General
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Target
SMB.exe
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Size
44KB
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MD5
f10ea365fc4809c4ebad7e2d2decbc2c
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SHA1
898aad62ced8330304665477b71a5167b7e6e4d9
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SHA256
552592d99b784facfde5350402c69c5158c239bd147acbd75b43b5e9f40dcdfc
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SHA512
0e3dd29ab398e4c3d409e156dde14a48d028994c02b71a86a3ac3db29b5af8f3a9b4eaf332c48329462292a883399f56679b12c9df495768c71121be407f5c52
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SSDEEP
768:42aZQnlm1k5nVABIIkfVr9PDDmFEPa9BfBXO6tOFhLzwtwg:4KlRdflMFd9NBXO6tOF5ng
Malware Config
Extracted
xworm
5.0
XgMwB5Un881eApDQ
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Install_directory
%LocalAppData%
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install_file
rundll64.exe
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pastebin_url
https://pastebin.com/raw/EiiXCJbn
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 SMB.exe
Files
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SMB.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: 42KB - Virtual size: 41KB
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