ValhallaDSP_KeyGen[.]exe

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General

Target
ValhallaDSP_KeyGen.exe
Size 546KB
Sample260508-jgr84set2y
SHA256 1ab8a4a781c8d3cbc51aedddd70244f4d51c6484923ed6c7df576bf8aabc246e
MD5 b2ecb344f797a67e1dfb83b0422096de
SHA1 5b87dadfa83eba4d95aa5c73dc0ae8586b0cf6e5
SHA512 b5627e11087b659ac89643104112af01addf0d3cc4e50b2ce8f50e9daf98f5bcd1bb63786cc8fbc148ea3214006d6478118b74455d6f0b065be58b441d22bea3
SSDEEP 12288:Uc9t2SllJ/OmkXE0aJ3FyNTdClL8wX1d68P7J:UcLj/oLa9FyZsF8odJ
TLSH
T1F0C41202B4C041D3D8B257B954BFE57277BEFE71996250476BE8FB2A92B3382410B643
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

installer

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
ValhallaDSP_KeyGen.exe
unpack001/$TEMP/BASSMOD.dll
unpack001/$TEMP/R2RJUCE.dll
unpack001/$TEMP/keygen.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

ValhallaDSP_KeyGen.exe

.exe 546KB
$TEMP/BASSMOD.dll

.dll 33KB
$TEMP/R2RJUCE.dll

.dll 242KB
$TEMP/bgm.mod

52KB
$TEMP/keygen.exe

.exe 733KB

ValhallaDSP_KeyGen.exe

IMPHASH b1a57b635b23ffd553b3fd1e0960b2bd
SHA256 1ab8a4a781c8d3cbc51aedddd70244f4d51c6484923ed6c7df576bf8aabc246e
MD5 b2ecb344f797a67e1dfb83b0422096de
SHA1 5b87dadfa83eba4d95aa5c73dc0ae8586b0cf6e5
SHA512 b5627e11087b659ac89643104112af01addf0d3cc4e50b2ce8f50e9daf98f5bcd1bb63786cc8fbc148ea3214006d6478118b74455d6f0b065be58b441d22bea3
SSDEEP 12288:Uc9t2SllJ/OmkXE0aJ3FyNTdClL8wX1d68P7J:UcLj/oLa9FyZsF8odJ
TLSH
T1F0C41202B4C041D3D8B257B954BFE57277BEFE71996250476BE8FB2A92B3382410B643
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

12908

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

GetTickCount GetShortPathNameA GetFullPathNameA MoveFileA SetCurrentDirectoryA GetFileAttributesA SetFileAttributesA CompareFileTime SearchPathA CreateFileA GetFileSize GetModuleFileNameA GetCurrentProcess CopyFileA ExitProcess GetWindowsDirectoryA Sleep lstrcmpiA lstrlenA GetVersion SetErrorMode lstrcpynA GetDiskFreeSpaceA GlobalUnlock GlobalLock CreateThread GetLastError CreateDirectoryA CreateProcessA RemoveDirectoryA GetTempFileNameA lstrcatA GetSystemDirectoryA WaitForSingleObject SetFileTime CloseHandle GlobalFree lstrcmpA ExpandEnvironmentStringsA GetExitCodeProcess GlobalAlloc GetCommandLineA GetTempPathA GetProcAddress FindFirstFileA FindNextFileA DeleteFileA SetFilePointer ReadFile FindClose GetPrivateProfileStringA WritePrivateProfileStringA WriteFile MulDiv MultiByteToWideChar LoadLibraryExA GetModuleHandleA FreeLibrary

user32

SetCursor GetWindowRect EnableMenuItem GetSystemMenu SetClassLongA IsWindowEnabled SetWindowPos GetSysColor EndDialog ScreenToClient LoadCursorA CheckDlgButton GetMessagePos LoadBitmapA CallWindowProcA IsWindowVisible CloseClipboard SetForegroundWindow GetWindowLongA RegisterClassA TrackPopupMenu AppendMenuA CreatePopupMenu GetSystemMetrics SetDlgItemTextA GetDlgItemTextA MessageBoxIndirectA CharPrevA DispatchMessageA PeekMessageA GetDC EnableWindow InvalidateRect SendMessageA DefWindowProcA BeginPaint GetClientRect FillRect DrawTextA SystemParametersInfoA CreateWindowExA GetClassInfoA DialogBoxParamA CharNextA ExitWindowsEx SetTimer PostQuitMessage SetWindowLongA SendMessageTimeoutA LoadImageA wsprintfA GetDlgItem FindWindowExA IsWindow SetClipboardData EmptyClipboard OpenClipboard EndPaint CreateDialogParamA DestroyWindow ShowWindow SetWindowTextA

gdi32

SelectObject SetBkMode CreateFontIndirectA SetTextColor DeleteObject GetDeviceCaps CreateBrushIndirect SetBkColor

shell32

SHGetSpecialFolderLocation SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA SHFileOperationA ShellExecuteA

advapi32

RegDeleteValueA SetFileSecurityA RegOpenKeyExA RegDeleteKeyA RegEnumValueA RegCloseKey RegCreateKeyExA RegSetValueExA RegQueryValueExA RegEnumKeyA

comctl32

ImageList_AddMasked ImageList_Destroy ImageList_Create ord17

ole32

OleUninitialize OleInitialize CoTaskMemFree CoCreateInstance

$TEMP/BASSMOD.dll

SHA256 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
MD5 e4ec57e8508c5c4040383ebe6d367928
SHA1 b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06
SHA512 77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822
SSDEEP 768:qQmS5iUgi5czW+DlrQOS1DeDdjgNtbX4O6DHix84H0:qQz5Tgof+DdpS1+djctLSHiZ0
TLSH
T130F2E1B43B18CDE2DDC807F41FE4E6A879DB92026A13DBC5D697CA97328B4914D42F11
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

73795

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$TEMP/R2RJUCE.dll

IMPHASH 1b8a3a07497727439eb156efd1494cee
SHA256 674a6eafb277261cd6959a4145329ab8b612fe5948fc8daf064192498fa65f92
MD5 90a452c84f7f2b5ca5a61bccaaa17e92
SHA1 3fb5829be5db5af55ee4043f0dce7f9253d800dd
SHA512 41304120d3b2d0489fa82c13abce47fca967c6415e28c05382c0c567a167ff400f7d58b843afdfcc33227d4caa8fbb32af38fa7175fd066631fe1bb82615975b
SSDEEP 3072:BsUYsLox8+vwJMcr7HKKQnpkrsvPmp55kIlzjjrfFO75Ag0Fuev/TBfoxzV7i94:n0x8fO0KD2AvPmbeQNcAOe3TBgDtDc
TLSH
T1BD34AE007491C4B6CABE053048B6EB655BFDB8200B70DDBB6B944E6E0E39681D7727B7
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

52962

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

kernel32

EnterCriticalSection FindNextFileW GetCurrentProcess WriteFile GetModuleHandleExW TerminateProcess GetModuleFileNameW LeaveCriticalSection FindClose GetLocaleInfoW CreateFileW GetCurrentThreadId CreateEventW GetLastError QueryPerformanceFrequency CloseHandle LoadLibraryW GetProcAddress DeleteCriticalSection ExitProcess GetModuleHandleW FreeLibrary QueryPerformanceCounter IsDebuggerPresent SetUnhandledExceptionFilter FlushFileBuffers HeapSize SetStdHandle GetProcessHeap SetEnvironmentVariableW ReadFile FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA FindFirstFileExW ReadConsoleW GetConsoleMode GetConsoleOutputCP SetFilePointerEx GetFileSizeEx GetOEMCP GetACP IsValidCodePage GetFileType GetStdHandle HeapReAlloc EnumSystemLocalesW GetUserDefaultLCID IsValidLocale LCMapStringW CompareStringW HeapAlloc HeapFree WriteConsoleW GetTimeZoneInformation LoadLibraryExW TlsFree TlsSetValue TlsGetValue TlsAlloc SetLastError InterlockedFlushSList RaiseException RtlUnwind InitializeSListHead GetCurrentProcessId IsProcessorFeaturePresent GetStartupInfoW UnhandledExceptionFilter InitializeCriticalSectionAndSpinCount GetCPInfo GetStringTypeW LCMapStringEx MultiByteToWideChar DecodePointer EncodePointer InitializeCriticalSectionEx WideCharToMultiByte GetSystemTimeAsFileTime

winmm

timeBeginPeriod

$TEMP/keygen.exe

IMPHASH 61baf0ac33a569be37eaea52c317de1e
SHA256 08465a9e71f03c17ddb6f360704fdccd0c3383905fb382c90ac4ca6f18c1b50c
MD5 b35e921e00d8d3beb5b6a1ec7cac3c2b
SHA1 e55238d705e540e1ab9f38af817049139cc03e59
SHA512 c4d4f325f1a86691e7246bdde1a4eb9ebe196e1aa6d27d3d7ab682dee0a57a2c8b4678ec1f7b096f8e87926ce658a99c036dac7c07d443f421f062874633c311
SSDEEP 6144:bcmzikEPDonRgNgz1+hw6hNgPfHv9PAimIAOxNAW7sdNsenNuEtVcgjrw1CKK:bc/kEPDonR6Y436vRoseNBQK
TLSH
T156F45E149E50EAEEC6EC012D7119397B9FF665A3071978C2CFB827A67E41F83C56D0A0
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

155256

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

comctl32

_TrackMouseEvent ord17

msimg32

GradientFill

kernel32

FreeEnvironmentStringsA UnhandledExceptionFilter VirtualQuery VirtualProtect GetStringTypeW GetStringTypeA IsValidCodePage IsValidLocale EnumSystemLocalesA GetLocaleInfoA GetUserDefaultLCID GetCPInfo GetOEMCP GetACP HeapSize SetUnhandledExceptionFilter WriteFile GetFileType GetStdHandle SetHandleCount IsBadWritePtr VirtualAlloc VirtualFree HeapCreate HeapDestroy ReadFile CloseHandle LCMapStringW LCMapStringA SetFilePointer GetCurrentProcess TerminateProcess ExitProcess GetVersionExA GetStartupInfoA GetModuleHandleA SetCurrentDirectoryA SetEnvironmentVariableA CreateDirectoryA GetFullPathNameA GetCurrentDirectoryA GetDriveTypeA HeapReAlloc RtlUnwind RaiseException HeapFree HeapAlloc FreeEnvironmentStringsW GetEnvironmentStringsW SetStdHandle FlushFileBuffers CreateFileA IsBadReadPtr IsBadCodePtr QueryPerformanceCounter GetLocalTime FindFirstFileA FindNextFileA GetLastError FindClose DeleteFileA GetShortPathNameA GlobalLock GlobalUnlock MulDiv GlobalAlloc GlobalFree WideCharToMultiByte MultiByteToWideChar WinExec GetWindowsDirectoryA GetSystemDirectoryA GetSystemInfo GlobalMemoryStatus GetVersion GetComputerNameA FreeLibrary LoadLibraryA GetProcAddress GetCommandLineA Sleep GetTickCount GetModuleFileNameA GetLocaleInfoW GetCurrentThreadId GetCurrentProcessId GetSystemTimeAsFileTime InterlockedExchange SetEndOfFile GetEnvironmentStrings

user32

UnregisterClassA AdjustWindowRectEx LoadIconA LoadCursorA RegisterClassA PostQuitMessage DefWindowProcA InvalidateRect BeginPaint EndPaint FillRect TabbedTextOutA GetSysColor MoveWindow ReleaseDC GetClassLongA SetClassLongA SetWindowLongA IsWindowEnabled EnableWindow SetFocus GetFocus GetWindowLongA GetClientRect InflateRect DrawFocusRect DrawTextA PostMessageA SetWindowTextA GetDlgItemTextA GetDlgCtrlID IsDlgButtonChecked CallWindowProcA FindWindowA MsgWaitForMultipleObjects PeekMessageA GetMessageA TranslateMessage DispatchMessageA MapVirtualKeyA GetWindowRect SetActiveWindow SetWindowPos GetAsyncKeyState GetCursorPos ShowCursor SetCursorPos MessageBoxA EnumDisplaySettingsA ChangeDisplaySettingsA CreateWindowExA ShowWindow SendMessageA DestroyWindow GetDC GetSystemMetrics GetActiveWindow

gdi32

CreateDIBSection CreateCompatibleDC Rectangle DeleteDC SetBkColor SetStretchBltMode StretchBlt Ellipse MoveToEx LineTo SetPixel GetPixel GetTextExtentPoint32A SetDIBColorTable CreatePalette CreatePen GetTextMetricsA SelectPalette RealizePalette BitBlt SelectObject SetBkMode SetTextColor GetStockObject CreateFontIndirectA DeleteObject CreateSolidBrush GetDeviceCaps

comdlg32

GetSaveFileNameA ChooseColorA GetOpenFileNameA

advapi32

GetUserNameA

shell32

ShellExecuteA ShellExecuteExA SHGetSpecialFolderPathA

ole32

CoCreateInstance IIDFromString CLSIDFromProgID CoUninitialize CreateStreamOnHGlobal OleUninitialize CoInitializeEx OleInitialize

oleaut32

SafeArrayGetUBound SafeArrayGetLBound SafeArrayGetVartype SafeArrayCopy OleLoadPicture SafeArrayGetElement VariantClear VariantInit SafeArrayAccessData SafeArrayGetDim SafeArrayUnaccessData SafeArrayCreate SysFreeString SysAllocStringByteLen VariantChangeType VariantCopyInd VariantCopy SysAllocString SafeArrayPutElement

winmm

sndPlaySoundA mciSendStringA timeEndPeriod timeGetDevCaps timeBeginPeriod timeGetTime

ValhallaDSP_KeyGen.exe

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

generic

$TEMP/BASSMOD.dll

generic

$TEMP/R2RJUCE.dll

kernel32

winmm

generic

$TEMP/bgm.mod

$TEMP/keygen.exe

comctl32

msimg32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

winmm

generic