Behavioral task
behavioral1
Sample
NEAS.2ca8001185ebc06685ffbc5bd4eb4020.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.2ca8001185ebc06685ffbc5bd4eb4020.exe
Resource
win10v2004-20231023-en
General
-
Target
NEAS.2ca8001185ebc06685ffbc5bd4eb4020.exe
-
Size
1.1MB
-
MD5
2ca8001185ebc06685ffbc5bd4eb4020
-
SHA1
c4640ba3f7d3cfd376d01279bb9f10e9a452c2da
-
SHA256
ef0e43df8ca9af4380ae7c5d6ccde89728e65ce69911a365585a80b9303ae134
-
SHA512
ef2447283b97110f9201edeaa1811d534c46f9d988bbc3cf37c22ec281628da8e208bf11071feb68ddf5124128adb5b77ec8ece6b85bd8ebb7e7787a8bd8e2c3
-
SSDEEP
24576:MxBBcsEM4dmv5vOwZr21TEM4dmv5vOJ6YGC3DUnhF14xRsqDclamL1NqD0YJC6aE:MnBvj425vOd1Tj425vOJ6YGAUnhn4XBb
Malware Config
Signatures
-
Berbew family
-
Malware Backdoor - Berbew 1 IoCs
Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.2ca8001185ebc06685ffbc5bd4eb4020.exe
Files
-
NEAS.2ca8001185ebc06685ffbc5bd4eb4020.exe.exe windows:4 windows x86
b71ae52e8715ee7bfaa0c9df227db54a
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
shlwapi
SHSetThreadRef
Sections
.text Size: 79KB - Virtual size: 79KB
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: 78KB - Virtual size: 78KB
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: 4KB - Virtual size: 4KB
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
.l2 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ