KeyGen[.]exe | Triage™

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General

Target
KeyGen.exe
Size 708KB
Sample260930-tf4wmaca65
SHA256 17bfda2d300d5321642789fd5b826318735766d5e5d5c9b2e7c93e520ad87881
MD5 e4ad77c21fb6497dd469e9e50036832b
SHA1 9275ac1286c9ecec3e704d8eea4708295dee1819
SHA512 1a4addaaa94aedfc57378c393443ae67240ff0852fd9a1fa4e44a12832505ae0d6c256f419cd677dc3575b196b68d4b688e4b8291267523a58359ca8e5d10d43
SSDEEP 12288:XYkc9t2Sll/3Mn6WeH3lgoN8YWo/Pv7vnXvWNqTf6WfydeLPwsgjrPO9:XYkcL53Mnmr4E7n/WNqundIwsg+9
TLSH
T1F0F42351EA5945C7C8A30B7114BFAE5232BA9E390AB3274B1359BB3DF4F3351121A783
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 4 IoCs

Checks for missing Authenticode signature.

resource
KeyGen.exe
unpack001/$TEMP/BASSMOD.dll
unpack001/$TEMP/R2RUHEKG.dll
unpack001/$TEMP/keygen.exe

File Explorer

KeyGen.exe

.exe 708KB
$TEMP/BASSMOD.dll

.dll 33KB
$TEMP/R2RUHEKG.dll

.dll 3KB
$TEMP/bgm.xm

783KB
$TEMP/keygen.exe

.exe 554KB

KeyGen.exe

IMPHASH 61259b55b8912888e90f516ca08dc514
SHA256 17bfda2d300d5321642789fd5b826318735766d5e5d5c9b2e7c93e520ad87881
MD5 e4ad77c21fb6497dd469e9e50036832b
SHA1 9275ac1286c9ecec3e704d8eea4708295dee1819
SHA512 1a4addaaa94aedfc57378c393443ae67240ff0852fd9a1fa4e44a12832505ae0d6c256f419cd677dc3575b196b68d4b688e4b8291267523a58359ca8e5d10d43
SSDEEP 12288:XYkc9t2Sll/3Mn6WeH3lgoN8YWo/Pv7vnXvWNqTf6WfydeLPwsgjrPO9:XYkcL53Mnmr4E7n/WNqundIwsg+9
TLSH
T1F0F42351EA5945C7C8A30B7114BFAE5232BA9E390AB3274B1359BB3DF4F3351121A783
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

13888

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH 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

advapi32

RegCreateKeyExW RegEnumKeyW RegQueryValueExW RegSetValueExW RegCloseKey RegDeleteValueW RegDeleteKeyW AdjustTokenPrivileges LookupPrivilegeValueW OpenProcessToken SetFileSecurityW RegOpenKeyExW RegEnumValueW

shell32

SHGetSpecialFolderLocation SHFileOperationW SHBrowseForFolderW SHGetPathFromIDListW ShellExecuteExW SHGetFileInfoW

ole32

OleInitialize OleUninitialize CoCreateInstance IIDFromString CoTaskMemFree

comctl32

ord17 ImageList_Create ImageList_Destroy ImageList_AddMasked

user32

GetClientRect EndPaint DrawTextW IsWindowEnabled DispatchMessageW wsprintfA CharNextA CharPrevW MessageBoxIndirectW GetDlgItemTextW SetDlgItemTextW GetSystemMetrics FillRect AppendMenuW TrackPopupMenu OpenClipboard SetClipboardData CloseClipboard IsWindowVisible CallWindowProcW GetMessagePos CheckDlgButton LoadCursorW SetCursor GetSysColor SetWindowPos GetWindowLongW PeekMessageW SetClassLongW GetSystemMenu EnableMenuItem GetWindowRect ScreenToClient EndDialog RegisterClassW SystemParametersInfoW CreateWindowExW GetClassInfoW DialogBoxParamW CharNextW ExitWindowsEx DestroyWindow CreateDialogParamW SetTimer SetWindowTextW PostQuitMessage SetForegroundWindow ShowWindow wsprintfW SendMessageTimeoutW FindWindowExW IsWindow GetDlgItem SetWindowLongW LoadImageW GetDC ReleaseDC EnableWindow InvalidateRect SendMessageW DefWindowProcW BeginPaint EmptyClipboard CreatePopupMenu

gdi32

SetBkMode SetBkColor GetDeviceCaps CreateFontIndirectW CreateBrushIndirect DeleteObject SetTextColor SelectObject

kernel32

GetExitCodeProcess WaitForSingleObject GetModuleHandleA GetProcAddress GetSystemDirectoryW lstrcatW Sleep lstrcpyA WriteFile GetTempFileNameW lstrcmpiA RemoveDirectoryW CreateProcessW CreateDirectoryW GetLastError CreateThread GlobalLock GlobalUnlock GetDiskFreeSpaceW WideCharToMultiByte lstrcpynW lstrlenW SetErrorMode GetVersionExW GetCommandLineW GetTempPathW GetWindowsDirectoryW SetEnvironmentVariableW CopyFileW ExitProcess GetCurrentProcess GetModuleFileNameW GetFileSize CreateFileW GetTickCount MulDiv SetFileAttributesW GetFileAttributesW SetCurrentDirectoryW MoveFileW GetFullPathNameW GetShortPathNameW SearchPathW CompareFileTime SetFileTime CloseHandle lstrcmpiW lstrcmpW ExpandEnvironmentStringsW GlobalFree GlobalAlloc GetModuleHandleW LoadLibraryExW MoveFileExW FreeLibrary WritePrivateProfileStringW GetPrivateProfileStringW lstrlenA MultiByteToWideChar ReadFile SetFilePointer FindClose FindNextFileW FindFirstFileW DeleteFileW

$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.

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/R2RUHEKG.dll

IMPHASH 4b00cf4dd6a2b78139e1f574da6dc8d8
SHA256 940f041a89d78bf62b32771023553f9f3b867d58dd87af679508fff6ed0e9144
MD5 abcbaa94b4d828f5c3080c5ddbbbf403
SHA1 42f8010079fb6222f97557fff9377a7276189968
SHA512 24799c073c878f9d2fbf0b8e01dbe0abcf183b950dd991e7a504cfb5f1d370edc558896b7a4607271569bd2fa512b5d76e6f94155955da5bf67e0a8a12a75465
TLSH
T149712073B7B646B6EF39473D1643F69C62F9312013299B48678310963C64CC2752BF55
MD5 SHA1 SHA512 TLSH

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4096

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$TEMP/keygen.exe

IMPHASH 61baf0ac33a569be37eaea52c317de1e
SHA256 b98872bfda93afc1c34ead787762425db922b557b5526e8d0b1e10a4bbeb0b57
MD5 ba7e85562433a89ce3fab455644b3d44
SHA1 d84aa7a4128af9ca4b535d17f498f2e70bb5879c
SHA512 4edcfa12c003215bd4f983ffe879fcd336f0cd167ef0708f8e28d7eec6db245c59324026821d020de8df7f0a711737a5b0ec56c48e0de7bfc0d3a91272524dad
SSDEEP 6144:bcmzikEPDonRgNgz1+hw6hNgPfHv9PAimIAO06/lDuy:bc/kEPDonR6Y436vR1/Ey
TLSH
T1C2C45D4DEAB185EFD8F2133B044A2AF4E5A1A32D6751D0FF92E325B443753E6C4246E8
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

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

KeyGen.exe

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

generic

$TEMP/BASSMOD.dll

generic

$TEMP/R2RUHEKG.dll

msvcrt

user32

generic

$TEMP/bgm.xm

$TEMP/keygen.exe

comctl32

msimg32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

winmm

generic