Original Inv_pdf[.]gz[.]exe

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General

Target
Original Inv_pdf.gz.exe
Size 224KB
Sample221122-kceynaag3w
SHA256 4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
MD5 528dda2fb65f094c420a81707fe5a8a9
SHA1 b1ddf9185a39edcf1c24df6b97a5ed89d1d2930e
SHA512 51a7f4d4b9ecb1ba4c6eb7a156268663b701df41d16621748d1655b53fad823e894e35b50b2fdb22acdb691fa1538e3718d5ec09ca0d6a1bc2016874aa55b4d0
SSDEEP 6144:qEa0isjvuZhvGJ2qbIUn6sofacpfey4EVtm:6zDvGJ/sUGf/WBEVtm
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

File Explorer

Original Inv_pdf.gz.exe

.exe 224KB

Original Inv_pdf.gz.exe

IMPHASH 29b61e5a552b3a9bc00953de1c93be41
SHA256 4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a
MD5 528dda2fb65f094c420a81707fe5a8a9
SHA1 b1ddf9185a39edcf1c24df6b97a5ed89d1d2930e
SHA512 51a7f4d4b9ecb1ba4c6eb7a156268663b701df41d16621748d1655b53fad823e894e35b50b2fdb22acdb691fa1538e3718d5ec09ca0d6a1bc2016874aa55b4d0
SSDEEP 6144:qEa0isjvuZhvGJ2qbIUn6sofacpfey4EVtm:6zDvGJ/sUGf/WBEVtm
MD5 SHA1 SHA512 SSDEEP

windows x86

NSIS installer

installer

Minor OS version

Major OS version

Entry point

12529

Magic Number

267

Subsystem

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

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

user32

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

gdi32

SelectObject SetBkMode CreateFontIndirectA SetTextColor DeleteObject GetDeviceCaps CreateBrushIndirect SetBkColor

shell32

SHGetSpecialFolderLocation SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA ShellExecuteA SHFileOperationA

advapi32

RegDeleteValueA SetFileSecurityA RegOpenKeyExA RegDeleteKeyA RegEnumValueA RegCloseKey RegCreateKeyExA RegSetValueExA RegQueryValueExA RegEnumKeyA

comctl32

ImageList_Create ImageList_Destroy ord17 ImageList_AddMasked

ole32

OleUninitialize OleInitialize CoTaskMemFree CoCreateInstance