Behavioral task
behavioral1
Sample
StellarNitro-cleaned.exe
Resource
win7-20240903-en
General
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Target
StellarNitro-cleaned.exe
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Size
174KB
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MD5
88ea89ec7f820159207da9b5904985c2
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SHA1
67b30c6a13c19a921cd507908f0790a594b72d7e
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SHA256
99b910c1430fa47a7ac3f67a7029d2629cfdb655b62518eebb160d8e936ffc7a
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SHA512
73cf2ddccae36ce995aefa411edbfaf8a6430c16dd56fe79b4c0b971cad8782b199c2e79b8ad88c500e6a719206aa4559d0ebcd4f3ae52444666c47d411ccc11
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SSDEEP
1536:31gKVLPl1dJJ3cY0LcoUkDaacjc6KE8OQbDG0ZOCEY:3xxPl1dJv0fWNjwO0G0ICEY
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/LsuynkUz
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 StellarNitro-cleaned.exe
Files
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StellarNitro-cleaned.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: 71KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 102KB - Virtual size: 101KB
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