Report - tuc5.exe

Emotet Gen1 Generic Malware Malicious Library UPX Confuser .NET Malicious Packer Admin Tool (Sysinternals etc ...) PE32 PE File MZP Format DLL DllRegisterServer dll OS Processor Check PE64 ZIP Format
ScreenShot
Created 2024.01.12 08:05 Machine s1_win7_x6401
Filename tuc5.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows, InnoSetup self-extracting archive
AI Score
3
Behavior Score
5.6
ZERO API file : malware
VT API (file) 25 detected (malicious, moderate confidence, ObfuscatedPoly, unsafe, Munp, Vwvq, Artemis, FileRepMalware, Generic Reputation PUA, Emotet, SRMNXW, Floxif, FileInfector)
md5 eb7073f79738bc3871d8fdcdda2f6d07
sha256 836702e8e9b5cc72d071836f7aece14f2f55103db492110feb3d1df399cb5a7e
ssdeep 98304:Ci5y4bUjbSiDmlFQh0GSRxSe5hbFSXQrUCngi+5PpkE:n5boj5D+yh0GSrSUbIALngrF
imphash e92b45c54aa05ec107d5ef90662e6b33
impfuzzy 48:8cfp1rcQX0gebPCkr+ZbLdH9oOZGwt+Eu55T/lGB:8cfpdcqNebqkrmlH+2
  Network IP location

Signature (15cnts)

Level Description
warning File has been identified by 25 AntiVirus engines on VirusTotal as malicious
watch Communicates with host for which no DNS query was performed
watch Tries to unhook Windows functions monitored by Cuckoo
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice Queries for potentially installed applications
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
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 (23cnts)

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 Malicious_Packer_Zero Malicious Packer binaries (download)
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)
info zip_file_format ZIP file format binaries (download)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
156.251.17.97 ZA POWER LINE DATACENTER 156.251.17.97 clean

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 SetLastError
 0x40c17c SetFilePointer
 0x40c180 SetErrorMode
 0x40c184 SetEndOfFile
 0x40c188 RemoveDirectoryA
 0x40c18c ReadFile
 0x40c190 LoadLibraryA
 0x40c194 IsDBCSLeadByte
 0x40c198 GetWindowsDirectoryA
 0x40c19c GetVersionExA
 0x40c1a0 GetUserDefaultLangID
 0x40c1a4 GetSystemInfo
 0x40c1a8 GetSystemDefaultLCID
 0x40c1ac GetProcAddress
 0x40c1b0 GetModuleHandleA
 0x40c1b4 GetModuleFileNameA
 0x40c1b8 GetLocaleInfoA
 0x40c1bc GetLastError
 0x40c1c0 GetFullPathNameA
 0x40c1c4 GetFileSize
 0x40c1c8 GetFileAttributesA
 0x40c1cc GetExitCodeProcess
 0x40c1d0 GetEnvironmentVariableA
 0x40c1d4 GetCurrentProcess
 0x40c1d8 GetCommandLineA
 0x40c1dc InterlockedExchange
 0x40c1e0 FormatMessageA
 0x40c1e4 DeleteFileA
 0x40c1e8 CreateProcessA
 0x40c1ec CreateFileA
 0x40c1f0 CreateDirectoryA
 0x40c1f4 CloseHandle
user32.dll
 0x40c1fc TranslateMessage
 0x40c200 SetWindowLongA
 0x40c204 PeekMessageA
 0x40c208 MsgWaitForMultipleObjects
 0x40c20c MessageBoxA
 0x40c210 LoadStringA
 0x40c214 ExitWindowsEx
 0x40c218 DispatchMessageA
 0x40c21c DestroyWindow
 0x40c220 CreateWindowExA
 0x40c224 CallWindowProcA
 0x40c228 CharPrevA
comctl32.dll
 0x40c230 InitCommonControls
advapi32.dll
 0x40c238 AdjustTokenPrivileges

EAT(Export Address Table) is none



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