Behavioral task
behavioral1
Sample
MapperBackgroundHost.exe
Resource
win7-20240705-en
General
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Target
MapperBackgroundHost.exe
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Size
68KB
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MD5
be234affb6a450d9ba70e2077b92170f
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SHA1
a72a0f9b501867b8f3d3ba1dd19ddedc87f83a3e
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SHA256
676805b81537a671b519cd597f2ec95ecc896494499cfc9379fc9dcd1b0b6c78
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SHA512
77b9ac2f1301da866bcd798e8dc3353f436b858ed4312b25afada7b3fa607e45438c0782e8d63d65172ca0b8bc9a662e077ad1726aa6c1c04f4528bb538ffde3
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SSDEEP
1536:OwxnJg54Z7i6SWMivyrfNGBytkbxaezAIdNAB0OOz6T:1xnJg54Z7YWMYyDNUakbxFFGB0Og6T
Malware Config
Extracted
xworm
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Install_directory
%AppData%
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install_file
Windows Defender.exe
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pastebin_url
https://pastebin.com/raw/a20MRrpD
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 MapperBackgroundHost.exe
Files
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MapperBackgroundHost.exe.exe windows:4 windows x86 arch:x86
Password: 435dfs
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: 65KB
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