General
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Target
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07.zip
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Size
6.8MB
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Sample
240402-mmp8gsfb6y
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MD5
31e33f941d8c08947cf7c9a9146466a5
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SHA1
4ea8e2c1f616a267d420430a6fff5dd4cdb663a4
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SHA256
5d85b89de4dac09c291d0542530284faddf664dd1b8c3ad1cba98f9efc92394f
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SHA512
207a9dab6e63403859ce2f4717b0698f4bfa28a0c357d07759e7f8bf6d5dc0a0786dcb50ea0491b5d9deb09b0f86141ce9f079909c14454589f345ebeb4f0a53
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SSDEEP
196608:ixR3ykN1jdw0gwG/wZRkJEOxdg1C2x44RhRctEKgIU+haZyEY:ixoEjdRywZ5Uu44RGfZhaZHY
Static task
static1
Behavioral task
behavioral1
Sample
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07.exe
Resource
win7-20240221-en
Malware Config
Extracted
xworm
210.246.215.82:7000
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Install_directory
%ProgramData%
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install_file
WindowsNT.exe
Targets
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Target
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07.exe
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Size
7.0MB
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MD5
6b47add2cf208a988c57c8f00461de0b
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SHA1
cf9518f4bd3cf94ab7225423e4365f4a262a9c61
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SHA256
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07
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SHA512
e2f5eb2e82ab1951e0bfe0994219ed676a71ccb9804be7ebbea42d9ad9596922c16600a101caccbbfd161b98fcc2d7b3e9591afb66e1878627f6cee0918b6a35
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SSDEEP
196608:oA+bmZgkjTKD4C4+e4YcJE4AcnPmP99j+zE/k:oAEGZjTvC4EtAcPmPJ/
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Detect Xworm Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Drops file in Drivers directory
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtCreateThreadExHideFromDebugger
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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