Ursa Major[.]exe

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General

Target

Ursa Major.exe
Size

103KB
MD5

4f6eb1a44bcc7a46f325b787225c22f0
SHA1

692bfd963debd0bb3d57027dbac3c6d13d166b24
SHA256

455812c6a35a99ac4cb753b48aa032c56e494420df71126c0ab25d5bfd831414
SHA512

1d8cb6a4ccb55d9450e49b90d0ae8bbb4272d0b2342bf08eb2d707fdc2e706267b4ca910f20a0642eff8896ee0ff2e3289de57691ca648ea00c431011e54c1f3
SSDEEP

3072:X70oM2GyFycS0nb59Oxj12MDf+YN7qskZ31:X70oMHcz5AbJqt31

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Ursa Major.exe

Files

Ursa Major.exe
.exe windows:6 windows x86 arch:x86

58878eae069e6161aaf5c9e3da9a1f1c

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

PDB Paths

C:\Users\Senad\source\repos\Ursa Major\Release\Ursa Major.pdb

Imports

kernel32

HeapSize
HeapReAlloc
GetProcessHeap
GetStringTypeW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
WriteConsoleW
GetTickCount
ExitProcess
CreateThread
CloseHandle
TerminateThread
Sleep
GetFileType
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwind
RaiseException
GetLastError
SetLastError
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
GetModuleHandleExW
LCMapStringW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
DecodePointer

user32

GetSystemMetrics
GetCursorPos
ReleaseDC
SetCursorPos
GetDesktopWindow
GetWindowRect
GetDC
DrawIconEx
FillRect
MessageBoxW
DrawIcon
LoadIconW

gdi32

BitBlt
CreateCompatibleBitmap
SelectObject
CreateDIBSection
CreateCompatibleDC
StretchBlt
PlgBlt
GetStockObject
CreateRectRgn
DeleteDC
Rectangle
SelectClipRgn
Ellipse
DeleteObject
CreateSolidBrush

winmm

waveOutPrepareHeader
waveOutOpen
waveOutClose
waveOutUnprepareHeader
waveOutWrite

msimg32

AlphaBlend

Sections

.text
Size: 60KB - Virtual size: 59KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

58878eae069e6161aaf5c9e3da9a1f1c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

winmm

msimg32

Sections

.text Size: 60KB - Virtual size: 59KB

.rdata Size: 29KB - Virtual size: 29KB

.data Size: 2KB - Virtual size: 4KB

.rsrc Size: 6KB - Virtual size: 5KB

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 60KB - Virtual size: 59KB

.rdata
Size: 29KB - Virtual size: 29KB

.data
Size: 2KB - Virtual size: 4KB

.rsrc
Size: 6KB - Virtual size: 5KB

.reloc
Size: 4KB - Virtual size: 4KB