Analysis Report CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe

Overview

General Information

Sample Name: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe
Analysis ID: 356558
MD5: 4b0c59e06d56f96b602535d32ef842eb
SHA1: bd1fc302cd46654ede8c914438f8dc12552cdf71
SHA256: 83c3850412a66c31e48de8bb8e252982f52b3482a79fadad65b48692a1030a89

Most interesting Screenshot:

Detection

GuLoader
Score: 88
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Potential malicious icon found
Yara detected GuLoader
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
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 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 query CPU information (cpuid)
Contains functionality to read the PEB
Detected potential crypto function
PE file contains strange resources
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)

Classification

AV Detection:

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Multi AV Scanner detection for submitted file
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Virustotal: Detection: 54% Perma Link
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Metadefender: Detection: 21% Perma Link
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe ReversingLabs: Detection: 64%

Compliance:

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Uses 32bit PE files
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

System Summary:

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Potential malicious icon found
Source: initial sample Icon embedded in PE file: bad icon match: 20047c7c70f0e004
Executable has a suspicious name (potential lure to open the executable)
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Static file information: Suspicious name
Initial sample is a PE file and has a suspicious name
Source: initial sample Static PE information: Filename: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Process Stats: CPU usage > 98%
Detected potential crypto function
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_004013B0 0_2_004013B0
PE file contains strange resources
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Sample file is different than original file name gathered from version info
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173000183.0000000000410000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameNarro3.exe vs CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173308848.0000000002090000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Binary or memory string: OriginalFilenameNarro3.exe vs CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe
Uses 32bit PE files
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal88.rans.troj.evad.winEXE@1/0@0/0
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Virustotal: Detection: 54%
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Metadefender: Detection: 21%
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe ReversingLabs: Detection: 64%

Data Obfuscation:

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Yara detected GuLoader
Source: Yara match File source: Process Memory Space: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe PID: 6048, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe PID: 6048, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_00407201 push ds; retf 0_2_00407240
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_004082EF push eax; retf 0_2_004082F6
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F5701 push eax; ret 0_2_020F5702
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F534F push es; ret 0_2_020F5357
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe RDTSC instruction interceptor: First address: 00000000020F5008 second address: 00000000020F5008 instructions:
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173395920.00000000020F0000.00000040.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEF9
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe RDTSC instruction interceptor: First address: 00000000020F5008 second address: 00000000020F5008 instructions:
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F440B rdtsc 0_2_020F440B
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173395920.00000000020F0000.00000040.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exef9
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

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Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F440B rdtsc 0_2_020F440B
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F2A58 mov eax, dword ptr fs:[00000030h] 0_2_020F2A58
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F1C89 mov eax, dword ptr fs:[00000030h] 0_2_020F1C89
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F1C87 mov eax, dword ptr fs:[00000030h] 0_2_020F1C87
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F1CEB mov eax, dword ptr fs:[00000030h] 0_2_020F1CEB
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F497E mov eax, dword ptr fs:[00000030h] 0_2_020F497E
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F4DEF mov eax, dword ptr fs:[00000030h] 0_2_020F4DEF
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173228044.0000000000C70000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173228044.0000000000C70000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173228044.0000000000C70000.00000002.00000001.sdmp Binary or memory string: Progman
Source: CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe, 00000000.00000002.1173228044.0000000000C70000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Contains functionality to query CPU information (cpuid)
Source: C:\Users\user\Desktop\CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe Code function: 0_2_020F4E1E cpuid 0_2_020F4E1E
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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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 356558 Sample: CaixaBank Payments Consumer... Startdate: 23/02/2021 Architecture: WINDOWS Score: 88 7 Potential malicious icon found 2->7 9 Multi AV Scanner detection for submitted file 2->9 11 Yara detected GuLoader 2->11 13 6 other signatures 2->13 5 CaixaBank Payments Consumer Factura Leasing del 22 DE FEBRERO DE 2021 Contrato 7621780..exe 2->5         started        process3
No contacted IP infos