Static task
static1
Behavioral task
behavioral1
Sample
Smtp.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Smtp.exe
Resource
win10v2004-20230915-en
General
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Target
Smtp.exe
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Size
730KB
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MD5
d3cceed1e03aed7ec2d08ee27f2317d7
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SHA1
e6bfac7d9c7fd50f91680d67da99517f9feb27f1
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SHA256
2d2c156c80ef6114d75f6b958946bb3d278305fa7f04b239bbdfb5a124d0b941
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SHA512
f50038d2df63a6ba37ad06dc40a814b72dcdde4b4d7ec405e703c3399eb9adbeda410eb8dd6f94ddc8949656ba8e24aa154123f71b98129346ba2a1ed2f5946f
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SSDEEP
12288:FEbAzFzGwDBQIvAzFzGwDBQI2AzFzGUDBQI/:rJtQIMJtQIlJDQI/
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Smtp.exe
Files
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Smtp.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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 500KB - Virtual size: 499KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 229KB - Virtual size: 228KB
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