Static task
static1
Behavioral task
behavioral1
Sample
Optimizer.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Optimizer.exe
Resource
win10v2004-20231023-en
General
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Target
Optimizer.exe
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Size
327KB
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MD5
d2f37511881ee380746b821283bbe4e0
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SHA1
9969b1d76db949ba27015e9683038d2c0fbe0bc9
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SHA256
98fc6cfd564c730e4d8804350699c408f614ed0759f41cb0f3d88865a69f1f9b
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SHA512
4fabdee3c3ea7d2bf00aef801e06df164135188fbca2cf1566c551e2de426c18142f0a77b135fbf30d634b44cbddf1a2a8ab80e433e3f79caddb4f7d8a33f24d
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SSDEEP
3072:uXMWOGqQeQZmMAJ0t0wGJEl/SneMpQMJQpSiPnJI4UzVBgPgaxaE+Uq53BvBw:xqgMAJ0t09UpmQaQMiI4ZPdoE+1Bv
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Optimizer.exe
Files
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Optimizer.exe.exe windows:5 windows x86
a9ccf0fb83bc20164b35040fd507267d
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
libtiff3
ord47
ord18
ord70
kernel32
TlsGetValue
CreateDirectoryA
SetConsoleMode
ReadConsoleInputA
SetEnvironmentVariableA
CompareStringW
CompareStringA
GetProcessHeap
GetTickCount
InterlockedIncrement
InterlockedDecrement
Sleep
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetLastError
HeapFree
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
HeapAlloc
RtlUnwind
MoveFileA
GetCommandLineA
RaiseException
MultiByteToWideChar
LCMapStringA
WideCharToMultiByte
LCMapStringW
GetCPInfo
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
VirtualAlloc
HeapReAlloc
ReadFile
WriteFile
GetConsoleCP
GetConsoleMode
FlushFileBuffers
GetModuleHandleW
GetProcAddress
GetModuleHandleA
TlsAlloc
TlsSetValue
TlsFree
SetLastError
GetCurrentThreadId
HeapSize
ExitProcess
SetFilePointer
CloseHandle
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetACP
GetOEMCP
IsValidCodePage
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetStringTypeA
GetStringTypeW
InitializeCriticalSectionAndSpinCount
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetStdHandle
LoadLibraryA
CreateFileA
CreateFileW
GetLocaleInfoW
SetEndOfFile
Sections
.text Size: 267KB - Virtual size: 266KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ