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Analysis
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max time kernel
1s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
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submitted
02/10/2024, 23:51
General
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Target
nacloader.exe
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Size
4.3MB
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MD5
58976332b4304851618317d5c96e3ebb
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SHA1
c7d93f59ec69ba2ac96096eefb6aaf297b2accbf
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SHA256
f0d0e272692b421cf0d2a1ce29212242506c6665247b51369dc005dba7e33130
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SHA512
df47c351562767523f3be458013d77d3665fbb040223e30e4c9fd56ed6eaf40e2035851f4b71b914c217291deac0d86dad55a2dda79e5519739b30a60cecdac2
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SSDEEP
98304:zMrCZ7maELsBDnCp4sI4AtZC6GjMqAvYGYoe7ol5N85DVi:zMrCZNEYhnCg4wZC6GjM8Dfol5N85DI
Malware Config
Signatures
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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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Themida packer 4 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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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 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\nacloader.exe"C:\Users\Admin\AppData\Local\Temp\nacloader.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- 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
11.6MB
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Filesize
4KB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
1.8MB
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Filesize
11.6MB
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Filesize
11.6MB
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Filesize
1.8MB
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Filesize
11.6MB