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 12:17
General
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Target
3cc1d883f9449d83c24cc3b3ade93d13480830b366aba40e7dc4586cc0fdf3c9_Sigmanly.exe
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Size
4.2MB
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MD5
ba813010ef7e3c329fd33a38a205fe92
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SHA1
04188858d6357f0fca9486c342e232560f31d748
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SHA256
3cc1d883f9449d83c24cc3b3ade93d13480830b366aba40e7dc4586cc0fdf3c9
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SHA512
dc4e6b9fe93672a962ae992301cbc41aac816eb108439eb1aa75a16a6cdc5bc74473db25e102ab54c01fb6c10a53a04b9cc0918cc639ebf1018a5dab4d9d6619
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SSDEEP
98304:Z3pUHw37xAVX9sfGJ9BxmUIrDLUZM8qJN1X:ZmQLxAVXeuJFb5C8u
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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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\3cc1d883f9449d83c24cc3b3ade93d13480830b366aba40e7dc4586cc0fdf3c9_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\3cc1d883f9449d83c24cc3b3ade93d13480830b366aba40e7dc4586cc0fdf3c9_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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11.4MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB