6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5

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General

Target
6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5
Size 9.4MB
Sample260706-m4rsmsd131
SHA256 6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5
MD5 139772b2a5bb33edaa74ecd9acd42b4c
SHA1 6b5ac072c9e82331366e753d499fa93ccfe7a283
SHA512 97e713a8a57fb6cac35b1492cb81cef8ca2d0368da122972dbacf5926f62d6820e97585eab92a1f39ff66eacc7c2a0cd3405050da5c74de355b237a6924810b8
SSDEEP 98304:IcNiwl3ICetWavmZJOPgBkCb+IUsSVCC:IcNihPPgBkCKR
TLSH
T1AFA66CD17F40FDE4E8164432552288FABFD23C10A6203D7625B27A2FEF3A7595A1F50A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5

File Explorer

6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5

.exe 9.4MB

6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5

IMPHASH c9a9d181bf9b5a60b5de608e462513ee
SHA256 6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5
MD5 139772b2a5bb33edaa74ecd9acd42b4c
SHA1 6b5ac072c9e82331366e753d499fa93ccfe7a283
SHA512 97e713a8a57fb6cac35b1492cb81cef8ca2d0368da122972dbacf5926f62d6820e97585eab92a1f39ff66eacc7c2a0cd3405050da5c74de355b237a6924810b8
SSDEEP 98304:IcNiwl3ICetWavmZJOPgBkCb+IUsSVCC:IcNihPPgBkCKR
TLSH
T1AFA66CD17F40FDE4E8164432552288FABFD23C10A6203D7625B27A2FEF3A7595A1F50A
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

388284

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

Dropbox.pdb

dropbox_core

apex_context_get_current bootstrap_application bootstrap_cleanup_application bootstrap_event_loop dbxlog_log bootstrap_abort

advapi32

ConvertSidToStringSidA EventWrite EventRegister RevertToSelf RegDisablePredefinedCache RegOpenKeyExW RegCloseKey SetTokenInformation OpenProcessToken GetKernelObjectSecurity GetSecurityDescriptorSacl GetAce SetKernelObjectSecurity DuplicateTokenEx MapGenericMask AccessCheck InitializeSid GetSidSubAuthority IsValidSid GetLengthSid CreateWellKnownSid ConvertStringSidToSidW ConvertSidToStringSidW EqualSid CreateProcessAsUserW SetThreadToken RegCreateKeyExW RegQueryValueExW CreateRestrictedToken LookupPrivilegeValueW AdjustTokenPrivileges BuildTrusteeWithSidW SetEntriesInAclW GetSecurityInfo SetSecurityInfo InitializeAcl AddMandatoryAce FreeSid ImpersonateLoggedOnUser GetNamedSecurityInfoW GetSecurityDescriptorDacl SystemFunction036 DuplicateToken GetTokenInformation EventUnregister

kernel32

FreeEnvironmentStringsW WriteConsoleW GetStdHandle SetEnvironmentVariableW GetFileType OpenMutexW FreeLibrary GetProcAddress LoadLibraryW SetDllDirectoryW GetModuleHandleA GetLastError HeapSetInformation GetCurrentThread GetCurrentProcess CreateIoCompletionPort SetLastError CreateEventW CreateThread ResetEvent GetQueuedCompletionStatus SetEvent UnregisterWait RegisterWaitForSingleObject TerminateJobObject PostQueuedCompletionStatus WaitForSingleObject GetModuleHandleExW SetInformationJobObject DuplicateHandle GetCurrentThreadId TerminateProcess GetUserDefaultLangID GetUserDefaultLCID GetUserDefaultLocaleName EnumSystemLocalesEx HeapDestroy GetTickCount GetVersionExW GetProductInfo GetNativeSystemInfo GetModuleHandleW IsWow64Process TryAcquireSRWLockExclusive ReleaseSRWLockExclusive UnregisterWaitEx Sleep IsDebuggerPresent RaiseException CloseHandle GetThreadId SetThreadPriority GetThreadPriority SetHandleInformation LocalFree AssignProcessToJobObject WriteProcessMemory CreateFileMappingW MapViewOfFile ReadProcessMemory GetCurrentProcessorNumber SetThreadAffinityMask VirtualFree GetProcessHeaps ExpandEnvironmentStringsW GetCurrentProcessId LoadLibraryExW AcquireSRWLockExclusive QueryPerformanceCounter GetSystemTimeAsFileTime QueryPerformanceFrequency QueryThreadCycleTime CreateJobObjectW QueryInformationJobObject GetModuleFileNameW CreateFileW GetCurrentDirectoryW GetLocalTime OutputDebugStringA WriteFile FormatMessageA CreateNamedPipeW VirtualAllocEx VirtualProtectEx DeleteProcThreadAttributeList InitializeProcThreadAttributeList UpdateProcThreadAttribute CreateMutexW UnmapViewOfFile GetFileAttributesW QueryDosDeviceW GetLongPathNameW VirtualFreeEx GetProcessHandleCount HeapSize GetCommandLineW CreateDirectoryW ReadFile SetCurrentDirectoryW TlsGetValue VerSetConditionMask VerifyVersionInfoW GetProcessTimes lstrlenW DebugBreak SetFilePointerEx GetFileSizeEx SetEndOfFile FlushFileBuffers FindClose FindNextFileW FindFirstFileExW RtlUnwind SetUnhandledExceptionFilter RtlCaptureStackBackTrace TlsAlloc TlsFree TlsSetValue CreateRemoteThread WideCharToMultiByte MultiByteToWideChar RtlLookupFunctionEntry RtlVirtualUnwind GetOEMCP GetACP IsValidCodePage ReadConsoleW HeapReAlloc EnumSystemLocalesW IsValidLocale GetLocaleInfoW LCMapStringW CompareStringW HeapFree HeapAlloc GetProcessHeap SetStdHandle GetConsoleMode GetConsoleOutputCP ExitProcess GetCommandLineA RtlUnwindEx RtlPcToFileHeader GetCPInfo GetStringTypeW LCMapStringEx DecodePointer EncodePointer InitializeCriticalSectionEx IsProcessorFeaturePresent GetStartupInfoW UnhandledExceptionFilter RtlCaptureContext InitializeSListHead WaitForSingleObjectEx DeleteCriticalSection InitializeCriticalSectionAndSpinCount LeaveCriticalSection EnterCriticalSection GetEnvironmentStringsW

ole32

CoTaskMemFree CoInitializeEx CoUninitialize

shell32

SHGetKnownFolderPath ShellExecuteW

shlwapi

PathIsNetworkPathW

user32

SendMessageW FindWindowW GetThreadDesktop CloseDesktop GetWindowThreadProcessId AllowSetForegroundWindow CloseWindowStation GetUserObjectInformationW GetProcessWindowStation CreateWindowStationW SetProcessWindowStation CreateDesktopW

winmm

timeGetTime

ws2_32

WSASocketW WSADuplicateSocketW WSAGetLastError closesocket WSASetLastError

comctl32

ord345

Name

.text

Size

610KB

Virtual Size

610KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

133KB

Virtual Size

133KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

11KB

Virtual Size

26KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

24KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

_RDATA

Size

512B

Virtual Size

244B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

8.0MB

Virtual Size

8.0MB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

590KB

Virtual Size

592KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

6e23588134b486967c486ff80a41100810e09d58e8930edd65673c816c4976e5

dropbox_core

advapi32

kernel32

ole32

shell32

shlwapi

user32

winmm

ws2_32

comctl32

generic