Behavioral task
behavioral1
Sample
MasonClient.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral2
Sample
MasonClient.exe
Resource
win10ltsc2021-20250217-en
General
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Target
MasonClient.exe
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Size
47KB
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MD5
2c8f88e34446781e1a4d201c173d420d
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SHA1
c376cdd4aebccf20e85b799e9ceeeebafa77bc83
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SHA256
f2f027c21e90d41a12cfeacc16b07216a85eb17d3d4b39fdc51fe3143c8dde46
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SHA512
51662ad30d27268435be6fefa779932be47151b64476a1b8a48e74011140e555a377063c5d5ee3eb6a71f4e12979f3f37aef765122c8de9927cb7220fd1da7d7
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SSDEEP
768:ln8y5X66Owo6hEfizVik25DTpvghbrivo2g7KPYxJ3AbiOmb00R9S34u3JceujU+:lnD66Owo6hEfizVik2BTpvghbrivFgmI
Malware Config
Extracted
xworm
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install_file
USB.exe
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: 45KB - Virtual size: 44KB
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