Analysis
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max time kernel
140s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
27-12-2024 13:58
General
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Target
efd7bbaba8aa8e6865430d1ffcfbf2d5.exe
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Size
4.3MB
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MD5
efd7bbaba8aa8e6865430d1ffcfbf2d5
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SHA1
a9c1b894dc0628909524f21c2b8da3d80d4d1725
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SHA256
044837966b88050aafba12d5765a42768de8b1b55cd83a274df9a0fcf17fede2
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SHA512
eacc546270f7cc56567b2003ff0274ec063f756dda74a523a571be93197ae09167b37e6e644e67f586bbd23d4645684d00f5e5be28f991dc19e6fcd281957fd9
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SSDEEP
98304:f9BerfMdJtZSrZBU0/2pF+TTwmddqkqNhoJKs5L:f9SMqYAqmdgNhoM
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\efd7bbaba8aa8e6865430d1ffcfbf2d5.exe"C:\Users\Admin\AppData\Local\Temp\efd7bbaba8aa8e6865430d1ffcfbf2d5.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
12.3MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB