Behavioral task
behavioral1
Sample
er.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
er.exe
Resource
win10v2004-20240709-en
General
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Target
er.exe
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Size
67KB
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MD5
9671b824ee58139bf10084b1b336a0d2
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SHA1
c6f13afd0ae2c16c1e148dc1be6793d1d2e001a5
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SHA256
86dcdc6b0fed5b4b5d621d1616f7383af5e4438e3c3277cf311c08d249a80e90
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SHA512
5a83047aaa10c945cff2d933514c5b52c798ee00e35eab98fd95245a9f7b0a7b9be74116372c292f08a3c943f02dcb5c832327bc759e473a587e16198d303e30
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SSDEEP
768:1FML+tVjRDtoJ5iV0jED+YHi/A/T6CNY+7b2hBd1aJqE7BAD6sBnHhOcPhTDZh9N:LXjRDGnPM+PUhb2hH1aXiD6svOgVtnN
Malware Config
Extracted
xworm
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Install_directory
%ProgramData%
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/sGaZ7csB
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 er.exe
Files
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er.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: 65KB - Virtual size: 64KB
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