Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
MasonClient.exe
Resource
win10ltsc2021-20250217-en
Behavioral task
behavioral3
Sample
MasonClient.exe
Resource
win11-20250217-en
General
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Target
MasonClient.exe
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Size
48KB
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MD5
8f28ca9a926d19b481928e7943818c18
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SHA1
c39af1be425a90eb806d2874ad210266f55f297c
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SHA256
ea0cd48a7bbf5c3df7505631380715287c22db6cdb770dc36f211bba02bae59b
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SHA512
2acdbfe077ebc93a50836c7a719646445e48bfb893c05ccc06260bc815b91e28b0f5cd478131be2a71e330621f50d7712a3169c4234e68ebb6d7367aac9fc789
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SSDEEP
1536:Wt1VFdabn9SaSLxeQSoY7r8WnRzWnRYWnRVWnRyWnR899LSyYaW2ta46aXHWnRo5:m1DD3A5b3hbO1
Malware Config
Extracted
xworm
-
Install_directory
%port%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/6EU9ps8S
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MasonClient.exe
Files
-
MasonClient.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ