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
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Executes dropped EXE
Loads dropped DLL
Checks whether UAC is enabled
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
Suspicious use of SetThreadContext