Behavioral task
behavioral1
Sample
NEAS.f18a0644345ddcfc60ca9965321a0000_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.f18a0644345ddcfc60ca9965321a0000_JC.exe
Resource
win10v2004-20231025-en
General
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Target
NEAS.f18a0644345ddcfc60ca9965321a0000_JC.exe
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Size
448KB
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MD5
f18a0644345ddcfc60ca9965321a0000
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SHA1
d4450f5e288b374b207de52b1e3fc5e4a909bbd2
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SHA256
5a0ec847652a73e7085d7dd783abf219bf588f2da585a56083a31bc5dcdc8ea0
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SHA512
40aea7daf4b3855786cb619d8640f1c042fad074e49ca95ce8ed7daa87217891376725d4861df5741e94c06371516eae9bbb219671eade7ea6b3c2b2f9211041
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SSDEEP
6144:tUORK1ttbV3kSobTYZGiNdniCoh+KiE2OXbZcoc9WBYhFMYvR8zHH1WkF:tytbV3kSoXaLnTosl1Oio2WCR8bHNF
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.f18a0644345ddcfc60ca9965321a0000_JC.exe
Files
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NEAS.f18a0644345ddcfc60ca9965321a0000_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
.text 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
.data Size: 5KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA 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
.text Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.text Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ