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Analysis Report 0856327_Invoice_confirmation.exe

Overview

General Information

Sample Name:0856327_Invoice_confirmation.exe
Analysis ID:279576
MD5:ab80731119358da5939cdfcaa4e9fb58
SHA1:973aa05c10234fbe799579986e10cde76fb5be2a
SHA256:ce5d332b2d4750d7a203ae797e7de423632bb16284ec2c12c04a63e8295bd887

Most interesting Screenshot:

Detection

GuLoader
Score:80
Range:0 - 100
Whitelisted:false
Confidence:100%

Signatures

Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected GuLoader
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Tries to detect virtualization through RDTSC time measurements
Yara detected VB6 Downloader Generic
Abnormal high CPU Usage
Antivirus or Machine Learning detection for unpacked file
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to read the PEB
Sample file is different than original file name gathered from version info

Classification

Startup

  • System is w10x64
  • cleanup

Malware Configuration

No configs have been found

Yara Overview

Memory Dumps

SourceRuleDescriptionAuthorStrings
Process Memory Space: 0856327_Invoice_confirmation.exe PID: 6740JoeSecurity_VB6DownloaderGenericYara detected VB6 Downloader GenericJoe Security
    Process Memory Space: 0856327_Invoice_confirmation.exe PID: 6740JoeSecurity_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
      Antivirus / Scanner detection for submitted sampleShow sources
      Source: 0856327_Invoice_confirmation.exeAvira: detected
      Multi AV Scanner detection for submitted fileShow sources
      Source: 0856327_Invoice_confirmation.exeReversingLabs: Detection: 25%
      Source: 0.0.0856327_Invoice_confirmation.exe.400000.0.unpackAvira: Label: TR/AD.VBCryptor.asbeb

      System Summary:

      barindex
      Executable has a suspicious name (potential lure to open the executable)Show sources
      Source: 0856327_Invoice_confirmation.exeStatic file information: Suspicious name
      Initial sample is a PE file and has a suspicious nameShow sources
      Source: initial sampleStatic PE information: Filename: 0856327_Invoice_confirmation.exe
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess Stats: CPU usage > 98%
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456158904.0000000000413000.00000002.00020000.sdmpBinary or memory string: OriginalFilenameSymbolism1.exe vs 0856327_Invoice_confirmation.exe
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456845658.00000000021F0000.00000002.00000001.sdmpBinary or memory string: OriginalFilenameuser32j% vs 0856327_Invoice_confirmation.exe
      Source: 0856327_Invoice_confirmation.exeBinary or memory string: OriginalFilenameSymbolism1.exe vs 0856327_Invoice_confirmation.exe
      Source: classification engineClassification label: mal80.troj.evad.winEXE@1/0@0/0
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeFile created: C:\Users\user\AppData\Local\Temp\~DF090C6F16862CF60B.TMPJump to behavior
      Source: 0856327_Invoice_confirmation.exeStatic PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeSection loaded: C:\Windows\SysWOW64\msvbvm60.dllJump to behavior
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeKey opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiersJump to behavior
      Source: 0856327_Invoice_confirmation.exeReversingLabs: Detection: 25%

      Data Obfuscation:

      barindex
      Yara detected GuLoaderShow sources
      Source: Yara matchFile source: Process Memory Space: 0856327_Invoice_confirmation.exe PID: 6740, type: MEMORY
      Yara detected VB6 Downloader GenericShow sources
      Source: Yara matchFile source: Process Memory Space: 0856327_Invoice_confirmation.exe PID: 6740, type: MEMORY
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess information set: NOOPENFILEERRORBOXJump to behavior
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeProcess information set: NOOPENFILEERRORBOXJump to behavior

      Malware Analysis System Evasion:

      barindex
      Tries to detect virtualization through RDTSC time measurementsShow sources
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeRDTSC instruction interceptor: First address: 00000000022250AC second address: 00000000022250AC instructions: 0x00000000 rdtsc 0x00000002 mov eax, 00000001h 0x00000007 cpuid 0x00000009 popad 0x0000000a call 00007F64649159A8h 0x0000000f lfence 0x00000012 mov edx, dword ptr [7FFE0014h] 0x00000018 lfence 0x0000001b ret 0x0000001c sub edx, esi 0x0000001e ret 0x0000001f cmp ch, dh 0x00000021 cmp ch, ah 0x00000023 pop ecx 0x00000024 cmp bl, cl 0x00000026 add edi, edx 0x00000028 dec ecx 0x00000029 test bh, 0000002Eh 0x0000002c cmp ecx, 00000000h 0x0000002f jne 00007F646491598Ah 0x00000031 push ecx 0x00000032 call 00007F64649159CBh 0x00000037 call 00007F64649159BAh 0x0000003c lfence 0x0000003f mov edx, dword ptr [7FFE0014h] 0x00000045 lfence 0x00000048 ret 0x00000049 mov esi, edx 0x0000004b pushad 0x0000004c rdtsc
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_02224210 rdtsc 0_2_02224210
      Source: 0856327_Invoice_confirmation.exeBinary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_02224210 rdtsc 0_2_02224210
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_0222A008 mov eax, dword ptr fs:[00000030h]0_2_0222A008
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_022226E4 mov eax, dword ptr fs:[00000030h]0_2_022226E4
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_02224FE5 mov eax, dword ptr fs:[00000030h]0_2_02224FE5
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_0222348F mov eax, dword ptr fs:[00000030h]0_2_0222348F
      Source: C:\Users\user\Desktop\0856327_Invoice_confirmation.exeCode function: 0_2_022299A7 mov eax, dword ptr fs:[00000030h]0_2_022299A7
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456706281.0000000000DD0000.00000002.00000001.sdmpBinary or memory string: Program Manager
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456706281.0000000000DD0000.00000002.00000001.sdmpBinary or memory string: Shell_TrayWnd
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456706281.0000000000DD0000.00000002.00000001.sdmpBinary or memory string: Progman
      Source: 0856327_Invoice_confirmation.exe, 00000000.00000002.456706281.0000000000DD0000.00000002.00000001.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 Injection1Software Packing1OS Credential DumpingSecurity Software Discovery111Remote ServicesData from Local SystemExfiltration 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 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.