Static task
static1
Behavioral task
behavioral1
Sample
3yB5Iz74.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
3yB5Iz74.exe
Resource
win10-20231020-en
General
-
Target
3yB5Iz74.exe
-
Size
181KB
-
MD5
8a76a262f306d35ac955234992f83afc
-
SHA1
d08e6549ff8558dfc44c4ca0c57a7db1bfdd7256
-
SHA256
ea14458f28068cefec28e71f4393e54ac01989abc7d37136faef85af9a9d65b0
-
SHA512
4a451242b67b4e8331b20153d3f1773a612051028d4a86d3be1ee7dfb685810f685bb6e20259cef36e5319dc5cdbc3858364bc2b8ba767c417a24e0cc860cffe
-
SSDEEP
3072:BlQdL3eS0Fsz1ENTA4Ub1ZVzrKrg8Y951Sm8hSaYwWP5Cer2cN2j+mjXS2XSPyrf:S3e9qbtrKct9TjViPcNwX2s
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3yB5Iz74.exe
Files
-
3yB5Iz74.exe.exe windows:5 windows x86
120fcd59b8cf88c88d1af5610e72d569
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
WriteFile
VirtualFree
VirtualAlloc
WaitForSingleObject
CloseHandle
CreateThread
WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
HeapReAlloc
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
DecodePointer
Sections
.text Size: 138KB - Virtual size: 138KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ