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Analysis Report Bank details.exe

Overview

General Information

Sample Name:Bank details.exe
Analysis ID:379006
MD5:2b96d5a21ce0c535e5558175f5157bc3
SHA1:aafbb78f4c8fdba1354636f9a83affc3a55223c0
SHA256:33a9607ff9672894cd9bf3fd3ba21dde6a220de4601c2da9479a9e059764d35b
Tags:exeGuLoader
Infos:

Most interesting Screenshot:

Detection

GuLoader
Score:72
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Found potential dummy code loops (likely to delay analysis)
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
Creates a DirectInput object (often for capturing keystrokes)
Program does not show much activity (idle)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

Startup

  • System is w10x64
  • Bank details.exe (PID: 6464 cmdline: 'C:\Users\user\Desktop\Bank details.exe' MD5: 2B96D5A21CE0C535E5558175F5157BC3)
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
Process Memory Space: Bank details.exe PID: 6464JoeSecurity_VB6DownloaderGenericYara detected VB6 Downloader GenericJoe Security
    Process Memory Space: Bank details.exe PID: 6464JoeSecurity_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: Bank details.exeVirustotal: Detection: 44%Perma Link
      Source: Bank details.exeReversingLabs: Detection: 48%
      Source: Bank details.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      Source: Bank details.exe, 00000000.00000002.842516311.00000000007EA000.00000004.00000020.sdmpBinary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>
      Source: C:\Users\user\Desktop\Bank details.exeProcess Stats: CPU usage > 98%
      Source: Bank details.exe, 00000000.00000002.841678988.000000000041D000.00000002.00020000.sdmpBinary or memory string: OriginalFilenameResiccate2.exe vs Bank details.exe
      Source: Bank details.exeBinary or memory string: OriginalFilenameResiccate2.exe vs Bank details.exe
      Source: Bank details.exeStatic PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
      Source: classification engineClassification label: mal72.troj.evad.winEXE@1/0@0/0
      Source: C:\Users\user\Desktop\Bank details.exeFile created: C:\Users\user\AppData\Local\Temp\~DF555C1DFBC45B413E.TMPJump to behavior
      Source: Bank details.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      Source: C:\Users\user\Desktop\Bank details.exeSection loaded: C:\Windows\SysWOW64\msvbvm60.dll
      Source: C:\Users\user\Desktop\Bank details.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
      Source: Bank details.exeVirustotal: Detection: 44%
      Source: Bank details.exeReversingLabs: Detection: 48%

      Data Obfuscation:

      barindex
      Yara detected GuLoaderShow sources
      Source: Yara matchFile source: Process Memory Space: Bank details.exe PID: 6464, type: MEMORY
      Yara detected VB6 Downloader GenericShow sources
      Source: Yara matchFile source: Process Memory Space: Bank details.exe PID: 6464, type: MEMORY
      Source: C:\Users\user\Desktop\Bank details.exeCode function: 0_2_00405D0F push ebx; iretd
      Source: C:\Users\user\Desktop\Bank details.exeProcess information set: NOOPENFILEERRORBOX
      Source: C:\Users\user\Desktop\Bank details.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: Bank details.exe, 00000000.00000002.842296160.00000000006D0000.00000040.00000001.sdmpBinary 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\Bank details.exeRDTSC instruction interceptor: First address: 00000000006DB137 second address: 00000000006DB137 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FD140376671h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d test dx, dx 0x00000020 jmp 00007FD140376666h 0x00000022 cmp bh, dh 0x00000024 test al, al 0x00000026 add edi, edx 0x00000028 cmp edx, ebx 0x0000002a dec dword ptr [ebp+000000F8h] 0x00000030 cmp ebx, ecx 0x00000032 cmp dword ptr [ebp+000000F8h], 00000000h 0x00000039 jne 00007FD1403765D9h 0x0000003b cmp bh, bh 0x0000003d call 00007FD1403766D7h 0x00000042 call 00007FD140376681h 0x00000047 lfence 0x0000004a mov edx, dword ptr [7FFE0014h] 0x00000050 lfence 0x00000053 ret 0x00000054 mov esi, edx 0x00000056 pushad 0x00000057 rdtsc
      Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
      Source: Bank details.exe, 00000000.00000002.842296160.00000000006D0000.00000040.00000001.sdmpBinary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

      Anti Debugging:

      barindex
      Found potential dummy code loops (likely to delay analysis)Show sources
      Source: C:\Users\user\Desktop\Bank details.exeProcess Stats: CPU usage > 90% for more than 60s
      Source: all processesThread injection, dropped files, key value created, disk infection and DNS query: no activity detected
      Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
      Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmpBinary or memory string: Progman
      Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmpBinary or memory string: &Program Manager
      Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.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 Injection1Virtualization/Sandbox Evasion11Input Capture1Security Software Discovery31Remote ServicesInput Capture1Exfiltration Over Other Network MediumData ObfuscationEavesdrop on Insecure Network CommunicationRemotely Track Device Without AuthorizationModify System Partition
      Default AccountsScheduled Task/JobBoot or Logon Initialization ScriptsBoot or Logon Initialization ScriptsProcess Injection1LSASS MemoryVirtualization/Sandbox Evasion11Remote 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 Information1Security Account ManagerProcess Discovery1SMB/Windows Admin SharesData from Network Shared DriveAutomated ExfiltrationSteganographyExploit SS7 to Track Device LocationObtain Device Cloud BackupsDelete Device Data
      Local AccountsAt (Windows)Logon Script (Mac)Logon Script (Mac)Binary PaddingNTDSSystem Information Discovery11Distributed Component Object ModelInput CaptureScheduled TransferProtocol ImpersonationSIM Card SwapCarrier Billing Fraud

      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
      Bank details.exe45%VirustotalBrowse
      Bank details.exe48%ReversingLabsWin32.Trojan.Generic

      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:379006
      Start date:31.03.2021
      Start time:12:54:36
      Joe Sandbox Product:CloudBasic
      Overall analysis duration:0h 6m 57s
      Hypervisor based Inspection enabled:false
      Report type:light
      Sample file name:Bank details.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:21
      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:mal72.troj.evad.winEXE@1/0@0/0
      EGA Information:Failed
      HDC Information:
      • Successful, ratio: 96.7% (good quality ratio 56.7%)
      • Quality average: 39.2%
      • Quality standard deviation: 36%
      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
      • Behavior information exceeds normal sizes, reducing to normal. Report will have missing behavior information.
      • Exclude process from analysis (whitelisted): MpCmdRun.exe, audiodg.exe, BackgroundTransferHost.exe, WMIADAP.exe, backgroundTaskHost.exe, conhost.exe, svchost.exe, wuapihost.exe
      • Report size getting too big, too many NtAllocateVirtualMemory calls found.

      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):4.702089907294954
      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:Bank details.exe
      File size:131072
      MD5:2b96d5a21ce0c535e5558175f5157bc3
      SHA1:aafbb78f4c8fdba1354636f9a83affc3a55223c0
      SHA256:33a9607ff9672894cd9bf3fd3ba21dde6a220de4601c2da9479a9e059764d35b
      SHA512:b14039e3e039b1df7cfc109b2d8ef7c0850e9e307321ac5d40bbb7c565f92994dca27632995f4333f78830a91a21784c5ff402bc15885d69a1d3c61acbb1f808
      SSDEEP:1536:GLLlVJNiYwvn8qE4FnN8t/FAwBDffPz4gQkCt:GLLlZoU4FnN8dFAQX745kC
      File Content Preview:MZ......................@...............................................!..L.!This program cannot be run in DOS mode....$.......O.......................D.......=.......Rich............PE..L...;.WN.....................`....................@................

      File Icon

      Icon Hash:d230f0e47064cc00

      Static PE Info

      General

      Entrypoint:0x4013d8
      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:0x4E570E3B [Fri Aug 26 03:08:43 2011 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:399e3e9a5cc2cd2a186a8a2e044492e1

      Entrypoint Preview

      Instruction
      push 00414A2Ch
      call 00007FD140772F73h
      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], dh
      stosd
      popad
      sbb ebp, ebx
      sbb dword ptr [ebx], esp
      dec esi
      lea ecx, dword ptr [eax+77C97133h]
      jne 00007FD140772FD5h
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add dword ptr [eax], eax
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      push eax
      dec edi
      dec esp
      inc ecx
      push edx
      dec ecx
      push ebx
      inc ebp
      push edx
      dec ecx
      dec esi
      inc edi
      push ebx
      add byte ptr [eax], al
      add byte ptr [eax], al
      add byte ptr [eax], al
      add bh, bh
      int3
      xor dword ptr [eax], eax
      adc al, 73h
      mov bl, 17h
      out 69h, al
      or esi, esi
      dec edi
      mov ds, word ptr [ecx-07h]
      fld1
      pop eax
      loop 00007FD140772FCAh
      xchg eax, ebp
      adc dword ptr [57EA1D52h], 4Ah
      stosd
      and dword ptr [edi], edi
      fiadd dword ptr [ebx+34h]
      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
      mov byte ptr [32620001h], dh
      add dword ptr [eax], eax
      add byte ptr [eax], cl
      add byte ptr [esi+61h], dl
      outsb
      add byte ptr fs:[72000701h], cl
      outsd
      jns 00007FD140772FE3h
      insb
      insb

      Data Directories

      NameVirtual AddressVirtual Size Is in Section
      IMAGE_DIRECTORY_ENTRY_EXPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_IMPORT0x1a4940x28.text
      IMAGE_DIRECTORY_ENTRY_RESOURCE0x1d0000x3ebc.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_IAT0x10000x128.text
      IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT0x00x0
      IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR0x00x0
      IMAGE_DIRECTORY_ENTRY_RESERVED0x00x0

      Sections

      NameVirtual AddressVirtual SizeRaw SizeXored PEZLIB ComplexityFile TypeEntropyCharacteristics
      .text0x10000x199540x1a000False0.307626577524data5.04046635888IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      .data0x1b0000x19300x1000False0.00634765625data0.0IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_WRITE, IMAGE_SCN_MEM_READ
      .rsrc0x1d0000x3ebc0x4000False0.292724609375data3.31942687693IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ

      Resources

      NameRVASizeTypeLanguageCountry
      RT_ICON0x1e8140x26a8data
      RT_ICON0x1db6c0xca8data
      RT_ICON0x1d4240x748data
      RT_GROUP_ICON0x1d3f40x30data
      RT_VERSION0x1d1500x2a4dataEnglishUnited States

      Imports

      DLLImport
      MSVBVM60.DLL_CIcos, _adj_fptan, __vbaFreeVar, __vbaStrVarMove, __vbaFreeVarList, _adj_fdiv_m64, __vbaFreeObjList, _adj_fprem1, __vbaHresultCheckObj, _adj_fdiv_m32, __vbaVarForInit, __vbaObjSet, _adj_fdiv_m16i, __vbaObjSetAddref, _adj_fdivr_m16i, _CIsin, __vbaChkstk, EVENT_SINK_AddRef, __vbaStrCmp, DllFunctionCall, _adj_fpatan, __vbaLateIdCallLd, EVENT_SINK_Release, _CIsqrt, EVENT_SINK_QueryInterface, __vbaExceptHandler, _adj_fprem, _adj_fdivr_m64, __vbaI2Str, __vbaFPException, _CIlog, __vbaFileOpen, __vbaNew2, __vbaInStr, _adj_fdiv_m32i, _adj_fdivr_m32i, __vbaStrCopy, __vbaFreeStrList, _adj_fdivr_m32, _adj_fdiv_r, __vbaVarTstNe, __vbaI4Var, __vbaVarDup, __vbaFpI4, _CIatan, __vbaStrMove, __vbaCastObj, _allmul, __vbaLateIdSt, _CItan, __vbaVarForNext, _CIexp, __vbaFreeObj, __vbaFreeStr

      Version Infos

      DescriptionData
      Translation0x0409 0x04b0
      InternalNameResiccate2
      FileVersion9.04.0012
      CompanyNameJelly MUX, Inc.
      CommentsJelly MUX
      ProductNameJelly MUX
      ProductVersion9.04.0012
      FileDescriptionJelly MUX
      OriginalFilenameResiccate2.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:12:55:23
      Start date:31/03/2021
      Path:C:\Users\user\Desktop\Bank details.exe
      Wow64 process (32bit):true
      Commandline:'C:\Users\user\Desktop\Bank details.exe'
      Imagebase:0x400000
      File size:131072 bytes
      MD5 hash:2B96D5A21CE0C535E5558175F5157BC3
      Has elevated privileges:true
      Has administrator privileges:true
      Programmed in:Visual Basic
      Reputation:low

      Disassembly

      Code Analysis

      Reset < >