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
05-01-2025 10:09
General
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Target
2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe
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Size
3.1MB
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MD5
c251321bdb97f33285932896c5063a9e
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SHA1
f8513e5063998e4f2ce674e55a795aac55344695
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SHA256
415fd38b660f02db2cd016eb150b825d7badc7faee3864ffa1557589b0964d1e
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SHA512
3c8128a04eec494e062d3bc86141471e4c97d32230598f88da754d662d10c99f4d217b0af65dfbeb878db48387a3eba8260620c4abaea7762a0a213e3086a313
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SSDEEP
49152:UCz3bTLndYdXzb85JZym2cW5CYzT2eE1Onl+bv:U
Malware Config
Extracted
meduza
45.130.145.152
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anti_dbg
true
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anti_vm
true
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build_name
Punish
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extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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grabber_max_size
4.194304e+06
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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 46 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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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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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\2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_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
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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\2025-01-05_c251321bdb97f33285932896c5063a9e_cobalt-strike_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
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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Filesize
4KB
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Filesize
2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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2.0MB
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Filesize
2.0MB
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2.0MB
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Filesize
2.0MB
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Filesize
2.0MB