Static task
static1
Behavioral task
behavioral1
Sample
Pysa_08_04_2021_500KB.exe
Resource
ubuntu1804-amd64-en-20211208
General
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Target
Pysa_08_04_2021_500KB.exe
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Size
500KB
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MD5
d751f54365181f544f908cc9ae3c91c5
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SHA1
51cbc9455b7781cf0529f299631e59016fe52e95
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SHA256
af99b482eb0b3ff976fa719bf0079da15f62a6c203911655ed93e52ae05c4ac8
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SHA512
04497dcac535c18247b13634db35a3a53369719696e700ff2c45637c616f6932ba22ddad2e3925055c92e5922f38c34f09ce8d87106f894a7a586ad0d41e6d33
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SSDEEP
12288:oDMUibBYoo+OeO+OeNhBBhhBB7TRU+FR+q1mITXimIscFa:KMUiFTTRU+3+qAILfo
Malware Config
Extracted
mespinoza
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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] [email protected] [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://wqmfzni2nvbbpk25.onion/ -------------- 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 to tell my boss? A: Protect Your System Amigo.
Signatures
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Mespinoza family
Files
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Pysa_08_04_2021_500KB.exe.exe windows x86
b5e8bd2552848bb7bf2f28228d014742
Code Sign
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: 352KB - 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