Behavioral task
behavioral1
Sample
webhelper.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
webhelper.exe
Resource
win10v2004-20240910-en
General
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Target
webhelper.exe
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Size
87KB
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MD5
e94fdf12b6644d48e75c152f03c73ba8
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SHA1
13e7c8626da1d9e9bf8597969780fdc5a8bd17b6
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SHA256
f93887501934040bc35b56e0b058827f7ec0672b952a53291b92e2452364b8e2
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SHA512
c16633bd4bda2622bafd9e733973a7dcc98a0240369d82726f721079b53da190eb2416d60709f1560ebad449ac497473eef2d09efa70bed1424331af3e9ba36c
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SSDEEP
1536:CXDefyFsIzTJ6n8veud9Ai9HbpS4Y+dxSOyBvMO7pl5VGYsdS1EAd8IIU:CXbwVq9ASbpSV+itBvMOtl5VHkgEA6In
Malware Config
Extracted
xworm
127.0.0.1:46540
147.185.221.22:46540
127.0.0.1:4473:46540
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Install_directory
%AppData%
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install_file
perm.exe
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 webhelper.exe
Files
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webhelper.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: 75KB - Virtual size: 75KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 11KB - Virtual size: 10KB
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