General
- Target Virus NahSmi.exe
- Size 1.3MB
- Sample260709-ebmn8act7k
- SHA256 ae837e22582519086fa5634dc351ee0cf76df56b726dc2da507c9902c9baeaaa
- MD5 ca2be39dc5558518caaf96991533f684
- SHA1 0fca63b0f22b7c8f03a4f98797fd236f091e371b
- SHA512 a6656a28f2743574a28a04eb5cd27f74637af0ff9a47586b19c429083aba75b688ef9a61b7a1dacfe35007cc4b0f26cc114556b8c8e293035481ea321d8ffd0f
- SSDEEP 24576:C+s7Qs8rsEyRwfqcCgQijMFD1VtAxZqL5tMgK+LXMkgSLVe0t:Cn7QJpJglijG57CQDKEkSJe0
- TLSH T18255CD805384EE68E63663F0A535C47CA31BBE1498F0F92953D5FCA17A7AB7D98E1304
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Virus NahSmi.exe
Resource
win10v2004-20260513-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
Virus NahSmi.exe
Resource
win11ltsc2024-20260706-en
4 signatures
150 seconds
Malware Config
Targets
-
- Target Virus NahSmi.exe
- Size 1.3MB
- SHA256 ae837e22582519086fa5634dc351ee0cf76df56b726dc2da507c9902c9baeaaa
- MD5 ca2be39dc5558518caaf96991533f684
- SHA1 0fca63b0f22b7c8f03a4f98797fd236f091e371b
- SHA512 a6656a28f2743574a28a04eb5cd27f74637af0ff9a47586b19c429083aba75b688ef9a61b7a1dacfe35007cc4b0f26cc114556b8c8e293035481ea321d8ffd0f
- SSDEEP 24576:C+s7Qs8rsEyRwfqcCgQijMFD1VtAxZqL5tMgK+LXMkgSLVe0t:Cn7QJpJglijG57CQDKEkSJe0
- TLSH T18255CD805384EE68E63663F0A535C47CA31BBE1498F0F92953D5FCA17A7AB7D98E1304
- MD5 SHA1 SHA512 SSDEEP TLSH
Score9/10-
Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.