memory/1356-8-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-7-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-5-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-15-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-3-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-2-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-6-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-43-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-54-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-53-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-52-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-51-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-50-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-49-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-48-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-47-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-46-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-45-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-44-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-63-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-62-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-61-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-59-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-58-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-57-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-56-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-55-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-85-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-94-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-91-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-88-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-87-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-84-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-82-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-83-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-80-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-79-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-78-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-75-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-74-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-73-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-70-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-68-0x00000000003B0000-0x00000000004B0000-memory.dmp

    Filesize

    1024KB

  • memory/1356-66-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-97-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/1356-98-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB