vbc[.]exe | Triage™

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General

Target
vbc.exe
Size 227KB
Sample221205-rx2rgshe56
SHA256 1f92687fb627588ff2e0b4347c0fc634c4b8b84cc45ca138d0b4c59c3ca2df96
MD5 c96bf5ee9a46d7f952b08171dfca75d4
SHA1 2c2424e0bbd512fa30caced8f3748caf3d1a395f
SHA512 f200110a326e73fc47551648b28e7386e883627821d64aca0faa9325e64e2312b62e1c70c1247a866461bdc88127dbdf6f111b9aac898a83ca832fe46756aeb2
SSDEEP 3072:/QZvOsPPKedcEkqVbbE+8csUJBB/h1yqYl/DpKg6dd9ui7xhBLOZ7TXUTUwo1d/B:/BeZEiB/1hK7pjmdwi3GUIwoT/3rF3f
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

vbc.exe

.exe 227KB

vbc.exe

IMPHASH b78ecf47c0a3e24a6f4af114e2d1f5de
SHA256 1f92687fb627588ff2e0b4347c0fc634c4b8b84cc45ca138d0b4c59c3ca2df96
MD5 c96bf5ee9a46d7f952b08171dfca75d4
SHA1 2c2424e0bbd512fa30caced8f3748caf3d1a395f
SHA512 f200110a326e73fc47551648b28e7386e883627821d64aca0faa9325e64e2312b62e1c70c1247a866461bdc88127dbdf6f111b9aac898a83ca832fe46756aeb2
SSDEEP 3072:/QZvOsPPKedcEkqVbbE+8csUJBB/h1yqYl/DpKg6dd9ui7xhBLOZ7TXUTUwo1d/B:/BeZEiB/1hK7pjmdwi3GUIwoT/3rF3f
MD5 SHA1 SHA512 SSDEEP

windows x86

NSIS installer

installer

Minor OS version

Major OS version

Entry point

12653

Magic Number

267

Subsystem

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

kernel32

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

user32

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

gdi32

SelectObject SetBkMode CreateFontIndirectA SetTextColor DeleteObject GetDeviceCaps CreateBrushIndirect SetBkColor

shell32

SHGetSpecialFolderLocation SHGetPathFromIDListA SHBrowseForFolderA SHGetFileInfoA ShellExecuteA SHFileOperationA

advapi32

RegDeleteKeyA SetFileSecurityA OpenProcessToken LookupPrivilegeValueA AdjustTokenPrivileges RegOpenKeyExA RegEnumValueA RegDeleteValueA RegCloseKey RegCreateKeyExA RegSetValueExA RegQueryValueExA RegEnumKeyA

comctl32

ImageList_Create ImageList_AddMasked ImageList_Destroy ord17

ole32

OleUninitialize OleInitialize CoTaskMemFree CoCreateInstance