Static task
static1
Behavioral task
behavioral1
Sample
ResUtil-1.0.0.13.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ResUtil-1.0.0.13.exe
Resource
win10v2004-20230220-en
General
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Target
ResUtil-1.0.0.13.exe
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Size
26KB
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MD5
ec561e267e1bf60fd92c571aa7f37298
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SHA1
95d56b52476ab64a24d1be395b7f52aafd184a7a
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SHA256
34f31bb1f81ddab94c48e05b1ccf96fe513f5a1a84a8c8ad7dc76461f34c4747
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SHA512
4d140b19aff67454ee8e5bc4f598a96320185e0b50c3b18d6b523de1188614e2762a0ae1bf071f086159e9122d24697e3b9f800e380119f6f1bc7a1a79a3ee49
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SSDEEP
384:6LdbJbxDyv+CfvldYFvcmR3d+oYcF7+5OtrhfGOKa5JQsT9kIUMbcdt7BTJ3aD:6LdbJt5w2Fnt3B8OfR5qOQ1BT5C
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ResUtil-1.0.0.13.exe
Files
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ResUtil-1.0.0.13.exe.exe windows x86
8815868cfb366c0c20bebc45c1e88df2
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CloseHandle
GetLastError
WriteFile
CreateFileW
UpdateResourceW
BeginUpdateResourceW
EndUpdateResourceW
CopyFileW
lstrcmpiW
SizeofResource
LockResource
LoadResource
FindResourceExW
EnumResourceLanguagesW
lstrcmpW
EnumResourceNamesW
CompareStringW
lstrlenW
VerLanguageNameW
FindClose
FindNextFileW
FreeLibrary
EnumResourceTypesW
LoadLibraryExW
FindFirstFileW
GetModuleFileNameW
GetFileAttributesW
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
RtlUnwind
InterlockedCompareExchange
Sleep
InterlockedExchange
UnhandledExceptionFilter
msvcrt
__wgetmainargs
_cexit
_exit
_XcptFilter
exit
_initterm
_amsg_exit
__setusermatherr
_adjust_fdiv
__p__commode
__p__fmode
__set_app_type
?terminate@@YAXXZ
_controlfp
memmove
iswctype
memcpy
malloc
tolower
wcstoul
memset
free
wprintf
_vsnwprintf
Sections
.text Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 976B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ