Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240220-en
General
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Target
XClient.exe
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Size
250KB
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MD5
54d014f0850b34d0ce91b642cae732c2
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SHA1
2897c4b23173e00d37516cbebe5d40381a375057
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SHA256
43c3a1c79760f8d07c0c99dce1d8840f92df0c29e4a421bb973a1628c1ccb595
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SHA512
dbc8463f7da9bf6cc1543a2e341d2b41678c06633a3a36569d5da06080443dcb2c754ef7ccc7fc1313c36382308e74650925d0bc4815d2cab06fdc6c43f64f55
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SSDEEP
1536:omVhUrwLdAJEm5pkbrID1PkzxDl+gVOVm2kVBUxD0jOhkpzRf0nv:1V3dgkbrINkL+gVOVm9oylf0nv
Malware Config
Extracted
xworm
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/H3wFXmEi
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 XClient.exe
Files
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XClient.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: 58KB - Virtual size: 58KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 191KB - Virtual size: 190KB
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