Static task
static1
Behavioral task
behavioral1
Sample
Backdoor.Win32.Berbew.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Backdoor.Win32.Berbew.exe
Resource
win10v2004-20240802-en
General
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Target
Backdoor.Win32.Berbew.pz-548e920571cdc3d923f45ca25826c29cefd26a792cdb5c687febb14bbb929d52N
-
Size
55KB
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MD5
8e4fb11165c4d10d3963aed339da12c0
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SHA1
fdcf6312413ac46a4d469e7117af062aed6e596d
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SHA256
548e920571cdc3d923f45ca25826c29cefd26a792cdb5c687febb14bbb929d52
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SHA512
bd906c9042fe9aeea0398522c1b077c228233821d7e3d1e981fc47c9a375b1503a713e2328cb3c0d3b953cb8879e9d1a87fbc6a8ad695d3c0818a6a7c1d6e488
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SSDEEP
768:0AqpklENWLWH7FCRY7UOKnZ/FLWNVqQp1HEUKgmmRlPuW2p/1H5jhXdnh:0M7LWH7FCRAH+/FKPqkbKgmmR8W2L5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Backdoor.Win32.Berbew.pz-548e920571cdc3d923f45ca25826c29cefd26a792cdb5c687febb14bbb929d52N
Files
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Backdoor.Win32.Berbew.pz-548e920571cdc3d923f45ca25826c29cefd26a792cdb5c687febb14bbb929d52N.exe windows:1 windows x86 arch:x86
62ec3dce1eba1b68f6a4511bb09f8c2c
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
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
Sections
.text Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 132KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.kofbl Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.l1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE