Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win10ltsc2021-20250217-en
General
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Target
MasonClient.exe
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Size
51KB
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MD5
267f96e9cd6585f1e6a3c3355dd4f369
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SHA1
26320160eebc17cdba76207aba90a86232b499f1
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SHA256
1411578fadcbab87b3b8d3d655938bc9cf1fc71768c61708d14167df76b0b32b
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SHA512
6e6cb8f26c12347d776d7503177a626d2daa35f93bb5a85db363cdee18c984e9bf59d69fc9d27a3c8b48c3485f5306b1b2201e81961ef3d35dabb0147db39241
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SSDEEP
768:Jh6+oFtLVtEEdzq0NZSpC5uFbowl8OK9ax7b4YvPtzD8v9OlrhJO7qpn:JIPZiEdzq0NZUvKoBb4YvP9DpbOKn
Malware Config
Extracted
xworm
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Install_directory
%port%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/knVPJWgB
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
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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: 48KB - Virtual size: 48KB
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