Behavioral task
behavioral1
Sample
Nursultan.exe
Resource
win10-20240404-en
General
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Target
Nursultan.exe
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Size
69KB
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MD5
82f2306c029bd0ff0289fbd7eb7f1d83
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SHA1
c04dc70308806143b0639a8a62743d9ef4932089
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SHA256
7e60dd9dd2aadd4bc534f36430ca273b26a8a219751422e72c536e037081b074
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SHA512
cee0b9bf93e839a4dc8b66c32958ef0bcd0ffcdd77fdd21d26542b3dadbf1a18e51da0be39b23fd6bca000143a44759be07b8333da1b74ed275699451c408652
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SSDEEP
1536:65wEIfSLBdGp7OKbmAft+6hES6OoLUQ4zp:6GHfStdGrbmCRgOoLUQgp
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/FAsTKWH7
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 Nursultan.exe
Files
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Nursultan.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: 67KB - Virtual size: 66KB
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