Static task
static1
Behavioral task
behavioral1
Sample
printed_letter_20231013001.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
printed_letter_20231013001.exe
Resource
win10v2004-20230915-en
General
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Target
printed_letter_20231013001.exe
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Size
743KB
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MD5
b5796f1cd599365085df50f7bca30207
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SHA1
3f76d298c028073e58b5acc7fa4fbde672ccf524
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SHA256
2f9ca7d57b530ffe090e47cc0d347083a86f83a70fe052014ce368a5ae31b239
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SHA512
93f34cd7d44cb21d033bcf71d58c29c282a3a89eca2422e306056d74473143e4faa879f60064990a4b9b1d4709b3beed20ce46637f41225534ff313c6399e24b
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SSDEEP
12288:E74GwQJEU0H9uRiu2K5dVOY1lmZao/AUDzwF4EX:E74JQSDwOAVziaWDzwFfX
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource printed_letter_20231013001.exe
Files
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printed_letter_20231013001.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: 740KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 992B
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