Static task
static1
Behavioral task
behavioral1
Sample
Zаnb-v3.1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
Zаnb-v3.1.exe
Resource
win10v2004-20240508-en
General
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Target
Zаnb-v3.1.exe
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Size
498KB
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MD5
6cfa84643d60ac319d389be1699a31f7
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SHA1
c3476c680c477d6c5360b7545006c15dc4909857
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SHA256
1b3ef6f1ca45d8937bd08ffda49104747b0c3e944458453825ee0adbdc31ddad
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SHA512
119456fb88d7aef17544d63270ae2c0e62e93de5b92c2cb807875e887d29ea0ab6eead4b5dfe4f5ac0e150e79195e43a6fc502a9a0cf568272f03ff428092031
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SSDEEP
12288:T7yASHFN3NQORJU/NtnzRfc212VAJLmOSXW6VES:T7y3lN3RWN1K2g27SXWD
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Zаnb-v3.1.exe
Files
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Zаnb-v3.1.exe.exe windows:6 windows x86 arch:x86
7295391572376b8588f4ae34ead7b21f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
VirtualAlloc
WaitForSingleObjectEx
FreeConsole
CreateThread
WideCharToMultiByte
GetCurrentThreadId
CloseHandle
GetExitCodeThread
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
LCMapStringEx
ReleaseSRWLockExclusive
WakeAllConditionVariable
QueryPerformanceCounter
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
GetCurrentProcess
TerminateProcess
CreateFileW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW
Sections
.text Size: 140KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.BSs Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 41KB - Virtual size: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 306KB - Virtual size: 309KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ