Static task
static1
Behavioral task
behavioral1
Sample
wininstal.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
wininstal.exe
Resource
win10v2004-20230915-en
General
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Target
wininstal.exe
-
Size
607KB
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MD5
dd81fe6d37b5200c80eccb98bc8b91d9
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SHA1
55371613874ea2109b6fc42f929e15f8544cb532
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SHA256
7d5455411512b3e4fa266722bc5bfd18d73b84edf984543f12b40bfc274a70c7
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SHA512
fc2525ec43c03ab7f2c9dfed92f18ec58ef79e962bc2089da90bc565d5d8d8564d9bf4d545c26fdb271c5b88d5ba47c73225f37f49ca1ffff17d427361aefb4a
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SSDEEP
12288:bisrBllxd6M2YYKZ7UcxrGJnFdz87yrqE3Wopb7z1fbJBRi1rMM17o4:bdNllr6MWKZ7Uc0JnLpqED7z1frw1MMB
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource wininstal.exe
Files
-
wininstal.exe.exe windows x64
4cea7ae85c87ddc7295d39ff9cda31d1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
advapi32
GetTokenInformation
RegDeleteValueA
RegOpenKeyExA
RegQueryInfoKeyA
FreeSid
OpenProcessToken
RegSetValueExA
RegCreateKeyExA
LookupPrivilegeValueA
AllocateAndInitializeSid
RegQueryValueExA
EqualSid
RegCloseKey
AdjustTokenPrivileges
kernel32
_lopen
_llseek
CompareStringA
GetLastError
GetFileAttributesA
GetSystemDirectoryA
LoadLibraryA
DeleteFileA
GlobalAlloc
GlobalFree
CloseHandle
WritePrivateProfileStringA
IsDBCSLeadByte
GetWindowsDirectoryA
SetFileAttributesA
GetProcAddress
GlobalLock
LocalFree
RemoveDirectoryA
FreeLibrary
_lclose
CreateDirectoryA
GetPrivateProfileIntA
GetPrivateProfileStringA
GlobalUnlock
ReadFile
SizeofResource
WriteFile
GetDriveTypeA
LoadLibraryExA
SetFileTime
SetFilePointer
FindResourceA
CreateMutexA
GetVolumeInformationA
WaitForSingleObject
GetCurrentDirectoryA
FreeResource
GetVersion
SetCurrentDirectoryA
GetTempPathA
LocalFileTimeToFileTime
CreateFileA
SetEvent
TerminateThread
GetVersionExA
LockResource
GetSystemInfo
CreateThread
ResetEvent
LoadResource
ExitProcess
GetModuleHandleW
CreateProcessA
FormatMessageA
GetTempFileNameA
DosDateTimeToFileTime
CreateEventA
GetExitCodeProcess
ExpandEnvironmentStringsA
LocalAlloc
lstrcmpA
FindNextFileA
GetCurrentProcess
FindFirstFileA
GetModuleFileNameA
GetShortPathNameA
Sleep
GetStartupInfoW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
EnumResourceLanguagesA
GetDiskFreeSpaceA
MulDiv
FindClose
gdi32
GetDeviceCaps
user32
ShowWindow
MsgWaitForMultipleObjects
SetWindowPos
GetDC
GetWindowRect
DispatchMessageA
GetSystemMetrics
CallWindowProcA
SetWindowTextA
MessageBoxA
SendDlgItemMessageA
SendMessageA
GetDlgItem
DialogBoxIndirectParamA
GetWindowLongPtrA
SetWindowLongPtrA
SetForegroundWindow
ReleaseDC
EnableWindow
CharNextA
LoadStringA
CharPrevA
EndDialog
MessageBeep
ExitWindowsEx
SetDlgItemTextA
CharUpperA
GetDesktopWindow
PeekMessageA
GetDlgItemTextA
msvcrt
?terminate@@YAXXZ
_commode
_fmode
_acmdln
__C_specific_handler
memset
__setusermatherr
_ismbblead
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
memcpy_s
_vsnprintf
_initterm
memcpy
comctl32
ord17
cabinet
ord20
ord21
ord23
ord22
version
VerQueryValueA
GetFileVersionInfoSizeA
GetFileVersionInfoA
Sections
.text Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 563KB - Virtual size: 563KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 32B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ