Behavioral task
behavioral1
Sample
NEAS.dfd6382e50198d374392212fa49ca640_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.dfd6382e50198d374392212fa49ca640_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.dfd6382e50198d374392212fa49ca640_JC.exe
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Size
601KB
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MD5
dfd6382e50198d374392212fa49ca640
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SHA1
12b94b9f32a5de2d4e6c37bbf10cf6900cfa4017
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SHA256
8a23ac03730c4013f8f798f4828d1b9cf8fbd779add92153033f0bcbe42e933b
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SHA512
616dc55e7fc536aebb6ca4c6e085b937afeb56bb331ef5c9cbba22889eb6a486666db3702dffe4193167a049916a9e65c1b02d4d4de0477f3b27792dcc1ccaba
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SSDEEP
12288:8ytbV3kSoXaLnPosqthXmpLbaHGlLPmDNa8+Cp/rwZTlvv:nb5kSYaLPVqthXmpLbjNma8x/UZtv
Malware Config
Signatures
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Berbew family
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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.dfd6382e50198d374392212fa49ca640_JC.exe
Files
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NEAS.dfd6382e50198d374392212fa49ca640_JC.exe.exe windows:6 windows x64
1bf41e5eccfe66b9b45a836c645ecf87
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
HeapReAlloc
CloseHandle
RaiseException
HeapAlloc
DecodePointer
HeapDestroy
LocalFree
DeleteCriticalSection
GetCurrentProcessId
GetProcessHeap
ReadFile
GetModuleFileNameA
GetFileSizeEx
WriteFile
WaitForSingleObjectEx
RtlAddFunctionTable
SetFilePointer
GetCurrentDirectoryA
Sleep
CreateFileA
LoadLibraryA
GetProcAddress
GetModuleHandleW
GetFileTime
CreateProcessA
WriteConsoleW
CreateFileW
GetCurrentThread
GetLastError
MultiByteToWideChar
HeapSize
OpenProcess
ResumeThread
InitializeCriticalSectionEx
ExpandEnvironmentStringsW
GetCurrentProcess
SetPriorityClass
VirtualAlloc
HeapFree
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetFilePointerEx
SetStdHandle
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
SetEvent
ResetEvent
CreateEventW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
WideCharToMultiByte
SetLastError
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
OutputDebugStringW
RtlUnwindEx
RtlPcToFileHeader
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
advapi32
LookupPrivilegeValueW
AdjustTokenPrivileges
SetTokenInformation
IsWellKnownSid
OpenProcessToken
SetThreadToken
CreateProcessAsUserW
ConvertSidToStringSidW
DuplicateTokenEx
OpenThreadToken
GetTokenInformation
userenv
CreateEnvironmentBlock
DestroyEnvironmentBlock
wtsapi32
WTSEnumerateProcessesW
WTSFreeMemory
Sections
.reloc Size: 163KB - Virtual size: 163KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 85KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 5KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 256B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.pdata Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.pdata Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.text Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ