Static task
static1
Behavioral task
behavioral1
Sample
DAYUN GROUP PO #75840_PDF.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
DAYUN GROUP PO #75840_PDF.exe
Resource
win10v2004-20230915-en
General
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Target
DAYUN GROUP PO #75840_PDF.exe
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Size
769KB
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MD5
bf2f2192a50d8bfacf38ec94b77957f0
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SHA1
1f03cf801e0ec482922f53d0374bf7e265cec56a
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SHA256
6ecddfda84f61c1cc57d2da7239b543ef1613832ddeb223e341e8b57fc614ac2
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SHA512
a391e0d394752dc54858bcb447bac88dcbc142f937ae2921b8f3bd1d52f692fc6d56c0ee9858f1dba5490ddb4e741a4b3ba66e504b5127845e4b28643ff5b9ae
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SSDEEP
12288:CA5WIPr4zwhD/fK/NyoQC9QRz05xY2WQDi7SnSqTI7n6Y6wK+k71KoGr3woy:BCNRv5DA+Q6BI3oGjRy
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource DAYUN GROUP PO #75840_PDF.exe
Files
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DAYUN GROUP PO #75840_PDF.exe.exe windows:4 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: 709KB - Virtual size: 708KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 59KB - Virtual size: 58KB
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