Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 09:29

General

  • Target

    2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_ryuk.exe

  • Size

    3.6MB

  • MD5

    1dcc07eb97d4c4f32abd4666dfd142f1

  • SHA1

    57b1dd27cb92ddd3c980be825e63d0d0cdbb9d1a

  • SHA256

    d24a318bf92e09537597a99368482fe4733719db4cda72adf3f05e15a729325c

  • SHA512

    1e47a286851b1f717d3ff827694577ebd56d2512bb9f099309155f323dc7b19d6115d2066d6d9630d637435acc019b622bf163e7fb8797a88e5ebc27d891f512

  • SSDEEP

    49152:0QusxfslDDkEOnTyApUINfVkPEs4MscSPEamK3g62RXbhrp:5sp

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    684

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

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

  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3424
    • C:\Users\Admin\AppData\Local\Temp\2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_ryuk.exe
      C:\Users\Admin\AppData\Local\Temp\2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_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:4752
      • 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\2024-11-16_1dcc07eb97d4c4f32abd4666dfd142f1_ryuk.exe"
        3⤵
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:3168
        • 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:1832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4752-0-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-11-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-19-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-18-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-15-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-13-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-8-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-14-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-7-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-6-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-5-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-3-0x00000000C0120000-0x00000000C0121000-memory.dmp

    Filesize

    4KB

  • memory/4752-12-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-2-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-1-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-29-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-28-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-32-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-39-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-40-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-35-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-34-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-41-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-36-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-33-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-58-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-59-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-74-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-85-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-78-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-92-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-77-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-83-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-71-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-65-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-55-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-53-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-52-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-49-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-47-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-43-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-70-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-64-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-46-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-42-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-95-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB

  • memory/4752-96-0x0000000140000000-0x00000001401FA000-memory.dmp

    Filesize

    2.0MB