Analysis
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max time kernel
90s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
17-11-2024 10:30
General
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Target
2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe
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Size
4.1MB
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MD5
a6a5175d334d452e5f7ecb4a7c59ccc7
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SHA1
8c57589c02d10dc60bb7ce3128b24bfc2a1c1824
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SHA256
98673dbe7eb9b78140a4e215e7f028ce40393371c39debd0fde5a37534c4b8c8
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SHA512
0655813b51b6f9dd009988319aa43f93a2a9c8d61f259cc76374361b2eff56ffe69370c40a4981757fedca8ebb5a41ddbe24ce495919272da74f6a61290fd50f
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SSDEEP
49152:qxGK0l3e3uPleujQuj+TLYC8ao9Q59nL/eMJEDq3+EoghZ:qxGK09yumZ
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
420
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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 47 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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Deletes itself 1 IoCs
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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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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 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 17 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\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exeC:\Users\Admin\AppData\Local\Temp\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_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\2024-11-17_a6a5175d334d452e5f7ecb4a7c59ccc7_ryuk.exe"3⤵
- Deletes itself
- 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
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
1024KB
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Filesize
1024KB
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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
1024KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
1024KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
1024KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
1024KB
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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
1024KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
1024KB
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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
1024KB
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Filesize
2.0MB
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Filesize
2.0MB
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Filesize
2.0MB