Behavioral task
behavioral1
Sample
NEAS.a37c6852165fc0fb72ef61200e1c2ec0.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.a37c6852165fc0fb72ef61200e1c2ec0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.a37c6852165fc0fb72ef61200e1c2ec0.exe
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Size
396KB
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MD5
a37c6852165fc0fb72ef61200e1c2ec0
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SHA1
6533efc616f3ebfeba95a60e3e8eafeed514d2a8
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SHA256
fff7fd879341c8d46e8758ab60e6dc61aa7a44afc6f0ed4c72df9f3a413bdaf8
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SHA512
66a60c82a3e9a47316a613102ee8eba7708cb7c09e7b154b4b881bfbdcc6453e02895a878acea9271d31d5763ff973de88067b80d532ef165158a96634bbac93
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SSDEEP
12288:wsdqg57fwqh2KK/e+x91Rr0kMwEmw5bioZRSC:wsdH2K0e+x91Rr0kMwEmw5bioZRSC
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.a37c6852165fc0fb72ef61200e1c2ec0.exe
Files
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NEAS.a37c6852165fc0fb72ef61200e1c2ec0.exe.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
.l2 Size: 512B - Virtual size: 512B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ