Behavioral task
behavioral1
Sample
Nurik.exe
Resource
win11-20240426-en
General
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Target
Nurik.exe
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Size
210KB
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MD5
bb252d8aa4f5834229ea080c11db0b59
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SHA1
7de57dfc07520a7f3013abc807446e8611914812
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SHA256
ae2ab592c449e18dd57692ae43b247ab02f5003ee170c87f82168d2aa6e03b8c
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SHA512
0e9aa28aeb33328b7b7140a461b45e4a211cb68326130e174b54dd260d3f44323a3ab86f16571e0b0e55c9597f293b9a5d085e1bb01f4fbe2cdb2b20080e4c5a
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SSDEEP
3072:tXbHXK681mboHFtHODlewZp0EAVHLqaHSegMc11irm+uhdtNp+5hBu:tXb6Ib2ewwZpTEH+NvlNpoh
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/cVQrB6DR
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 Nurik.exe
Files
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Nurik.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: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 143KB - Virtual size: 142KB
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