General
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Target
Client.exe
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Size
184KB
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MD5
cbc69087c42b7df3c3c92303ece3a9e2
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SHA1
23f5423f42a0587c595ad1cf8c3a9bf279b0c01e
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SHA256
51c91fedc0f49202c4062c971a470039420694b5d3285260784e88bb1e368710
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SHA512
25dd42353a948c7fdd8cfc4886e634e0b7db8da19e9bb89d2cc3470031b15a17dd8d49b0f95cbc26855109d4e6ea856947b7f027c84376fa3cf0000ae231c57e
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SSDEEP
3072:vvZylaeLcwWH4hU2beElFGOvHZj3l4NpVq8BxFRzaqF+o2GQJ7/JzqVfGvVI:vYHIz2bz5hgVqwlL8
Malware Config
Extracted
xworm
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Install_directory
%LocalAppData%
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install_file
ChromeUpdate.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 Client.exe
Files
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Client.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: 68KB - Virtual size: 67KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 115KB - Virtual size: 114KB
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