Report - stail.exe

Emotet Gen1 Generic Malware Malicious Library Confuser .NET UPX Admin Tool (Sysinternals etc ...) PE File PE32 MZP Format OS Processor Check DLL DllRegisterServer dll PE64
ScreenShot
Created 2024.10.15 14:24 Machine s1_win7_x6401
Filename stail.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
3
Behavior Score
2.6
ZERO API file : malware
VT API (file)
md5 c098830ac7a7e0ea481dba5c2d7e4f92
sha256 b41a9ce2a1df8b96a0f1cbd95a54f55e6820867141df087c50e4d745e8b8f051
ssdeep 98304:xdStiRX9/A3OW721x5BX56qNC/Bp1wibpmB9:DRRXlA3ON1DBX56Rv1wibpmB9
imphash 80417b621299e3e1de617305557a3c68
impfuzzy 48:8cfp1rcQX0gebPCDr+ZbLdH9AOZGwt+Eu55T/lGB:8cfpdcqNebqDrmlHW2
  Network IP location

Signature (9cnts)

Level Description
notice Allocates read-write-execute memory (usually to unpack itself)
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice Queries for potentially installed applications
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (21cnts)

Level Name Description Collection
danger Win32_Trojan_Emotet_2_Zero Win32 Trojan Emotet binaries (download)
danger Win32_Trojan_Emotet_2_Zero Win32 Trojan Emotet binaries (upload)
danger Win32_Trojan_Gen_1_0904B0_Zero Win32 Trojan Emotet binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch ConfuserEx_Zero Confuser .NET binaries (download)
watch ConfuserEx_Zero Confuser .NET binaries (upload)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
info DllRegisterServer_Zero execute regsvr32.exe binaries (download)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info IsPE64 (no description) binaries (download)
info mzp_file_format MZP(Delphi) file format binaries (download)
info mzp_file_format MZP(Delphi) file format binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

kernel32.dll
 0x40c0b4 DeleteCriticalSection
 0x40c0b8 LeaveCriticalSection
 0x40c0bc EnterCriticalSection
 0x40c0c0 InitializeCriticalSection
 0x40c0c4 VirtualFree
 0x40c0c8 VirtualAlloc
 0x40c0cc LocalFree
 0x40c0d0 LocalAlloc
 0x40c0d4 WideCharToMultiByte
 0x40c0d8 TlsSetValue
 0x40c0dc TlsGetValue
 0x40c0e0 MultiByteToWideChar
 0x40c0e4 GetModuleHandleA
 0x40c0e8 GetLastError
 0x40c0ec GetCommandLineA
 0x40c0f0 WriteFile
 0x40c0f4 SetFilePointer
 0x40c0f8 SetEndOfFile
 0x40c0fc RtlUnwind
 0x40c100 ReadFile
 0x40c104 RaiseException
 0x40c108 GetStdHandle
 0x40c10c GetFileSize
 0x40c110 GetSystemTime
 0x40c114 GetFileType
 0x40c118 ExitProcess
 0x40c11c CreateFileA
 0x40c120 CloseHandle
user32.dll
 0x40c128 MessageBoxA
oleaut32.dll
 0x40c130 VariantChangeTypeEx
 0x40c134 VariantCopyInd
 0x40c138 VariantClear
 0x40c13c SysStringLen
 0x40c140 SysAllocStringLen
advapi32.dll
 0x40c148 RegQueryValueExA
 0x40c14c RegOpenKeyExA
 0x40c150 RegCloseKey
 0x40c154 OpenProcessToken
 0x40c158 LookupPrivilegeValueA
kernel32.dll
 0x40c160 WriteFile
 0x40c164 VirtualQuery
 0x40c168 VirtualProtect
 0x40c16c VirtualFree
 0x40c170 VirtualAlloc
 0x40c174 Sleep
 0x40c178 SizeofResource
 0x40c17c SetLastError
 0x40c180 SetFilePointer
 0x40c184 SetErrorMode
 0x40c188 SetEndOfFile
 0x40c18c RemoveDirectoryA
 0x40c190 ReadFile
 0x40c194 LockResource
 0x40c198 LoadResource
 0x40c19c LoadLibraryA
 0x40c1a0 IsDBCSLeadByte
 0x40c1a4 GetWindowsDirectoryA
 0x40c1a8 GetVersionExA
 0x40c1ac GetUserDefaultLangID
 0x40c1b0 GetSystemInfo
 0x40c1b4 GetSystemDefaultLCID
 0x40c1b8 GetProcAddress
 0x40c1bc GetModuleHandleA
 0x40c1c0 GetModuleFileNameA
 0x40c1c4 GetLocaleInfoA
 0x40c1c8 GetLastError
 0x40c1cc GetFullPathNameA
 0x40c1d0 GetFileSize
 0x40c1d4 GetFileAttributesA
 0x40c1d8 GetExitCodeProcess
 0x40c1dc GetEnvironmentVariableA
 0x40c1e0 GetCurrentProcess
 0x40c1e4 GetCommandLineA
 0x40c1e8 InterlockedExchange
 0x40c1ec FormatMessageA
 0x40c1f0 FindResourceA
 0x40c1f4 DeleteFileA
 0x40c1f8 CreateProcessA
 0x40c1fc CreateFileA
 0x40c200 CreateDirectoryA
 0x40c204 CloseHandle
user32.dll
 0x40c20c TranslateMessage
 0x40c210 SetWindowLongA
 0x40c214 PeekMessageA
 0x40c218 MsgWaitForMultipleObjects
 0x40c21c MessageBoxA
 0x40c220 LoadStringA
 0x40c224 ExitWindowsEx
 0x40c228 DispatchMessageA
 0x40c22c DestroyWindow
 0x40c230 CreateWindowExA
 0x40c234 CallWindowProcA
 0x40c238 CharPrevA
comctl32.dll
 0x40c240 InitCommonControls
advapi32.dll
 0x40c248 AdjustTokenPrivileges

EAT(Export Address Table) is none



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