Static task
static1
Behavioral task
behavioral1
Sample
Build-1S.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Build-1S.exe
Resource
win10v2004-20230220-en
General
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Target
Build-1S.exe
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Size
3.4MB
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MD5
e695b8888af3b57f1a56961bd289463c
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SHA1
e8c3892fcf4635a16fe91b9542953e2ac5141df2
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SHA256
c5a45793d7c361f18d36c190b86c951bf0e7a01ad52132c7e9e9d4101eff73aa
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SHA512
3c1ba39b7819020ad748bfd8bc0cca01fda5e5c7a2111ec6c034bf99e1974f27cb6a1ad7b3e26ffcfb150c447349661771fd21d54c25602ab01c1b1b43346ce1
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SSDEEP
98304:8QBNUcwti78OqJ7TPBSHgMWJ0bJpqcV/:TzUcwti7TQlSBWJq1x
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Build-1S.exe
Files
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Build-1S.exe.exe 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: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 78KB - Virtual size: 78KB
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