Analysis
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max time kernel
94s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-12-2024 03:36
General
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Target
eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd.exe
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Size
4.2MB
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MD5
b5b2b0f7c16a730f9631829aee670fe6
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SHA1
6f9dee7399db43d8e195544620be564c3d32d27a
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SHA256
eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd
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SHA512
4ba5dc7c6fa58802bc71cfe9dec5a19d879a7fb95f951959efa30bc18e344944275c271399ffab7049e50e4c8899920f653fe996e8bfe2f61b8e21676183a4e9
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SSDEEP
98304:LuNws0kds0+/J8l7LLpD73UVR54wU1uV1r0bcXzij:LIwGs09LVET54wU1Sh0g6
Malware Config
Extracted
cryptbot
Signatures
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CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
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Cryptbot family
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Enumerates VirtualBox registry keys 2 TTPs 1 IoCs
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Program crash 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd.exe"C:\Users\Admin\AppData\Local\Temp\eaa9cb70a559363110329d750dcf11948850ce44999bc71ff1a6e9c8ce6c85fd.exe"1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2168 -ip 21681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12.8MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB
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Filesize
12.8MB