Behavioral task
behavioral1
Sample
stu.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
stu.exe
Resource
win10v2004-20240709-en
General
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Target
stu.exe
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Size
45KB
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MD5
9dc3bc3863b5a751b130f5579aa86abb
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SHA1
3c22b1cd4e92294872136d1324ef31bafc394b1a
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SHA256
405910278aa0afbe5e09cbb2d0a25f23c2502af7c41045fa7b912a47ba3d052f
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SHA512
49e9c6e2bffec37fd1bc274e1206bb36e8ca58fac08ddd35da736292c928a2d23a401de9cbc0811f77a06014e1582defc152099416f6e1667777bb78f8cd51cf
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SSDEEP
768:ddMEkv9OychG0kx/aMxKEbgBT4lGAmFEPG9nPeCz6vOChpz9isR:rMEkVrcb6bE4kF19PFz6vOCLAsR
Malware Config
Extracted
xworm
5.0
gyxcscN18uQJWtbl
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Install_directory
%AppData%
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install_file
Github Update.exe
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pastebin_url
https://pastebin.com/raw/Lv9Z3FeE
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 stu.exe
Files
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stu.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: 43KB - Virtual size: 42KB
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