Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
20-12-2024 11:17
General
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Target
ca2b0a34c077e6e81cde2626da1aca4de3f52190747d4f66636a0a8397e158c5_Sigmanly.exe
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Size
4.3MB
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MD5
8cd346fc831e7d59ebab0de045018b84
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SHA1
65ecbe74b5e512c9b00dbb0d041ac1f812f3cbb5
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SHA256
ca2b0a34c077e6e81cde2626da1aca4de3f52190747d4f66636a0a8397e158c5
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SHA512
6708a808b9300845e5852f25a380abf1ce807d96695256793c7a80ebc08307f21a6ba38bc0d73c2897c46ad2828f80717ad2f79c585c658324c7b887bf797912
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SSDEEP
98304:HYd0UZJxaPAlwK5/4ZGpF1NfrV/qHFAUrIYkO7lVT7T:HYZJOxK5wZGJNp/gAfYln
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\ca2b0a34c077e6e81cde2626da1aca4de3f52190747d4f66636a0a8397e158c5_Sigmanly.exe"C:\Users\Admin\AppData\Local\Temp\ca2b0a34c077e6e81cde2626da1aca4de3f52190747d4f66636a0a8397e158c5_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
11.4MB
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Filesize
8KB
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Filesize
2.5MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
11.4MB