Static task
static1
Behavioral task
behavioral1
Sample
utau0418e-inst.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
utau0418e-inst.exe
Resource
win10v2004-20231215-en
General
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Target
utau0418e-inst.zip
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Size
3.2MB
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MD5
6b382a6151f40401b9d7dda46fad813f
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SHA1
851942268d7e2b500d4d5566265b87f9f32dedde
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SHA256
3c53fea245ab91b4cf357292715837e51cb41e4b3901efa9d9a4b55db76c79ed
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SHA512
c668e046dc2948e9fd8b40d5883c2434ae0a266c42b2d8f49b7559ba76c28172a2e87dc3ec85a4619b291115b4188768fe21a2ee4c86352645f4557f314567b0
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SSDEEP
49152:iabUo+wD36wVRI3CuzhO4X+CovH222eGeVr+s7bWFFhAY7c88tF+UF2vVCesQ31:xWaVRI3CulO4uCovz+HKxtF+F/sg
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/utau0418e-inst.exe
Files
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utau0418e-inst.zip.zip
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utau0418e-inst.exe.exe windows:5 windows x86 arch:x86
d287b46f6436ae965f0f1af9da8d89c9
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
advapi32
RegCloseKey
AllocateAndInitializeSid
EqualSid
GetTokenInformation
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueA
FreeSid
RegDeleteValueA
RegOpenKeyExA
RegSetValueExA
RegQueryValueExA
RegCreateKeyExA
RegQueryInfoKeyA
kernel32
LocalAlloc
GetLastError
GetCurrentProcess
LoadLibraryA
CloseHandle
LocalFree
GetFileAttributesA
GetPrivateProfileStringA
GetPrivateProfileIntA
lstrlenA
lstrcmpiA
lstrcatA
GetShortPathNameA
GetSystemDirectoryA
RemoveDirectoryA
lstrcpyA
FindNextFileA
DeleteFileA
SetFileAttributesA
lstrcmpA
FindFirstFileA
_lclose
_llseek
_lopen
WritePrivateProfileStringA
GetWindowsDirectoryA
GetModuleFileNameA
FindClose
GlobalFree
GlobalUnlock
GlobalLock
GlobalAlloc
IsDBCSLeadByte
ExitProcess
GetProcAddress
GetStartupInfoA
GetCommandLineA
LoadResource
FindResourceA
CreateMutexA
SetEvent
CreateEventA
SetCurrentDirectoryA
CreateThread
ResetEvent
TerminateThread
FreeLibrary
FormatMessageA
GetExitCodeProcess
WaitForSingleObject
CreateProcessA
GetTempPathA
FreeResource
LockResource
SizeofResource
CreateFileA
ReadFile
WriteFile
SetFilePointer
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
GetTempFileNameA
GetSystemInfo
GetDriveTypeA
lstrcpynA
GetVolumeInformationA
GetCurrentDirectoryA
LoadLibraryExA
GetModuleHandleA
CreateDirectoryA
ExpandEnvironmentStringsA
GetVersionExA
GetDiskFreeSpaceA
MulDiv
gdi32
GetDeviceCaps
user32
wsprintfA
ExitWindowsEx
CharNextA
CharUpperA
EndDialog
GetDesktopWindow
CharPrevA
GetWindowLongA
CallWindowProcA
GetDlgItem
SetForegroundWindow
SetWindowTextA
SendDlgItemMessageA
SetWindowLongA
EnableWindow
SendMessageA
LoadStringA
MsgWaitForMultipleObjects
PeekMessageA
MessageBoxA
SetWindowPos
ReleaseDC
GetDC
GetWindowRect
ShowWindow
DialogBoxIndirectParamA
SetDlgItemTextA
MessageBeep
GetDlgItemTextA
DispatchMessageA
comctl32
ord17
version
GetFileVersionInfoA
VerQueryValueA
GetFileVersionInfoSizeA
Sections
.text Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3.2MB - Virtual size: 3.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ