Static task
static1
Behavioral task
behavioral1
Sample
cover_letter_12102023002.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
cover_letter_12102023002.exe
Resource
win10v2004-20230915-en
General
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Target
cover_letter_12102023002.exe
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Size
743KB
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MD5
60f541337c0bf21d2fb0e4b29350a356
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SHA1
0f7c9bf6f5dcefbc8eac28394a76aa6c5e799b2b
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SHA256
b91e939e8c2270f7371f16b266f738659ff6f16cf1b2cf1c66147008e3e10a8c
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SHA512
3aa87cb49cc2353d1c064e2a552a9559c57a94a055eda7375ad62106db15bea4b271ffd7a3a78452165d5d730bb549c9c503a0b8638197751dc1aa9e50144701
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SSDEEP
12288:r74GwQJEU0H9uRiu2K5dVJY1lmZaM/AUDzwA4:r74JQSDwOAVWiaSDzwA4
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cover_letter_12102023002.exe
Files
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cover_letter_12102023002.exe.exe windows:4 windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 741KB - Virtual size: 741KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 984B
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