Backdoor[.]Win32[.]Berbew[.]AA[.]MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N

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General

Target
Backdoor.Win32.Berbew.AA.MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N
Size 96KB
Sample240916-ms2hpstanf
SHA256 70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6
MD5 ed50d0cd6e61e21405f12b5ef8c7a750
SHA1 4050ba094c5030eacb81c58896b79c858772f56c
SHA512 c172ea85e73ac044bb57af114d1b2cf72528c2886ab7c1259e13f0e199f688bceb9020871253ae87a1f774eea5375e97e12d50bc91d9abd5873c724183febd76
SSDEEP 1536:tuOKYMS0cobw3PWK6C2J1viH0/l2LF7RZObZUUWaegPYA:tzbobw3kaiWFClUUWae
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Backdoor.Win32.Berbew.AA.MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N

File Explorer

Backdoor.Win32.Berbew.AA.MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N

.exe 96KB

Backdoor.Win32.Berbew.AA.MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N

IMPHASH 62ec3dce1eba1b68f6a4511bb09f8c2c
SHA256 70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6
MD5 ed50d0cd6e61e21405f12b5ef8c7a750
SHA1 4050ba094c5030eacb81c58896b79c858772f56c
SHA512 c172ea85e73ac044bb57af114d1b2cf72528c2886ab7c1259e13f0e199f688bceb9020871253ae87a1f774eea5375e97e12d50bc91d9abd5873c724183febd76
SSDEEP 1536:tuOKYMS0cobw3PWK6C2J1viH0/l2LF7RZObZUUWaegPYA:tzbobw3kaiWFClUUWae
MD5 SHA1 SHA512 SSDEEP

windows:1 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

196612

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

ole32

CoCreateInstance CLSIDFromString CoInitialize CoUninitialize

oleaut32

SysAllocString

wininet

DeleteUrlCacheEntry FindFirstUrlCacheEntryA FindNextUrlCacheEntryA

kernel32

ExitProcess ExpandEnvironmentStringsA GetCommandLineA GetComputerNameA GetCurrentProcessId GetCurrentThreadId GetExitCodeThread GetFileSize GetModuleFileNameA GetModuleHandleA CloseHandle GetProcAddress GetSystemDirectoryA GetTempPathA GetTickCount GetVersion GetVersionExA GetWindowsDirectoryA GlobalMemoryStatus CopyFileA InterlockedIncrement IsBadReadPtr IsBadWritePtr LoadLibraryA LocalAlloc LocalFree OpenMutexA CreateFileA ReadFile RtlUnwind SetFilePointer CreateMutexA Sleep TerminateProcess VirtualQuery CreateProcessA WaitForSingleObject WideCharToMultiByte WinExec WriteFile lstrlenA lstrlenW CreateThread DeleteFileA

user32

GetWindowTextA GetWindowRect FindWindowA GetWindow GetClassNameA SetFocus GetForegroundWindow LoadCursorA LoadIconA SetTimer RegisterClassA MessageBoxA GetMessageA GetWindowLongA SetWindowLongA CreateDesktopA SetThreadDesktop GetThreadDesktop TranslateMessage DispatchMessageA SendMessageA PostQuitMessage ShowWindow CreateWindowExA DestroyWindow MoveWindow DefWindowProcA CallWindowProcA

gdi32

GetStockObject SetBkColor SetTextColor CreateBrushIndirect CreateFontA

advapi32

GetUserNameA RegCreateKeyExA RegCloseKey RegOpenKeyExA RegQueryValueExA RegSetValueExA GetSecurityInfo SetSecurityInfo SetEntriesInAclA

crtdll

__GetMainArgs _sleep _stricmp atoi exit memcpy memset printf raise rand signal sprintf srand sscanf strcat strchr strncmp vsprintf

msvcrt

memchr

Name

.text

Size

31KB

Virtual Size

31KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

132KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.data

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

3KB

Virtual Size

3KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.kofbl

Size

512B

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.l1

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

File Explorer

Backdoor.Win32.Berbew.AA.MTB-70685710e71a08f7e79f177f5c1dd64b6a8e64297e9ea08aa54ad373479ffdc6N

ole32

oleaut32

wininet

kernel32

user32

gdi32

advapi32

crtdll

msvcrt

generic