h2_installer[.]exe

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General

Target
h2_installer.exe
Size 1.8MB
Sample260813-esd4eazvcx
SHA256 256294c52f5c8c4e29b4a79933bea3b72364849f4477115ae9c70419d3e2a8f5
MD5 e6da48cd977439695ac6af11bb7a83d7
SHA1 f09a4f744dfb093a758b665c1a9af250502887d6
SHA512 857d6b0ed592fe450341f91c250b1165d08fb7832b462375d9130961d0bfc4d00583011ddd0805148ccc9c7b9ef7f113626076287f0996e2f211f67d9b4a7856
SSDEEP 49152:Wmg1IvIfE0oAxx7R8JALDNQjOpvHCFv8i:Wmg1IvIfJowhC0Dp+D
TLSH
T13795129EB1809987DD1263781119FB3952D34EC5F168976E4AF1BC1B7CB33822CB69C2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
h2_installer.exe
unpack001/$PLUGINSDIR/StartMenu.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsDialogs.dll
unpack001/$PLUGINSDIR/nsis_tauri_utils.dll
unpack001/h2.exe

File Explorer

h2_installer.exe

.exe 1.8MB
$PLUGINSDIR/StartMenu.dll

.dll 7KB
$PLUGINSDIR/System.dll

.dll 12KB
$PLUGINSDIR/modern-header.bmp

25KB
$PLUGINSDIR/modern-wizard.bmp

150KB
$PLUGINSDIR/nsDialogs.dll

.dll 9KB
$PLUGINSDIR/nsis_tauri_utils.dll

.dll 33KB
h2.exe

.exe 3.9MB

h2_installer.exe

IMPHASH 46ce5c12b293febbeb513b196aa7f843
SHA256 256294c52f5c8c4e29b4a79933bea3b72364849f4477115ae9c70419d3e2a8f5
MD5 e6da48cd977439695ac6af11bb7a83d7
SHA1 f09a4f744dfb093a758b665c1a9af250502887d6
SHA512 857d6b0ed592fe450341f91c250b1165d08fb7832b462375d9130961d0bfc4d00583011ddd0805148ccc9c7b9ef7f113626076287f0996e2f211f67d9b4a7856
SSDEEP 49152:Wmg1IvIfE0oAxx7R8JALDNQjOpvHCFv8i:Wmg1IvIfJowhC0Dp+D
TLSH
T13795129EB1809987DD1263781119FB3952D34EC5F168976E4AF1BC1B7CB33822CB69C2
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

13983

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

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

shell32

SHGetPathFromIDListW SHBrowseForFolderW SHGetFileInfoW SHFileOperationW ShellExecuteExW

ole32

CoCreateInstance OleUninitialize OleInitialize IIDFromString CoTaskMemFree

comctl32

ImageList_Destroy ord17 ImageList_AddMasked ImageList_Create

user32

MessageBoxIndirectW GetDlgItemTextW SetDlgItemTextW CreatePopupMenu AppendMenuW TrackPopupMenu OpenClipboard EmptyClipboard SetClipboardData CloseClipboard IsWindowVisible CallWindowProcW GetMessagePos CheckDlgButton LoadCursorW SetCursor GetSysColor SetWindowPos GetWindowLongW IsWindowEnabled SetClassLongW GetSystemMenu EnableMenuItem GetWindowRect ScreenToClient EndDialog RegisterClassW SystemParametersInfoW CharPrevW 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 GetClientRect FillRect DrawTextW EndPaint CharNextA wsprintfA DispatchMessageW CreateWindowExW PeekMessageW GetSystemMetrics

gdi32

GetDeviceCaps SetBkColor SelectObject DeleteObject CreateBrushIndirect CreateFontIndirectW SetBkMode SetTextColor

kernel32

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

$PLUGINSDIR/StartMenu.dll

IMPHASH 646971a3aef724d6f553f40ae84fe26b
SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
MD5 b9b71990b37e04a56cadbcbfa694f30f
SHA1 3b7627deb793446d6b12b7b94266cc592982a5c2
SHA512 b4aa947aba471ce0ba37ab859391f6a157887c882c920a3081d482f63a83317ae75b428ebae226f835798517abb676114ee42bf13bd4c4291cebbb5e9658f2e5
SSDEEP 96:VIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/x3lkCTcaqHCI:ShE+A0+sF6piUFkA1lncviI
TLSH
T1FFF1C776F3D20673F9AB427428632F231B2AF521576581A7890316CE7A61DE3FD34B11
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

6430

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_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/System.dll

IMPHASH 509a34b3a68a773e0afb4259e68f9f82
SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
TLSH
T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
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

10879

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_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsDialogs.dll

IMPHASH 3b477381217c97b22146297f93df2a92
SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 8f0e7415f33843431df308bb8e06af81
SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
TLSH
T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
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

7527

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_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

$PLUGINSDIR/nsis_tauri_utils.dll

IMPHASH 2030931b38a854dde8cdd69245a8096a
SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
SHA1 75197fee3c6a814fe035788d1c34ead39349b860
SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
TLSH
T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
MD5 SHA1 SHA512 SSDEEP 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

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_DLL

PDB paths

nsis_tauri_utils.pdb

h2.exe

IMPHASH 2b50609be777c63358fd53780cbff9ed
SHA256 808b2b596f6c8041706850e1a6a128d3dbd233c06aec9bb6d74b3143b2a7b97e
MD5 601822c10dc918f4a08da68c28008414
SHA1 7ff778206038b4b72ad8eb51d2002811f52cb72d
SHA512 ddf91b2e1d26ebb2797b57abebe64902370bb2d2e9cca8057c579b9e30f0a633d51ea20b64c2c30bbdab2f2c2f59feb0dc2861a8da7f864833a93753ee6997be
SSDEEP 49152:v4Bx2ka+LLsQj7ukRXwNnpk7UH2xNh+xJm44KQvLUAc3xSq/F65O77wiWb5ac8nV:v4Xa+H9TB7Uh8hCgWAwGvdvLqquG
TLSH
T19C165C03F69181E8C09DC47A835BA637AB32FCC94521B69F6BE40B113E26F506F1E759
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

2694464

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

h2.pdb

bcryptprimitives

ProcessPrng

ntdll

NtWriteFile NtOpenFile NtCreateNamedPipeFile RtlGetVersion RtlNtStatusToDosError NtReadFile

kernel32

LCIDToLocaleName GetUserDefaultUILanguage RaiseException LoadLibraryA EncodePointer TlsAlloc TerminateProcess TlsGetValue IsProcessorFeaturePresent TlsSetValue IsDebuggerPresent TlsFree GetSystemTimeAsFileTime InitializeSListHead UnhandledExceptionFilter SwitchToThread SetUnhandledExceptionFilter RtlUnwindEx SleepConditionVariableSRW LoadLibraryW WaitForSingleObject lstrlenW RtlLookupFunctionEntry SetLastError WaitForSingleObjectEx GetCurrentProcess WideCharToMultiByte MultiByteToWideChar HeapAlloc HeapReAlloc FormatMessageW GetModuleFileNameW SleepEx GetSystemTimePreciseAsFileTime SetWaitableTimer ExitProcess CompareStringOrdinal GetSystemDirectoryW GetCurrentThreadId DuplicateHandle HeapFree GetProcessHeap GetCurrentThread SetThreadStackGuarantee CreateProcessW FreeEnvironmentStringsW GetEnvironmentStringsW CreateWaitableTimerExW QueryPerformanceCounter ReadFileEx WriteFileEx CreateThread QueryPerformanceFrequency GetCommandLineW CreateFileW CreateDirectoryW GetEnvironmentVariableW CreateMutexA GetCurrentDirectoryW RtlVirtualUnwind RtlCaptureContext SetEnvironmentVariableW GetModuleHandleA Sleep CreateMutexW DeviceIoControl AddVectoredExceptionHandler GetFileAttributesW GetFinalPathNameByHandleW GetProcAddress GetTempPathW SetFileInformationByHandle SetFileTime GetFileInformationByHandleEx GetFileInformationByHandle WakeAllConditionVariable GetFullPathNameW WriteConsoleW GetConsoleOutputCP InitializeCriticalSectionAndSpinCount GetConsoleMode GetStdHandle FindFirstFileExW FindClose FindNextFileW AcquireSRWLockExclusive CloseHandle RtlPcToFileHeader ReleaseSRWLockExclusive ReleaseMutex GetLastError FreeLibrary DeleteCriticalSection GetModuleHandleW LoadLibraryExW OutputDebugStringW GetSystemInfo OutputDebugStringA GetCurrentProcessId LoadLibraryExA GetWindowsDirectoryW

shell32

ShellExecuteExW SHGetKnownFolderPath SHOpenFolderAndSelectItems ShellExecuteW DragFinish DragQueryFileW ILCreateFromPathW SHAppBarMessage SHCreateItemFromParsingName ILFree

ole32

CoTaskMemAlloc CoTaskMemFree CoUninitialize CoInitializeEx RevokeDragDrop RegisterDragDrop CoInitialize CoCreateInstance OleInitialize CoCreateFreeThreadedMarshaler

user32

GetWindowTextLengthW EnableWindow SetParent SetPropW GetKeyboardState EnumDisplayMonitors MonitorFromPoint IsWindowEnabled SetWindowDisplayAffinity MonitorFromRect ToUnicodeEx GetKeyState MapVirtualKeyExW GetKeyboardLayout ShowCursor ClipCursor GetSystemMetrics InvalidateRect GetClipCursor UpdateWindow SetWindowLongW GetSystemMenu GetWindowPlacement GetMonitorInfoW SetWindowPlacement ChangeDisplaySettingsExW RegisterRawInputDevices AdjustWindowRectEx GetMenu GetWindowLongW InvalidateRgn SetCursorPos ReleaseCapture SetCapture IsWindow RegisterTouchWindow RegisterWindowMessageA IsIconic SetCursor GetWindowTextW IsWindowVisible FlashWindowEx MonitorFromWindow TrackPopupMenu SetForegroundWindow ClientToScreen GetCursorPos EnableMenuItem DrawIconEx GetDC AppendMenuW InsertMenuW SendInput CheckMenuItem DrawTextW ReleaseDC FillRect GetWindowDC OffsetRect GetWindowRect MapWindowPoints GetClientRect GetMenuBarInfo PostQuitMessage ShowWindow SystemParametersInfoA GetActiveWindow SetMenu RemoveMenu CreateIcon SetMenuItemInfoW DrawMenuBar CreatePopupMenu CreateMenu CreateAcceleratorTableW DestroyAcceleratorTable DestroyIcon DestroyMenu TranslateAcceleratorW GetMenuItemInfoW SendMessageW FindWindowW DefWindowProcW LoadCursorW GetAsyncKeyState SystemParametersInfoW TrackMouseEvent ScreenToClient MsgWaitForMultipleObjectsEx DispatchMessageW MapVirtualKeyW GetUpdateRect PeekMessageW PostThreadMessageW ValidateRect GetRawInputData GetMessageW SetWindowLongPtrW SetWindowTextW GetTouchInputInfo CloseTouchInputHandle EnumChildWindows DispatchMessageA TranslateMessage GetMessageA SetWindowPos CreateWindowExW RegisterClassExW FindWindowExW PostMessageW GetWindowLongPtrW RedrawWindow AdjustWindowRect DestroyWindow SetFocus GetWindow SetWindowRgn GetParent IsProcessDPIAware GetForegroundWindow

api-ms-win-core-synch-l1-2-0

WakeByAddressAll WaitOnAddress WakeByAddressSingle

comctl32

RemoveWindowSubclass TaskDialogIndirect SetWindowSubclass DefSubclassProc

shlwapi

SHCreateMemStream

dwmapi

DwmSetWindowAttribute DwmGetWindowAttribute DwmEnableBlurBehindWindow

gdi32

DeleteObject CombineRgn GetDeviceCaps BitBlt CreateRectRgn DeleteDC CreateSolidBrush SelectObject CreateDIBSection CreateCompatibleDC SetTextColor SetBkMode

advapi32

EventUnregister RegOpenKeyExW RegQueryValueExW RegCloseKey EventWriteTransfer EventSetInformation RegGetValueW EventRegister SystemFunction036

oleaut32

GetErrorInfo SysStringLen SysFreeString SetErrorInfo

bcrypt

BCryptGenRandom

api-ms-win-crt-string-l1-1-0

wcsncmp wcslen strcpy_s strlen wcscmp _wcsicmp strcmp

api-ms-win-crt-math-l1-1-0

trunc pow round __setusermatherr roundf floor

api-ms-win-crt-convert-l1-1-0

_ultow_s wcstol _wtoi

api-ms-win-crt-runtime-l1-1-0

_get_initial_narrow_environment _initterm _initterm_e _initialize_narrow_environment _exit _register_onexit_function __p___argc __p___argv _cexit _c_exit _register_thread_local_exe_atexit_callback _configure_narrow_argv _seh_filter_exe exit terminate abort _crt_atexit _initialize_onexit_table _set_app_type

api-ms-win-crt-stdio-l1-1-0

__p__commode _set_fmode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

_callnewh calloc malloc free _set_new_mode

Sharing

General

Malware Config

Signatures

File Explorer

h2_installer.exe

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

generic

$PLUGINSDIR/StartMenu.dll

kernel32

user32

gdi32

shell32

ole32

generic

$PLUGINSDIR/System.dll

kernel32

user32

ole32

generic

$PLUGINSDIR/modern-header.bmp

$PLUGINSDIR/modern-wizard.bmp

$PLUGINSDIR/nsDialogs.dll

kernel32

user32

gdi32

shell32

comdlg32

ole32

generic

$PLUGINSDIR/nsis_tauri_utils.dll

kernel32

advapi32

user32

shell32

generic

h2.exe

bcryptprimitives

ntdll

kernel32

shell32

ole32

user32

api-ms-win-core-synch-l1-2-0

comctl32

shlwapi

dwmapi

gdi32

advapi32

oleaut32

bcrypt

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

generic