Static task
static1
Behavioral task
behavioral1
Sample
dso.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
dso.exe
Resource
win10v2004-20230703-en
General
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Target
dso.exe
-
Size
2.5MB
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MD5
70c325417658e6988b0968d7e8493c21
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SHA1
5e5ebc6f39a9838059d00aef32693f8015da76da
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SHA256
9cb6b98ee140fd331913e65d9f2f6f482bca33f6fae81005ab15047738e48d04
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SHA512
4dc22400826d082c4be6d23a8c0742fb905f81956e171e1ddee71b739e912b1965c77ee8cca30c83faecce639ed2177d66bac10bb9ee9d7a436d9f2419f32c65
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SSDEEP
24576:srqZ0NUNfjbNkKeeXdWVQkaZqkUhC0id+t4c/J6g:OUNfjbNPee4eZq3hC0idYxJn
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dso.exe
Files
-
dso.exe.exe windows x86
f2e65001186390eace6b619d2da91ac6
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
ole32
CoCancelCall
advapi32
IsValidSid
CryptDestroyHash
comctl32
GetMUILanguage
kernel32
CreateFileW
GetCurrentProcessId
GetModuleHandleA
GetModuleHandleW
MultiByteToWideChar
FormatMessageA
GetStringTypeW
WideCharToMultiByte
GetCurrentThreadId
CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetExitCodeThread
GetNativeSystemInfo
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LocalFree
GetLocaleInfoEx
LCMapStringEx
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
QueryPerformanceCounter
QueryPerformanceFrequency
SetFileInformationByHandle
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
SleepConditionVariableCS
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetProcAddress
GetFileInformationByHandleEx
CreateSymbolicLinkW
CompareStringEx
GetCPInfo
IsProcessorFeaturePresent
WriteConsoleW
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
HeapSize
RaiseException
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
GetCurrentThread
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
SetConsoleCtrlHandler
GetFileType
GetFileSizeEx
SetFilePointerEx
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
HeapReAlloc
GetTimeZoneInformation
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
ReadConsoleW
Sections
.text Size: 519KB - Virtual size: 518KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 83KB - Virtual size: 82KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 143KB - Virtual size: 149KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 18KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.inpt Size: 889KB - Virtual size: 888KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ