Behavioral task
behavioral1
Sample
virussign.com_0f7ce4545b5dfdcaaba1472ee0b582d0.exe
Resource
win7-20240215-en
General
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Target
virussign.com_0f7ce4545b5dfdcaaba1472ee0b582d0.vir
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Size
384KB
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MD5
0f7ce4545b5dfdcaaba1472ee0b582d0
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SHA1
c4ee1c14b2dff6b8eea41298e1f547ef45676d75
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SHA256
dd62c7ba3ed26b90414d307fb56844a4b0b18054db6dbec6cefaeccc7803275e
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SHA512
af6758900dea50a8fd9e0834e7925941a1deb673c75b32225e70a128dee6d1ef84e22e11d447ac8119844d3d7b80a109da5d72d3ab19b2fc98521101fd3112ef
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SSDEEP
12288:WALE5e3mbbVtdW/sEzrWtHOw0iFauY/B/dc:WALE5e3mbbVtdW/sEzrWtHOw0iFauY/M
Malware Config
Signatures
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Berbew family
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Malware Dropper & Backdoor - Berbew 1 IoCs
Berbew is a backdoor Trojan malware with capabilities to download and install a range of additional malicious software, such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource virussign.com_0f7ce4545b5dfdcaaba1472ee0b582d0.vir
Files
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virussign.com_0f7ce4545b5dfdcaaba1472ee0b582d0.vir.exe windows:4 windows x86 arch:x86
664a2b324a8857d7d4ab8815c756b5bb
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetLastError
SetLastError
GetTickCount
ExitProcess
GetStartupInfoA
GetStdHandle
GetCommandLineA
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
ReadProcessMemory
GetModuleFileNameA
GetModuleHandleA
WriteFile
ReadFile
CloseHandle
SetFilePointer
FreeLibrary
LoadLibraryA
GetProcAddress
DeleteFileW
MoveFileW
CreateFileW
GetFileAttributesW
GetConsoleMode
GetConsoleOutputCP
GetOEMCP
GetProcessHeap
HeapAlloc
HeapFree
TlsAlloc
TlsGetValue
TlsSetValue
CreateThread
ExitThread
LocalAlloc
LocalFree
Sleep
SuspendThread
ResumeThread
TerminateThread
WaitForSingleObject
SetThreadPriority
GetThreadPriority
CreateEventA
ResetEvent
SetEvent
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetConsoleCP
SetUnhandledExceptionFilter
EnumResourceTypesA
EnumResourceNamesA
EnumResourceLanguagesA
FindResourceA
FindResourceExA
LoadResource
SizeofResource
LockResource
FreeResource
GetWindowsDirectoryA
CopyFileA
CreateProcessA
GetVersionExA
CompareStringA
GetLocaleInfoA
EnumCalendarInfoA
FormatMessageW
CompareStringW
TerminateProcess
GetThreadLocale
SetThreadLocale
GetUserDefaultLCID
oleaut32
SysAllocStringLen
SysFreeString
SysReAllocStringLen
user32
MessageBoxA
CharUpperBuffW
CharLowerBuffW
CharUpperA
CharUpperBuffA
CharLowerA
CharLowerBuffA
GetSystemMetrics
MessageBeep
advapi32
LsaNtStatusToWinError
Sections
.text Size: 81KB - Virtual size: 81KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 96KB - Virtual size: 95KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 9KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
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