Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
24-12-2024 12:28
General
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Target
38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c_Sigmanly.exe
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Size
4.3MB
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MD5
3196bde966d070a54658abbfd66a0f4e
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SHA1
7014bc8b36f162fa42e0de2b8f67f7ac6a4b197a
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SHA256
38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c
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SHA512
38b3d4d81a386daf9a7648bca7b36a7b7ae3b7e0ecc40e414a9672883330caa10e6ec89b866bbc418e9a45c747d59ec2c2a89787d36767872a92cc1a09cc7028
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SSDEEP
98304:g5qLiX/Oa5ORhqLxodCQgn083+sHIhgHfLFjws/L2oLkb:6qLiX/B22zdF3+sHVl/L
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\38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\38882fc16840014780f2186955fe0305b190824204db1ac6cc44e0be84fbf33c_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
Loading Replay Monitor...
Downloads
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Filesize
12.5MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB
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Filesize
12.5MB