Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
25-12-2024 13:39
General
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Target
666714eecf2a0e9b59e72bf55e93f7fc46ba9463c043381fbe9eca8df0011527_Sigmanly.exe
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Size
4.3MB
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MD5
f6672648c1d176cf6c398bd74d5966e4
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SHA1
3e37955db4ca3616181df3577f0e9dcc353a3016
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SHA256
666714eecf2a0e9b59e72bf55e93f7fc46ba9463c043381fbe9eca8df0011527
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SHA512
161fe1ffd292d2d656d447f08d9e46b32a18f4c2ae868baa9202a2f960eeed1f832710ab6d2bc8a07f36c8167c4d2f6f2c9af3d1abd6a44f3e11f8aadc4f08ff
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SSDEEP
98304:F7sJw8ji7nUeI6AKaQ0omGhOC2D+cUfWr9XtdNchZEuVa3b/m:RsJw8jsIdJuhN2D+RfERcheuIr/m
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\666714eecf2a0e9b59e72bf55e93f7fc46ba9463c043381fbe9eca8df0011527_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\666714eecf2a0e9b59e72bf55e93f7fc46ba9463c043381fbe9eca8df0011527_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
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Filesize
12.5MB
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Filesize
12.5MB