Analysis
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max time kernel
94s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-01-2025 08:32
General
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Target
Sigmanly_828c90e4bd13605fdf955b30e36336ff08d5f10858f21fdf38529debdd216013.exe
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Size
4.3MB
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MD5
01fbecb34b5ac1c9c3336c64817f1637
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SHA1
51f08b5cfb4d7c7c0bb96b8c0c171e3cf05e27ab
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SHA256
828c90e4bd13605fdf955b30e36336ff08d5f10858f21fdf38529debdd216013
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SHA512
117787a4cad5f04af82f0492dd6118bc4f2af2e1cb209d92aa8edf437ce11d6f27bda74d816fe7640f47b6bbeb3cefb98ff9707106edec227274d4ba3d33f2fb
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SSDEEP
98304:u/jc2pRsx2Zwa0WBsFu7RPv6PPWucMdwQ05:uLcSOcZwaxiMRP8PWrMa75
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\Sigmanly_828c90e4bd13605fdf955b30e36336ff08d5f10858f21fdf38529debdd216013.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_828c90e4bd13605fdf955b30e36336ff08d5f10858f21fdf38529debdd216013.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 4308 -s 11322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4308 -ip 43081⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12.2MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB
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Filesize
12.2MB