Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
23-12-2024 06:58
General
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Target
fefa09b5a53dd37641a6eeae1b872182.exe
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Size
4.3MB
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MD5
fefa09b5a53dd37641a6eeae1b872182
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SHA1
6e195bce8987679a48d0991418819531fa984237
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SHA256
8e98928ea2d589ae5b2a2602e8d4891f567fcbb23dd4fcf5b2879a6cdf790cc5
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SHA512
d92496117fd6a325c3cb5dcaf40cc2d8b8a8cc08f929dd4b7696d50e6d4deeead72e66bef963ddcf1c63ecbaa032dd011592380d8a0f2e2561bcaf79e4d99b69
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SSDEEP
98304:x3kHBMc/SuLTiCUsBEkJFLFT7guh2kV8D:x3kHX/S+5xBEkJFLFT79h2B
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\fefa09b5a53dd37641a6eeae1b872182.exe"C:\Users\Admin\AppData\Local\Temp\fefa09b5a53dd37641a6eeae1b872182.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
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