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
21-12-2024 09:40
General
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Target
0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe
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Size
4.3MB
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MD5
84e0e622857460da96501532a233c862
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SHA1
a83b246ef32b7a66a8cbbc54edd3bb667f956b9b
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SHA256
0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9
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SHA512
db686ccaa7ed5c1707f18a9482257ad1b1f9101be0d3e975b4aa18f6eec5ed1860aa881b21f9c8265a0ac58c39becf433fff98de874c364b9953eb542f12d1ce
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SSDEEP
98304:Sbmf0HEYlXEh8T9Vp33Jp5JdJ9PRpyOnb+tQUAFPJNpzBgyX2+HlDuAw8TV:MrkYtK8Z33ZpX3tndnqCPDFGW2UUMp
Malware Config
Extracted
cryptbot
http://home.fivetk5vt.top/hLfzXsaqNtoEGyaUtOMJ1734
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\0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\0924a04e22be1339356c24b69b2e75516c56b0b23aa500e9068b9c28c54dd5b9_Sigmanly.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 2032 -s 11362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2032 -ip 20321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12.0MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB
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Filesize
12.0MB