Analysis
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max time kernel
16s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
20-12-2024 10:33
General
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Target
9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09_Sigmanly.exe
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Size
4.2MB
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MD5
0ac83051d42c812a3deb74e093c48f9e
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SHA1
ef8dbb841cf66cb66eeefcd282baaa0544dd1fbd
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SHA256
9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09
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SHA512
ee04c5ff5f73156cacbb95a3d5d8aebd0e28a011aa46ffe800d2d3b50be16b88eff285e87494b2ec9fe664c7e6ab2124e405d9523a691d8a953aeb89617f5021
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SSDEEP
98304:gzUjg5FqNPOmOaa+KFi90WNEZsx2VeUsGkXM9Aby5fgkaZdX:25FqN0aKFoXMKgXsGHAu5fAd
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 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\9efc2d4a5f40a0bf856d84858ba422d4c504a276f03fa87aec827f266726ce09_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