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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.dllJump to behavior
      Source: C:\Users\user\Desktop\Bank details.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
      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 0_2_00405D10
      Source: C:\Users\user\Desktop\Bank details.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
      Source: C:\Users\user\Desktop\Bank details.exeProcess information set: NOOPENFILEERRORBOXJump to behavior

      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

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      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

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