Static task
static1
Behavioral task
behavioral1
Sample
ResUtil-1.0.0.9.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ResUtil-1.0.0.9.exe
Resource
win10v2004-20230220-en
General
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Target
ResUtil-1.0.0.9.exe
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Size
24KB
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MD5
cb42b37b06105d4ab1221e45f64cf67c
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SHA1
90e0473735db84944e6c6192c9c94754745bcfdc
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SHA256
f24c39cb0f58b0517f578aee2e19f6b574772044e4f17d3cce0940be33e19d70
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SHA512
9e807f3b29c8761977ae460bf406ec7fb657b492d7936a0e96a7bb7e876ce7994b58b0cfe8429be861e43e5492cfcb21a5104af15ab731a6f425ce825c6625de
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SSDEEP
384:fSGlJJQGTa9An8xc0oV05alrlWtydrVbfi2RLyQ/os9Ofp69BMfh0t7BT12Q:fSWb3ikl5WAVb6K//QsBiu1BTQQ
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ResUtil-1.0.0.9.exe
Files
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ResUtil-1.0.0.9.exe.exe windows x86
1429a1152b16487e79e976bb0102a693
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
GetLastError
UpdateResourceW
BeginUpdateResourceW
EndUpdateResourceW
CopyFileW
lstrcmpiW
SizeofResource
LockResource
LoadResource
FindResourceExW
EnumResourceLanguagesW
lstrcmpW
EnumResourceNamesW
DeleteFileW
CloseHandle
WriteFile
CreateFileW
CompareStringW
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
memcpy
memmove
iswctype
tolower
wcstoul
memset
wprintf
_vsnwprintf
Sections
.text Size: 19KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
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: 856B
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