Behavioral task
behavioral1
Sample
Update.exe
Resource
win10v2004-20240226-en
General
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Target
Update.exe
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Size
66KB
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MD5
d04687f34ab7c6b03d89d70600a305fe
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SHA1
29a7b9a5e86691cf94b1b8ecfb6564a3bf7f7300
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SHA256
3a31608514238c6c816800c3108814cbad343053c3fdaefb93be69f61dd6fd7b
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SHA512
24bfe44bd11b7b1351fe2dd73aa8f6334684a9fd16b8bf61005962204896a6aa32b27cc9ca8a5db06c12dcf799eec7cc958ad61044f130e6646d67a58981a1fc
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SSDEEP
1536:6AwJ1cIivCyqUFv79bs4Jj7kxqSY61rcOHuzmhN8Ejw:6AU+wUt79bs454cOHuihWEc
Malware Config
Extracted
xworm
3.1
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Install_directory
%ProgramData%
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install_file
.exe
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pastebin_url
pastebin.com/raw/teUNKYmx
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 Update.exe
Files
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Update.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: 63KB - Virtual size: 63KB
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