Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
22-01-2021 12:01
General
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Target
5543.exe
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Size
2.8MB
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MD5
3667e43d85130fb90d07e4a725fe7b4a
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SHA1
711dd470697df3e34ebcbf481ccc9852ac659bbe
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SHA256
0beaf24e3a5b13f73b8ef67db0a52815b4948cbceea9a0e5159cfedd7ebb7462
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SHA512
2ac9bed721e20b8a352ad41766b1b0eb79413b91d555bf942aaa6b66b47ef04f08a6594bbce649af95c09d7e1352a73db5120b8509a553b006544cdd7fb683db
Malware Config
Signatures
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CryptBot
A C++ stealer distributed widely in bundle with other software.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious use of FindShellTrayWindow 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5543.exe"C:\Users\Admin\AppData\Local\Temp\5543.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1068-4-0x000007FEF6400000-0x000007FEF667A000-memory.dmpFilesize
2.5MB
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memory/1732-2-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmpFilesize
8KB
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memory/1732-3-0x0000000002270000-0x0000000002271000-memory.dmpFilesize
4KB