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Analysis Report Hotelization1.exe

Overview

General Information

Sample Name:Hotelization1.exe
Analysis ID:356481
MD5:e9fe792682164781809becea8a7a3902
SHA1:ec474df86437d7d85b23b1e45de5b1c250ab56d6
SHA256:0b2d52ea23f34796033d9d4f2bc2de17ad413e7fb82089faf7c55bc454a192cf
Tags:exeGuLoader

Most interesting Screenshot:

Detection

GuLoader
Score:68
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected VB6 Downloader Generic
Abnormal high CPU Usage
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to read the PEB
Detected potential crypto function
Found inlined nop instructions (likely shell or obfuscated code)
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

Startup

  • System is w10x64
  • Hotelization1.exe (PID: 3360 cmdline: 'C:\Users\user\Desktop\Hotelization1.exe' MD5: E9FE792682164781809BECEA8A7A3902)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
Process Memory Space: Hotelization1.exe PID: 3360JoeSecurity_VB6DownloaderGenericYara detected VB6 Downloader GenericJoe Security
    Process Memory Space: Hotelization1.exe PID: 3360JoeSecurity_GuLoaderYara detected GuLoaderJoe Security

      Sigma Overview

      No Sigma rule has matched

      Signature Overview

      Click to jump to signature section

      Show All Signature Results

      AV Detection:

      barindex
      Multi AV Scanner detection for submitted fileShow sources
      Source: Hotelization1.exeReversingLabs: Detection: 21%

      Compliance:

      barindex
      Uses 32bit PE filesShow sources
      Source: Hotelization1.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 4x nop then jne 020E5481h
      Source: C:\Users\user\Desktop\Hotelization1.exeProcess Stats: CPU usage > 98%
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00402659
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040185A
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00402609
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040180D
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040161E
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004028EF
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004026FA
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004026A4
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004024B5
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040274C
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00402564
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040250C
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004027C8
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004027A7
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004027B6
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_004025BC
      Source: Hotelization1.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      Source: classification engineClassification label: mal68.troj.evad.winEXE@1/0@0/0
      Source: C:\Users\user\Desktop\Hotelization1.exeFile created: C:\Users\user\AppData\Local\Temp\~DF3AF5D2DA9F942D5F.TMPJump to behavior
      Source: Hotelization1.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      Source: C:\Users\user\Desktop\Hotelization1.exeSection loaded: C:\Windows\SysWOW64\msvbvm60.dll
      Source: C:\Users\user\Desktop\Hotelization1.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
      Source: Hotelization1.exeReversingLabs: Detection: 21%

      Data Obfuscation:

      barindex
      Yara detected GuLoaderShow sources
      Source: Yara matchFile source: Process Memory Space: Hotelization1.exe PID: 3360, type: MEMORY
      Yara detected VB6 Downloader GenericShow sources
      Source: Yara matchFile source: Process Memory Space: Hotelization1.exe PID: 3360, type: MEMORY
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00406437 push ds; iretd
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00403EA3 push esi; retf
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_0040274C push eax; retf
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_00402FFF push ds; ret
      Source: C:\Users\user\Desktop\Hotelization1.exeProcess information set: NOOPENFILEERRORBOX

      Malware Analysis System Evasion:

      barindex
      Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)Show sources
      Source: Hotelization1.exeBinary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
      Tries to detect virtualization through RDTSC time measurementsShow sources
      Source: C:\Users\user\Desktop\Hotelization1.exeRDTSC instruction interceptor: First address: 00000000020E2761 second address: 00000000020E2761 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007F6560A1C59Dh 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d pop ecx 0x0000001e cmp bh, ch 0x00000020 pushad 0x00000021 mov bh, 82h 0x00000023 cmp bh, FFFFFF82h 0x00000026 jne 00007F6560A1BC79h 0x0000002c popad 0x0000002d add edi, edx 0x0000002f test bl, al 0x00000031 dec ecx 0x00000032 cmp ecx, 00000000h 0x00000035 jne 00007F6560A1C53Fh 0x00000037 push ecx 0x00000038 test ah, 00000038h 0x0000003b call 00007F6560A1C588h 0x00000040 call 00007F6560A1C5ADh 0x00000045 lfence 0x00000048 mov edx, dword ptr [7FFE0014h] 0x0000004e lfence 0x00000051 ret 0x00000052 mov esi, edx 0x00000054 pushad 0x00000055 rdtsc
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E2030 rdtsc
      Source: Hotelization1.exeBinary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E2030 rdtsc
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E1A0A mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E1827 mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E4A9E mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E50DF mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E50DA mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E4358 mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E13C1 mov eax, dword ptr fs:[00000030h]
      Source: C:\Users\user\Desktop\Hotelization1.exeCode function: 0_2_020E25EE mov eax, dword ptr fs:[00000030h]
      Source: Hotelization1.exe, 00000000.00000002.734355506.0000000000C60000.00000002.00000001.sdmpBinary or memory string: Program Manager
      Source: Hotelization1.exe, 00000000.00000002.734355506.0000000000C60000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
      Source: Hotelization1.exe, 00000000.00000002.734355506.0000000000C60000.00000002.00000001.sdmpBinary or memory string: Progman
      Source: Hotelization1.exe, 00000000.00000002.734355506.0000000000C60000.00000002.00000001.sdmpBinary or memory string: Progmanlock

      Mitre Att&ck Matrix

      Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionExfiltrationCommand and ControlNetwork EffectsRemote Service EffectsImpact
      Valid AccountsWindows Management InstrumentationPath InterceptionProcess Injection1Process Injection1OS Credential DumpingSecurity Software Discovery211Remote ServicesArchive Collected Data1Exfiltration Over Other Network MediumEncrypted Channel1Eavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
      Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsObfuscated Files or Information2LSASS MemoryProcess Discovery1Remote Desktop ProtocolData from Removable MediaExfiltration Over BluetoothJunk DataExploit SS7 to Redirect Phone Calls/SMSRemotely Wipe Data Without AuthorizationDevice Lockout
      Domain AccountsAt (Linux)Logon Script (Windows)Logon Script (Windows)Obfuscated Files or InformationSecurity Account ManagerSystem Information Discovery11SMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data

      Behavior Graph

      Hide Legend

      Legend:

      • Process
      • Signature
      • Created File
      • DNS/IP Info
      • Is Dropped
      • Is Windows Process
      • Number of created Registry Values
      • Number of created Files
      • Visual Basic
      • Delphi
      • Java
      • .Net C# or VB.NET
      • C, C++ or other language
      • Is malicious
      • Internet

      Screenshots

      Thumbnails

      This section contains all screenshots as thumbnails, including those not shown in the slideshow.

      windows-stand

      Antivirus, Machine Learning and Genetic Malware Detection

      Initial Sample

      SourceDetectionScannerLabelLink
      Hotelization1.exe21%ReversingLabsWin32.Worm.Wbvb

      Dropped Files

      No Antivirus matches

      Unpacked PE Files

      No Antivirus matches

      Domains

      No Antivirus matches

      URLs

      No Antivirus matches

      Domains and IPs

      Contacted Domains

      No contacted domains info

      Contacted IPs

      No contacted IP infos

      General Information

      Joe Sandbox Version:31.0.0 Emerald
      Analysis ID:356481
      Start date:23.02.2021
      Start time:08:42:26
      Joe Sandbox Product:CloudBasic
      Overall analysis duration:0h 6m 56s
      Hypervisor based Inspection enabled:false
      Report type:light
      Sample file name:Hotelization1.exe
      Cookbook file name:default.jbs
      Analysis system description:Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
      Number of analysed new started processes analysed:16
      Number of new started drivers analysed:0
      Number of existing processes analysed:0
      Number of existing drivers analysed:0
      Number of injected processes analysed:0
      Technologies:
      • HCA enabled
      • EGA enabled
      • HDC enabled
      • AMSI enabled
      Analysis Mode:default
      Analysis stop reason:Timeout
      Detection:MAL
      Classification:mal68.troj.evad.winEXE@1/0@0/0
      EGA Information:Failed
      HDC Information:
      • Successful, ratio: 23.3% (good quality ratio 11.7%)
      • Quality average: 23.9%
      • Quality standard deviation: 25.3%
      HCA Information:Failed
      Cookbook Comments:
      • Adjust boot time
      • Enable AMSI
      • Found application associated with file extension: .exe
      • Override analysis time to 240s for sample files taking high CPU consumption
      Warnings:
      Show All
      • Exclude process from analysis (whitelisted): taskhostw.exe, MpCmdRun.exe, audiodg.exe, WMIADAP.exe, SgrmBroker.exe, conhost.exe, backgroundTaskHost.exe, svchost.exe, UsoClient.exe

      Simulations

      Behavior and APIs

      No simulations

      Joe Sandbox View / Context

      IPs

      No context

      Domains

      No context

      ASN

      No context

      JA3 Fingerprints

      No context

      Dropped Files

      No context

      Created / dropped Files

      No created / dropped files found

      Static File Info

      General

      File type:PE32 executable (GUI) Intel 80386, for MS Windows
      Entropy (8bit):5.478532768183019
      TrID:
      • Win32 Executable (generic) a (10002005/4) 99.15%
      • Win32 Executable Microsoft Visual Basic 6 (82127/2) 0.81%
      • Generic Win/DOS Executable (2004/3) 0.02%
      • DOS Executable Generic (2002/1) 0.02%
      • Autodesk FLIC Image File (extensions: flc, fli, cel) (7/3) 0.00%
      File name:Hotelization1.exe
      File size:73728
      MD5:e9fe792682164781809becea8a7a3902
      SHA1:ec474df86437d7d85b23b1e45de5b1c250ab56d6
      SHA256:0b2d52ea23f34796033d9d4f2bc2de17ad413e7fb82089faf7c55bc454a192cf
      SHA512:5b399ebeef7b57a787f84f4e0b1b76818b6f4732f0099abebcd65a4cf8eed9874b9b0dacadb7d581c3afb4c1f61d598a91e4e04f4056a98e658f00c65d6240c8
      SSDEEP:1536:mZD/Ptb05trMj2cCGQnaOSRlZTbUYJ9nGEOWD:mZjdOtOtCGQnaO0lpbU+NGEOW
      File Content Preview:MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......O.......................D.......=.......Rich............PE..L......T.....................0....................@................

      File Icon

      Icon Hash:1e74f2ea62e4a082

      Static PE Info

      General

      Entrypoint:0x401494
      Entrypoint Section:.text
      Digitally signed:false
      Imagebase:0x400000
      Subsystem:windows gui
      Image File Characteristics:LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      DLL Characteristics:
      Time Stamp:0x54B5CFAE [Wed Jan 14 02:08:46 2015 UTC]
      TLS Callbacks:
      CLR (.Net) Version:
      OS Version Major:4
      OS Version Minor:0
      File Version Major:4
      File Version Minor:0
      Subsystem Version Major:4
      Subsystem Version Minor:0
      Import Hash:b84199caadebcbcd5f63d7b7de7ff518

      Entrypoint Preview

      Instruction
      push 0040A108h
      call 00007F65609EE103h
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      xor byte ptr [eax], al
      add byte ptr [eax], al
      inc eax
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax-6EB4BD71h], ah
      dec edx
      dec esi
      stosb
      mov cl, 2Eh
      fcom st(0), st(2)
      movsb
      xchg byte ptr [ebp+00h], cl
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [ecx], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [edx+6Fh], dl
      je 00007F65609EE181h
      je 00007F65609EE17Bh
      insb
      insb
      jnc 00007F65609EE112h
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      dec esp
      xor dword ptr [eax], eax
      or esp, ecx
      sbb byte ptr [ebx-50409C5Eh], cl
      inc ebx
      cmpsb
      popfd
      fild dword ptr [ebx+775E5EDAh]
      jp 00007F65609EE0AAh
      mov esi, BE15D362h
      dec esi
      mov al, byte ptr [ebx]
      sbb dword ptr [edi+73F8EEF4h], ebx
      cmp cl, byte ptr [edi-53h]
      xor ebx, dword ptr [ecx-48EE309Ah]
      or al, 00h
      stosb
      add byte ptr [eax-2Dh], ah
      xchg eax, ebx
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      jnc 00007F65609EE09Dh
      add byte ptr [eax], al
      adc eax, 00000009h
      or al, byte ptr [eax]
      imul ebp, dword ptr [esp+ebp*2+61h], 62617370h
      insb
      add byte ptr [42000901h], cl
      imul ebp, dword ptr [esp+ebp*2+65h], 00000000h

      Data Directories

      NameVirtual AddressVirtual Size Is in Section
      IMAGE_DIRECTORY_ENTRY_EXPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_IMPORT0xf2140x28.text
      IMAGE_DIRECTORY_ENTRY_RESOURCE0x120000xc14.rsrc
      IMAGE_DIRECTORY_ENTRY_EXCEPTION0x00x0
      IMAGE_DIRECTORY_ENTRY_SECURITY0x00x0
      IMAGE_DIRECTORY_ENTRY_BASERELOC0x00x0
      IMAGE_DIRECTORY_ENTRY_DEBUG0x00x0
      IMAGE_DIRECTORY_ENTRY_COPYRIGHT0x00x0
      IMAGE_DIRECTORY_ENTRY_GLOBALPTR0x00x0
      IMAGE_DIRECTORY_ENTRY_TLS0x00x0
      IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG0x00x0
      IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT0x2280x20
      IMAGE_DIRECTORY_ENTRY_IAT0x10000x150.text
      IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR0x00x0
      IMAGE_DIRECTORY_ENTRY_RESERVED0x00x0

      Sections

      NameVirtual AddressVirtual SizeRaw SizeXored PEZLIB ComplexityFile TypeEntropyCharacteristics
      .text0x10000xe7b40xf000False0.399593098958data6.01634189749IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      .data0x100000x12180x1000False0.00634765625data0.0IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
      .rsrc0x120000xc140x1000False0.264892578125data2.91279049322IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

      Resources

      NameRVASizeTypeLanguageCountry
      RT_ICON0x1236c0x8a8data
      RT_GROUP_ICON0x123580x14data
      RT_VERSION0x120f00x268MS Windows COFF Motorola 68000 object fileEnglishUnited States

      Imports

      DLLImport
      MSVBVM60.DLL_CIcos, _adj_fptan, __vbaVarMove, __vbaFreeVar, __vbaStrVarMove, __vbaLenBstr, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaStrCat, __vbaSetSystemError, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaAryDestruct, __vbaVarForInit, __vbaObjSet, _adj_fdiv_m16i, _adj_fdivr_m16i, __vbaFpR8, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaGenerateBoundsError, __vbaStrCmp, __vbaAryConstruct2, __vbaVarTstEq, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, __vbaUI1I2, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, __vbaStrToUnicode, _adj_fprem, _adj_fdivr_m64, __vbaFPException, __vbaStrVarVal, _CIlog, __vbaErrorOverflow, __vbaNew2, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarAdd, __vbaLateMemCall, __vbaStrToAnsi, __vbaVarDup, _CIatan, __vbaStrMove, _allmul, _CItan, __vbaVarForNext, _CIexp, __vbaFreeStr, __vbaFreeObj

      Version Infos

      DescriptionData
      Translation0x0409 0x04b0
      InternalNameHotelization1
      FileVersion1.00
      CompanyNameLog
      ProductNameLog Inverter
      ProductVersion1.00
      FileDescriptionLog Inverter
      OriginalFilenameHotelization1.exe

      Possible Origin

      Language of compilation systemCountry where language is spokenMap
      EnglishUnited States

      Network Behavior

      No network behavior found

      Code Manipulations

      Statistics

      System Behavior

      General

      Start time:08:43:18
      Start date:23/02/2021
      Path:C:\Users\user\Desktop\Hotelization1.exe
      Wow64 process (32bit):true
      Commandline:'C:\Users\user\Desktop\Hotelization1.exe'
      Imagebase:0x400000
      File size:73728 bytes
      MD5 hash:E9FE792682164781809BECEA8A7A3902
      Has elevated privileges:true
      Has administrator privileges:true
      Programmed in:Visual Basic
      Reputation:low

      Disassembly

      Code Analysis

      Reset < >