General
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Target
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07.zip
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Size
6.8MB
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Sample
240402-mahmwafa66
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MD5
29940b6969fc73dd0da9f273343736b0
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SHA1
d63777b0d1919b8ad085b77639d035eac32051ff
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SHA256
69443316cd3565cf0a8cf3abd871129826afa00593964771b8f2a1fbf8ffce2d
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SHA512
1d67adcaaefa477ef080ad401bf857d7f038ba94934429ef04b144bad5e263c58aa313b16ba09460789a7647ec666dd5821df7acb6ba3014de606ac7850fcf6b
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SSDEEP
196608:DewJ0njMnrLFlrVEETfT3x/m8OEbl9lfP5giXAVXHuK:DewmnjMnrp7EO9Btb9PTXm/
Static task
static1
Behavioral task
behavioral1
Sample
b9503635ef25a584476f71aa4a010b3978ee04e8a956e810b71b05bbef32bb07.exe
Resource
win7-20240220-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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