Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240226-en
General
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Target
XClient.exe
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Size
153KB
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MD5
1b8820d52554249471ca92c6db6d7e73
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SHA1
8b72f08f4c07c2011d42bcdb3cb8299ddceaa16b
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SHA256
250faa1e494e594e8faad0cebcd8d2b1d63f9bc5ddfd8ac6f143a98f8ed9980e
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SHA512
bfd0864ca829913b66739fe3194e606e7795e8a55ec1da57b79f273f318795d9d41bd6881e5f9e418d4a1fc7481a64ed5728f171a956ebaa2aeb6aaa43208df3
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SSDEEP
1536:6UEv+qFIUkzEabbECePsbgoggTLcGu4f069liHbOBPBbyVspJxqmyVttdGFQeOPu:mHpkzFbwCekbgL2+OBPBmVIrqmyBer
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
XClient.exe
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pastebin_url
https://pastebin.com/raw/PG3MaVGP
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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: 84KB - Virtual size: 84KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 67KB - Virtual size: 67KB
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