Static task
static1
Behavioral task
behavioral1
Sample
CouInjector.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
CouInjector.exe
Resource
win10v2004-20230621-en
General
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Target
CouInjector.exe
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Size
6.0MB
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MD5
e8d1fb60bcfe69b153cf74dcc0cd76aa
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SHA1
bf572a6dd716262dd9ce3d9cfe552eecaacaa353
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SHA256
4fcd7b0783177df11525705ae867964ff7a535d204695642bdd022cbdc1d9ad4
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SHA512
894ca71b225d53da721388930c7dae1305a0f027abbe5e9f6c7e33f96f612e30f453e703668b7f889e65c12b16700ce110ed709df7e86cb0961c2232d0e050df
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SSDEEP
98304:3pPjXE9C+YbsiOU/ILCFWtjXE9C+YbsiOU/ILCFW:ZaZU/IOWpaZU/IOW
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CouInjector.exe
Files
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CouInjector.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: 5.9MB - Virtual size: 5.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 71KB - Virtual size: 70KB
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