Behavioral task
behavioral1
Sample
scvhost.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
scvhost.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
scvhost.exe
Resource
android-x64-arm64-20240624-en
Behavioral task
behavioral4
Sample
scvhost.exe
Resource
android-33-x64-arm64-20240624-en
Behavioral task
behavioral5
Sample
scvhost.exe
Resource
macos-20241101-en
Behavioral task
behavioral6
Sample
scvhost.exe
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral7
Sample
scvhost.exe
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral8
Sample
scvhost.exe
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral9
Sample
scvhost.exe
Resource
debian9-mipsel-20240418-en
General
-
Target
scvhost.exe
-
Size
500KB
-
MD5
e04becb4c8ff826e5e5aa305dee074bc
-
SHA1
07bf49663c9c76e4a468a98f2fe3a55977432a39
-
SHA256
5fa8c4ab6dc45672099078277903cce8e86ae1e310f24a0dd9862166e3c0e30c
-
SHA512
cb4c086df9395d1ebc68cc576d241e584c454e45db5365ed2196f0529cb6c2cad70b0f061e7fced4d980f10aabf8829f6e69602be8e086f73d9c1aa7d4d48fa2
-
SSDEEP
12288:uKWAb1TS+OeO+OeNhBBhhBB8dBwD9EX1hQvuqN/4fsw86:uKWe+dBk9EFO7NQh
Malware Config
Extracted
mespinoza
-
ransomnote
Hi Company, Every byte on any types of your devices was encrypted. Don't try to use backups because it were encrypted too. To get all your data back contact us: [email protected] Also, be aware that we downloaded files from your servers and in case of non-payment we will be forced to upload them on our website, and if necessary, we will sell them on the darknet. Check out our website, we just posted there new updates for our partners: http://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.onion/ To go to our site you have to use TOR Browser. Download link: https://www.torproject.org/download/ -------------- FAQ: 1. Q: How can I make sure you don't fooling me? A: You can send us 2 files(max 2mb). 2. Q: What to do to get all data back? A: Don't restart the computer, don't move files and write us. 3. Q: What if I have no response? A: Wait and we will answer you in 24 hours. 4. Q: What to tell my boss? A: Protect Your System Amigo.
Signatures
-
Mespinoza family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource scvhost.exe
Files
-
scvhost.exe.exe windows:5 windows x86 arch:x86
b5e8bd2552848bb7bf2f28228d014742
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
kernel32
CreateFileA
GetFileAttributesExW
FindFirstFileW
FindNextFileW
ReleaseMutex
CreateMutexA
OpenMutexA
FreeConsole
HeapAlloc
HeapFree
GetProcessHeap
GetTempPathA
CreateThread
WaitForMultipleObjects
GetLastError
SetLastError
QueryPerformanceCounter
QueryPerformanceFrequency
CreateFileW
ReadConsoleW
WriteConsoleW
GetDriveTypeW
GetModuleFileNameA
GetLogicalDriveStringsW
CloseHandle
FindClose
ExitProcess
WriteFile
SetStdHandle
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
ResetEvent
WaitForSingleObjectEx
InitializeSListHead
IsProcessorFeaturePresent
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
InterlockedPushEntrySList
RaiseException
RtlUnwind
FreeLibrary
LoadLibraryExW
MoveFileExW
HeapReAlloc
GetModuleHandleExW
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
HeapSize
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEndOfFile
user32
wsprintfW
wsprintfA
advapi32
CryptReleaseContext
CryptAcquireContextA
RegSetValueExA
RegOpenKeyExA
RegCloseKey
CryptGenRandom
shell32
ShellExecuteA
Sections
.text Size: 353KB - Virtual size: 352KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 106KB - Virtual size: 106KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ