Report - kus.exe

Malicious Library UPX AntiDebug AntiVM PE File PE32 OS Processor Check
ScreenShot
Created 2023.09.25 07:39 Machine s1_win7_x6401
Filename kus.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
8
Behavior Score
5.8
ZERO API file : clean
VT API (file)
md5 073e99375099253a97c86d972a82b344
sha256 51bea9241d27464131e42b0454fc78ccb93fe70af53a23e5c3cc08b387f4d72f
ssdeep 6144:wRhhrJ+j+5j68KsT6h/OCy5U9uAOPArJuD8b7Uqw6:wRXN+j+5+RsqGGuWrJuDs7Fw6
imphash 8ddc982ec86bc15061e6b2eab1424dec
impfuzzy 24:JNcpVWZjeDzGtXGhlJBl39RPLOovbO3kFZMv1GMAkEZHu9J:JNcpVejiGtXGnp3630FZGb
  Network IP location

Signature (10cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Detects Avast Antivirus through the presence of a library
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice One or more potentially interesting buffers were extracted
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory

Rules (13cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x42a000 MultiByteToWideChar
 0x42a004 GetStringTypeW
 0x42a008 WideCharToMultiByte
 0x42a00c CloseHandle
 0x42a010 GetCurrentThreadId
 0x42a014 EnterCriticalSection
 0x42a018 LeaveCriticalSection
 0x42a01c InitializeCriticalSectionEx
 0x42a020 DeleteCriticalSection
 0x42a024 EncodePointer
 0x42a028 DecodePointer
 0x42a02c LCMapStringEx
 0x42a030 QueryPerformanceCounter
 0x42a034 GetSystemTimeAsFileTime
 0x42a038 GetModuleHandleW
 0x42a03c GetProcAddress
 0x42a040 GetCPInfo
 0x42a044 IsProcessorFeaturePresent
 0x42a048 GetCurrentProcessId
 0x42a04c InitializeSListHead
 0x42a050 IsDebuggerPresent
 0x42a054 UnhandledExceptionFilter
 0x42a058 SetUnhandledExceptionFilter
 0x42a05c GetStartupInfoW
 0x42a060 GetCurrentProcess
 0x42a064 TerminateProcess
 0x42a068 CreateFileW
 0x42a06c RaiseException
 0x42a070 RtlUnwind
 0x42a074 GetLastError
 0x42a078 SetLastError
 0x42a07c InitializeCriticalSectionAndSpinCount
 0x42a080 TlsAlloc
 0x42a084 TlsGetValue
 0x42a088 TlsSetValue
 0x42a08c TlsFree
 0x42a090 FreeLibrary
 0x42a094 LoadLibraryExW
 0x42a098 GetModuleHandleExW
 0x42a09c GetStdHandle
 0x42a0a0 WriteFile
 0x42a0a4 GetModuleFileNameW
 0x42a0a8 ExitProcess
 0x42a0ac GetCommandLineA
 0x42a0b0 GetCommandLineW
 0x42a0b4 HeapAlloc
 0x42a0b8 HeapFree
 0x42a0bc CompareStringW
 0x42a0c0 LCMapStringW
 0x42a0c4 GetLocaleInfoW
 0x42a0c8 IsValidLocale
 0x42a0cc GetUserDefaultLCID
 0x42a0d0 EnumSystemLocalesW
 0x42a0d4 GetFileType
 0x42a0d8 FlushFileBuffers
 0x42a0dc GetConsoleOutputCP
 0x42a0e0 GetConsoleMode
 0x42a0e4 ReadFile
 0x42a0e8 GetFileSizeEx
 0x42a0ec SetFilePointerEx
 0x42a0f0 ReadConsoleW
 0x42a0f4 HeapReAlloc
 0x42a0f8 FindClose
 0x42a0fc FindFirstFileExW
 0x42a100 FindNextFileW
 0x42a104 IsValidCodePage
 0x42a108 GetACP
 0x42a10c GetOEMCP
 0x42a110 GetEnvironmentStringsW
 0x42a114 FreeEnvironmentStringsW
 0x42a118 SetEnvironmentVariableW
 0x42a11c SetStdHandle
 0x42a120 GetProcessHeap
 0x42a124 HeapSize
 0x42a128 WriteConsoleW

EAT(Export Address Table) Library

0x402e30 _uSGyuTYAStyA@12


Similarity measure (PE file only) - Checking for service failure