General
- Target Hwdqiniweb.exe
- Size 69.0MB
- Sample260113-bxs7cady8b
- SHA256 c2132d200b9d9e3ad33e27d2d1707b5bd3e5941f4fdb1a00555fedca59fe2c67
- MD5 823e105ec35944c01eadbd4bc717e2b6
- SHA1 9fee74a633b425844ef39ddbc4573a0ad7df9d9b
- SHA512 19913a8fa7695692f242323d296845c2e9ed5e7776cd2829368b72446722596e6e8c0b2e0bd497b3061fecad45613aec1189c4427c7d18c5d4bf86d553728a38
- SSDEEP 1572864:7fOBeUBsY8N/bQQhxWIWnj7zY+WUSLBKM2iP3yg:7m0fVUeWIb+WUuBxPig
- MD5 SHA1 SHA512 SSDEEP
Behavioral task
behavioral1
Sample
Hwdqiniweb.exe
Resource
win10v2004-20251229-en
17 signatures
150 seconds
Behavioral task
behavioral2
Sample
Hwdqiniweb.exe
Resource
win11-20251231-en
17 signatures
150 seconds
Malware Config
Extracted
Family
-
valleyrat_s2
Version
-
1.0
C2
-
szhuandxiaomuma-yandi.com:4433
Attributes
-
campaign_date
2026. 1.11
Targets
-
- Target Hwdqiniweb.exe
- Size 69.0MB
- SHA256 c2132d200b9d9e3ad33e27d2d1707b5bd3e5941f4fdb1a00555fedca59fe2c67
- MD5 823e105ec35944c01eadbd4bc717e2b6
- SHA1 9fee74a633b425844ef39ddbc4573a0ad7df9d9b
- SHA512 19913a8fa7695692f242323d296845c2e9ed5e7776cd2829368b72446722596e6e8c0b2e0bd497b3061fecad45613aec1189c4427c7d18c5d4bf86d553728a38
- SSDEEP 1572864:7fOBeUBsY8N/bQQhxWIWnj7zY+WUSLBKM2iP3yg:7m0fVUeWIb+WUuBxPig
- MD5 SHA1 SHA512 SSDEEP
-
Valleyrat_s2 family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Loads dropped DLL
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Checks whether UAC is enabled
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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.
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Suspicious use of SetThreadContext