Analysis
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max time kernel
100s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-12-2024 11:10
General
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Target
bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe
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Size
4.2MB
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MD5
fa2b9ef3eedea37bee3f07f9a580ca57
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SHA1
886267a5d0287a9e8385aa7337f7c0dfb6e0c3b2
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SHA256
bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2
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SHA512
a5ffb97936a0c9b4451436b9b8d5e433a108ad5c9c70c9bce55e8597e7b76e9d8d0786663f9e535bb313a51a1ed75a482c08dba6ec64eafe46029905ad406f64
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SSDEEP
98304:zv6kd7asndqddLBjfGQxzLbSin3lUwwLWzFfZvR:rrVdqTBDGgbcRLWzFH
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\bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\bb2af2fb0383047e427ce40b100535426c1037778a3e3c713158d02d6ab6c8a2_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
11.3MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB
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Filesize
11.3MB