6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb

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General

Target
6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb
Size 338KB
Sample241121-ykrjbawkbx
SHA256 6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb
MD5 1ee227ec277bbf25bf8657dc0379eb8e
SHA1 afc9a4fe432148cc5113357d7ba845f5dcec4aad
SHA512 7708f75ff5ac684c8a885eb4397d96e6af0084fd9ff9748eef3c9468669b6d1c86679bcba834c134e814b46b989508a373c9ff74595f5e1cd0b88887d2209efb
SSDEEP 6144:TxDf9Q//uNLa8UBanwMhumZGiANdNDKFiIeWyb1JoRtz6D:0/uManFhumZIpdJW+gtOD
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb
unpack001/drfgruezwu.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb

.exe 338KB
drfgruezwu.exe

.exe 235KB
flhuvaanr

4KB
x6x2dqsyxlhw6i7v7rx

211KB

6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb

IMPHASH 7fa974366048f9c551ef45714595665e
SHA256 6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb
MD5 1ee227ec277bbf25bf8657dc0379eb8e
SHA1 afc9a4fe432148cc5113357d7ba845f5dcec4aad
SHA512 7708f75ff5ac684c8a885eb4397d96e6af0084fd9ff9748eef3c9468669b6d1c86679bcba834c134e814b46b989508a373c9ff74595f5e1cd0b88887d2209efb
SSDEEP 6144:TxDf9Q//uNLa8UBanwMhumZGiANdNDKFiIeWyb1JoRtz6D:0/uManFhumZIpdJW+gtOD
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

12468

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

kernel32

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

user32

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

gdi32

SetBkColor GetDeviceCaps DeleteObject CreateBrushIndirect CreateFontIndirectA SetBkMode SetTextColor SelectObject

shell32

SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA ShellExecuteA SHFileOperationA SHGetSpecialFolderLocation

advapi32

RegQueryValueExA RegSetValueExA RegEnumKeyA RegEnumValueA RegOpenKeyExA RegDeleteKeyA RegDeleteValueA RegCloseKey RegCreateKeyExA

comctl32

ImageList_AddMasked ImageList_Destroy ord17 ImageList_Create

ole32

CoTaskMemFree OleInitialize OleUninitialize CoCreateInstance

version

GetFileVersionInfoSizeA GetFileVersionInfoA VerQueryValueA

drfgruezwu.exe

IMPHASH 3d7532258619c617c373a5cca3f3b4b1
SHA256 4a5824da0a6b328ddcf55a46e71ae5648c3c2fb3ce8e39add28de82c3e97ef5b
MD5 ce84e0de135e04f77cadb28f8c216367
SHA1 fa583c32020b084e748bf263d120fcfe4ccc324f
SHA512 47e14f190c782dc703468d4751b39865f3274de2b9cd35652d906e07c3f7da1014173284b14be8041d1ab9eeca0dd878ce290d9342b057b85d2cf4dd1cc72071
SSDEEP 3072:9YdkjNRRUWCJAUQATQq01e9bhxT/vTG1DhZ3BdjS6G6LmDkCdzqqp00y+Vi/C:9L0WQAWTQqMe9b/r6DhpOvYMqS
MD5 SHA1 SHA512 SSDEEP

windows:6 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.
NSIS installer

installer

Minor OS version

Major OS version

Entry point

122888

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

mapi32

ord175 ord75 ord19 ord59 ord138 ord164 ord174 ord129

shell32

ExtractAssociatedIconExA ExtractIconExA SHEmptyRecycleBinA SHEmptyRecycleBinW SHFormatDrive

winspool.drv

AddPrinterDriverW AdvancedDocumentPropertiesA DeletePrinterConnectionA DeletePrinterDriverExA DevQueryPrint DeviceCapabilitiesA FindFirstPrinterChangeNotification GetPrinterDataA PlayGdiScriptOnPrinterIC

wsnmp32

ord500 ord220 ord906 ord320 ord107 ord101

oleaut32

OleLoadPicture VarAbs VarCat VarI4FromStr

kernel32

AreFileApisANSI CloseHandle CompareStringW CreateEventW CreateFileA CreateFileW CreateSemaphoreW DecodePointer DeleteCriticalSection EncodePointer EnterCriticalSection EnumDateFormatsA EnumSystemLocalesW ExitProcess FatalAppExitA FlushFileBuffers FreeEnvironmentStringsW FreeLibrary GetACP GetCPInfo GetCommandLineA GetConsoleCP GetConsoleMode GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDateFormatW GetEnvironmentStringsW GetFileSize GetFileType GetLastError GetLocaleInfoW GetModuleFileNameA GetModuleFileNameW GetModuleHandleExW GetModuleHandleW GetOEMCP GetProcAddress GetProcessHeap GetStartupInfoW GetStdHandle GetStringTypeW GetSystemTimeAsFileTime GetTickCount GetTimeFormatW GetUserDefaultLCID HeapAlloc HeapFree HeapReAlloc HeapSize InitializeCriticalSectionAndSpinCount IsDebuggerPresent IsProcessorFeaturePresent IsValidCodePage IsValidLocale LCMapStringW LeaveCriticalSection LoadLibraryExW MultiByteToWideChar OutputDebugStringW QueryPerformanceCounter ReadFile RtlUnwind SetConsoleCtrlHandler SetFilePointerEx SetLastError SetStdHandle SetUnhandledExceptionFilter Sleep TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue UnhandledExceptionFilter VirtualAlloc WideCharToMultiByte WriteConsoleW WriteFile

6a320de21bbba1a93f56eee513ec18a594ac1caa754c9ce946863022bbf62ceb

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

generic

drfgruezwu.exe

mapi32

shell32

winspool.drv

wsnmp32

oleaut32

kernel32

generic

flhuvaanr

x6x2dqsyxlhw6i7v7rx