Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
13/11/2024, 12:27
General
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Target
2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exe
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Size
3.6MB
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MD5
4cf4e3d52972f24e8c75793715e7d9f1
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SHA1
19ddd33a96c0d45721721b5d4af105bcf4ad4cde
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SHA256
175ec346fc8a02622922c0075f0036d870a4c7ba4d9dbe36d18673197135f1af
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SHA512
620c521631f1e56c9849a1138fb89d11da57942d416209050f6b62927ce2a0505bb86049ebf17fec45520d70f999a75ed3e5df0216eb18aa10367e7dfc85e56f
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SSDEEP
49152:0QusxfsyBPpRP+dGSPkYz/5DEU/7Ptjgep:5qp
Malware Config
Extracted
meduza
109.107.181.162
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anti_dbg
true
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anti_vm
true
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build_name
700
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extensions
none
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grabber_max_size
1.048576e+06
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links
none
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port
15666
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self_destruct
true
Signatures
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Meduza
Meduza is a crypto wallet and info stealer written in C++.
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Meduza Stealer payload 45 IoCs
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Meduza family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exe2⤵
- 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
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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\2024-11-13_4cf4e3d52972f24e8c75793715e7d9f1_ryuk.exe"3⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping 1.1.1.1 -n 1 -w 30004⤵
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
4KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB