Analysis
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max time kernel
148s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
24-12-2024 07:58
General
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Target
3b9c783ff5ccccd999d4d694386e6d60a4c6898852609dbafc3c0de9a8b8d7f2_Sigmanly.exe
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Size
4.3MB
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MD5
3c5270c3dc1643a06137d2ac8e5b6c45
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SHA1
91a0bb7cdca4dc93101aef8545178fa336054341
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SHA256
3b9c783ff5ccccd999d4d694386e6d60a4c6898852609dbafc3c0de9a8b8d7f2
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SHA512
4637832171a4f34d6fec68408df25f163712a9c816bb89e2709d8eca7f4c450cb294ba7044dcc413d1d39c01cedea3a7307664bed8593cbcf8d022ac4a605626
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SSDEEP
98304:DfvJBK3bUTE2erqMTuOk9cuX9Ris9HggsjPdenKe/gsJvy3q0BxQwBC78X6:DGI42er9y79lXXis9HDYPdsKe/LVWQic
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\3b9c783ff5ccccd999d4d694386e6d60a4c6898852609dbafc3c0de9a8b8d7f2_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\3b9c783ff5ccccd999d4d694386e6d60a4c6898852609dbafc3c0de9a8b8d7f2_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
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