Behavioral task
behavioral1
Sample
X235Client.exe
Resource
win7-20240221-en
General
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Target
X235Client.exe
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Size
329KB
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MD5
ff19700cffef17ed627a27bc7935195f
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SHA1
3c64e951c2ba67a388113cb5f870026eafb21462
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SHA256
161142e3ab9b21a053c76291131dc80b4afe745cc1cc7dfaeef5fafe16f3d07a
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SHA512
74304490e7366c7a5834d1b7526f0206174ee169b844a648a703c0af8d7b1a46d87ff4dee397329b7a47660a765094c401c583dddc21b042bb4e2eb2eff494a6
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SSDEEP
6144:KMorbD7qE5iZcBCqYg9HF0VRlQCvcL8qz00AGiULo+vRZ7qm+DJrOHMy:K1j+S0g9l0VRlQD7zqGi0RZ1+DwHM
Malware Config
Extracted
xworm
https://pastebin.com/raw/9vEx15AQ:1303041805111
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Install_directory
%Temp%
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install_file
dllhostPDF.exe
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pastebin_url
https://pastebin.com/raw/9vEx15AQ
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 X235Client.exe
Files
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X235Client.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: 62KB - Virtual size: 62KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 265KB - Virtual size: 265KB
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