Static task
static1
Behavioral task
behavioral1
Sample
crtinst.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
crtinst.exe
Resource
win10v2004-20240419-en
General
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Target
crtinst.exe
-
Size
3KB
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MD5
d40978939c9e24a48483c6436352396e
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SHA1
1e121fb191aacae60972673b78505ae9230b10a3
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SHA256
d8c81de99c12bfaf736fcb7ed780aaed6e31b3e93ce579010b1824e20bc2bb57
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SHA512
1c2b51c81eb470a147480792d189b391626fe52ce1d84c8178b00ca9942e5f8726b4b58473307e0e800c0d9528772e10a890a29fbdd99f9e00263f8d4a99458f
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource crtinst.exe
Files
-
crtinst.exe.exe windows:5 windows x86 arch:x86
21e2fced02e32ceb459a56d03aa7503e
Headers
DLL Characteristics
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
kernel32
GetCommandLineW
FreeLibrary
CreateProcessW
WaitForSingleObject
OutputDebugStringW
LoadLibraryW
lstrcmpW
GetLastError
lstrcatW
LocalFree
lstrcpyW
user32
wsprintfW
shell32
CommandLineToArgvW
Sections
.text Size: 512B - Virtual size: 507B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1024B - Virtual size: 582B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 448B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 88B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ