Static task
static1
Behavioral task
behavioral1
Sample
winload.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
winload.exe
Resource
win10v2004-20230220-en
General
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Target
winload.exe
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Size
121KB
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MD5
4379f35f2ed9fa2192d0a416cf457cb6
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SHA1
5fdd7b7f2648a5ac602a4438cad6f14c72a2809c
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SHA256
689c91e49a55cf066fbd7499fce797f2e8085bea8860937f27b718916fe6c6c0
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SHA512
743375a00c9ac3f2ca1250974038746725c6c1821facc4fab97a6b49383a8e64a17c2ea3e7e1a69de9dd06e8211d7b9d062f47055414660981f797d6501fd6eb
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SSDEEP
3072:Q2iT6xOYxT1uhjJDCjC4bmYNDOIaHZRdxaJVYYPwiO:Q4xT1uhFGbmFxowi
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource winload.exe
Files
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winload.exe.exe windows 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: 73KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 47KB - Virtual size: 47KB
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