proforma corregida[.]exe

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General

Target
proforma corregida.exe
Size 268KB
Sample221121-tym1tshd22
SHA256 6665e9becfbcd071f9d5f1e8635dba4801a354dfb0bee53f4efafecb6146bba6
MD5 2137e7178040f8ffa1decc904bacde30
SHA1 f1a3f5a04c969d465f8f96235a76838c1d783a5d
SHA512 ccd371c30a2e9d18c1d6a10b0e92374c1cb5031dee507133cdf31c3681755ad2699073e50f5fa4e341d937bef4754da3a256e5030bb97a7a02901a5f3fbfc44d
SSDEEP 6144:MEa0NItHwU2Z2FmI1bRK49dMxTG1QBLxk6kgsm87W1mbEz:XzZ2FB1dKcOxxBdJkgsmV17
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

proforma corregida.exe

.exe 268KB

proforma corregida.exe

IMPHASH 29b61e5a552b3a9bc00953de1c93be41
SHA256 6665e9becfbcd071f9d5f1e8635dba4801a354dfb0bee53f4efafecb6146bba6
MD5 2137e7178040f8ffa1decc904bacde30
SHA1 f1a3f5a04c969d465f8f96235a76838c1d783a5d
SHA512 ccd371c30a2e9d18c1d6a10b0e92374c1cb5031dee507133cdf31c3681755ad2699073e50f5fa4e341d937bef4754da3a256e5030bb97a7a02901a5f3fbfc44d
SSDEEP 6144:MEa0NItHwU2Z2FmI1bRK49dMxTG1QBLxk6kgsm87W1mbEz:XzZ2FB1dKcOxxBdJkgsmV17
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