Analysis
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max time kernel
31s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
07-02-2025 06:51
General
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Target
2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe
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Size
3.1MB
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MD5
903480247362183eb1a113885e351981
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SHA1
71119623dc686007802b2da3c7073b63f26012cc
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SHA256
b5ae0e5a220536b0f9338a061ebd95de48956d2131af0f61d4680269524dd6ff
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SHA512
325d9d2ab3a8298b68c21dba4ff9e5a6fda2075fd7c8815d9736b692aa374b2a6ab7e10fe27b6067306e944c7321683bebb8dd96ea519d3bbd92705e8d919089
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SSDEEP
24576:Tii136ZtF+6dI4n5Nswa1XGNK4AzinID9jq5BuFrGyfPi9dhyNPZVi/2FLnyZ5Tg:/qrm9zXiw6vo+syX36R
Malware Config
Extracted
meduza
147.45.44.216
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anti_dbg
true
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anti_vm
true
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build_name
958
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grabber_max_size
1.048576e+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 8 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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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 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\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2025-02-07_903480247362183eb1a113885e351981_cobalt-strike_ryuk.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
4KB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB
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Filesize
1.3MB