meduza | oclo[.]exe

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General

Target

oclo.exe
Size

1.1MB
MD5

0013399a6a9ab2e3fb25451ed658daa1
SHA1

77731500657e6658c6d1b4d09de3fae4f756efef
SHA256

0646980e8e68974948861e60bd4497d17464da101ec697241ba8ea96d86d22c6
SHA512

3e5a3df2aa90b429fd0a37cc9a02140e3d2324d1291fbd32452260c9374afbaf7243dd59d4a2e1964bfb9ce7474eee89d349648ca80da35c24f52ec9664e18b4
SSDEEP

24576:7BZ3miL8zJa5e9AISUzOL9A5q9IbwQmzXrbv4nlxlGfGeIVuj:j3miL8Me9AISUzCDewQ0X4g+eIVu

Score

10^/10

meduza

Malware Config

Signatures

Meduza Stealer payload 1 IoCs

resource	yara_rule
sample	family_meduza

Meduza family
meduza

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
oclo.exe

Files

oclo.exe
.exe windows:6 windows x64 arch:x64

2c34752585cf27cdff9273031768b19e

Headers

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

Imports

ws2_32

inet_pton
WSAStartup
send
socket
connect
recv
closesocket
htons
WSACleanup

crypt32

CryptUnprotectData

wininet

HttpQueryInfoW
InternetQueryDataAvailable
InternetReadFile
InternetCloseHandle
InternetOpenW
InternetOpenA
InternetOpenUrlA

ntdll

NtQuerySystemInformation
RtlInitUnicodeString
NtAllocateVirtualMemory
LdrEnumerateLoadedModules
RtlAcquirePebLock
RtlReleasePebLock
NtQueryObject

rstrtmgr

RmGetList
RmStartSession
RmRegisterResources
RmEndSession

kernel32

CompareStringEx
LCMapStringEx
FindFirstFileW
FindNextFileW
FindClose
OpenProcess
CreateToolhelp32Snapshot
Process32NextW
LoadLibraryA
Process32FirstW
CloseHandle
GetSystemInfo
GetProcAddress
LocalFree
FreeLibrary
ExitProcess
MultiByteToWideChar
WideCharToMultiByte
TerminateProcess
GetModuleFileNameW
CreateMutexA
ReleaseMutex
OpenMutexA
ReadFile
GetModuleFileNameA
GetVolumeInformationW
SetHandleInformation
GetGeoInfoA
HeapFree
EnterCriticalSection
GetCurrentProcess
GetStdHandle
GetProcessId
LeaveCriticalSection
CreatePipe
SetFilePointer
InitializeCriticalSectionEx
FreeEnvironmentStringsW
GetModuleHandleA
HeapSize
GetLogicalDriveStringsW
GetFinalPathNameByHandleA
GetTimeZoneInformation
GetLastError
lstrcatW
HeapReAlloc
HeapAlloc
GetUserGeoID
DecodePointer
GetFileSize
DeleteCriticalSection
GetComputerNameW
GetProcessHeap
GlobalMemoryStatusEx
GetModuleHandleW
lstrcpyW
SetLastError
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetCurrentProcessId
GetSystemTimeAsFileTime
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
VirtualAlloc
VirtualProtect
VirtualQuery
GetFileSizeEx
SetFilePointerEx
GetCurrentThreadId
GetFileType
GetStartupInfoW
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitializeCriticalSectionAndSpinCount
LoadLibraryExW
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadConsoleW
RaiseException
SetStdHandle
IsValidCodePage
GetACP
SetEndOfFile
GetCPInfo
GetStringTypeW
CreateFileW
WriteConsoleW
OutputDebugStringW
SetEnvironmentVariableW
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
QueryPerformanceCounter
InitializeSListHead
RtlUnwindEx
RtlUnwind
RtlPcToFileHeader
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetNativeSystemInfo
GetFileInformationByHandleEx
GetEnvironmentStringsW
CreateProcessA
GetOEMCP
AreFileApisANSI
GetTempPathW
SetFileInformationByHandle
GetFileAttributesExW
GetFileAttributesW
FindFirstFileExW
GetCurrentDirectoryW
GetLocaleInfoEx
FormatMessageA

user32

EnumDisplayDevicesW
GetDesktopWindow
GetWindowRect
ReleaseDC
GetSystemMetrics
GetDC

gdi32

CreateCompatibleBitmap
SelectObject
CreateCompatibleDC
BitBlt
DeleteDC
GetObjectW
DeleteObject
GetDeviceCaps

advapi32

GetCurrentHwProfileW
RegCloseKey
RegGetValueA
RegQueryValueExA
OpenProcessToken
RegOpenKeyExA
GetUserNameW
RegEnumKeyExA
GetTokenInformation
CredEnumerateA
CredFree

shell32

SHGetKnownFolderPath
ShellExecuteW

ole32

CoInitializeSecurity
CoGetObject
CoTaskMemFree
CoUninitialize
CoCreateInstance
CoSetProxyBlanket
CoInitializeEx

oleaut32

SysAllocStringByteLen
SysFreeString
SysStringByteLen

shlwapi

ord12
ord213
ord214
ord184

gdiplus

GdipSaveImageToStream
GdipGetImageEncodersSize
GdipFree
GdiplusStartup
GdiplusShutdown
GdipGetImageEncoders
GdipCloneImage
GdipAlloc
GdipCreateBitmapFromHBITMAP
GdipDisposeImage
GdipCreateBitmapFromScan0

Sections

.text
Size: 860KB - Virtual size: 859KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 174KB - Virtual size: 173KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2c34752585cf27cdff9273031768b19e

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

crypt32

wininet

ntdll

rstrtmgr

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

gdiplus

Sections

.text Size: 860KB - Virtual size: 859KB

.rdata Size: 174KB - Virtual size: 173KB

.data Size: 24KB - Virtual size: 33KB

.pdata Size: 28KB - Virtual size: 27KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 860KB - Virtual size: 859KB

.rdata
Size: 174KB - Virtual size: 173KB

.data
Size: 24KB - Virtual size: 33KB

.pdata
Size: 28KB - Virtual size: 27KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 3KB - Virtual size: 3KB