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

AV Detection:

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Multi AV Scanner detection for submitted file
Source: Bank details.exe Virustotal: Detection: 44% Perma Link
Source: Bank details.exe ReversingLabs: Detection: 48%

Compliance:

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Uses 32bit PE files
Source: Bank details.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

Key, Mouse, Clipboard, Microphone and Screen Capturing:

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Creates a DirectInput object (often for capturing keystrokes)
Source: Bank details.exe, 00000000.00000002.842516311.00000000007EA000.00000004.00000020.sdmp Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

System Summary:

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Abnormal high CPU Usage
Source: C:\Users\user\Desktop\Bank details.exe Process Stats: CPU usage > 98%
Sample file is different than original file name gathered from version info
Source: Bank details.exe, 00000000.00000002.841678988.000000000041D000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameResiccate2.exe vs Bank details.exe
Source: Bank details.exe Binary or memory string: OriginalFilenameResiccate2.exe vs Bank details.exe
Uses 32bit PE files
Source: Bank details.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal72.troj.evad.winEXE@1/0@0/0
Source: C:\Users\user\Desktop\Bank details.exe File created: C:\Users\user\AppData\Local\Temp\~DF555C1DFBC45B413E.TMP Jump to behavior
Source: Bank details.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\Bank details.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\Bank details.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: Bank details.exe Virustotal: Detection: 44%
Source: Bank details.exe ReversingLabs: Detection: 48%

Data Obfuscation:

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Yara detected GuLoader
Source: Yara match File source: Process Memory Space: Bank details.exe PID: 6464, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: Bank details.exe PID: 6464, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\Bank details.exe Code function: 0_2_00405D0F push ebx; iretd 0_2_00405D10
Source: C:\Users\user\Desktop\Bank details.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\Bank details.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: Bank details.exe, 00000000.00000002.842296160.00000000006D0000.00000040.00000001.sdmp 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\Bank details.exe RDTSC 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
Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: Bank details.exe, 00000000.00000002.842296160.00000000006D0000.00000040.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

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Found potential dummy code loops (likely to delay analysis)
Source: C:\Users\user\Desktop\Bank details.exe Process Stats: CPU usage > 90% for more than 60s
Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmp Binary or memory string: Progman
Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmp Binary or memory string: &Program Manager
Source: Bank details.exe, 00000000.00000002.842577944.0000000000E70000.00000002.00000001.sdmp Binary or memory string: Progmanlock
windows-stand
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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: 379006 Sample: Bank details.exe Startdate: 31/03/2021 Architecture: WINDOWS Score: 72 7 Multi AV Scanner detection for submitted file 2->7 9 Yara detected GuLoader 2->9 11 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->11 13 3 other signatures 2->13 5 Bank details.exe 1 1 2->5         started        process3
No contacted IP infos