Analysis Report Zahlung_03242021_jpg.scr

Overview

General Information

Sample Name: Zahlung_03242021_jpg.scr (renamed file extension from scr to exe)
Analysis ID: 377275
MD5: 6540b24ec7d131ccbc57624915f9180c
SHA1: 2c29267c98ff52bb6a44e3e3dca1c0d1c668c870
SHA256: ea36f17e9a118b567da5b9be48f13527cdd109da17d5e5abb0809f9356622f9b
Infos:

Most interesting Screenshot:

Detection

GuLoader
Score: 76
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Contains functionality to detect hardware virtualization (CPUID execution measurement)
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
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to read the PEB
Found large amount of non-executed APIs
PE file contains strange resources
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: Zahlung_03242021_jpg.exe Virustotal: Detection: 64% Perma Link
Source: Zahlung_03242021_jpg.exe Metadefender: Detection: 24% Perma Link
Source: Zahlung_03242021_jpg.exe ReversingLabs: Detection: 75%

Compliance:

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Uses 32bit PE files
Source: Zahlung_03242021_jpg.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED

System Summary:

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Abnormal high CPU Usage
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Process Stats: CPU usage > 98%
PE file contains strange resources
Source: Zahlung_03242021_jpg.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: Zahlung_03242021_jpg.exe, 00000000.00000002.1158313985.0000000000417000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameConfidency.exe vs Zahlung_03242021_jpg.exe
Source: Zahlung_03242021_jpg.exe, 00000000.00000002.1159005735.0000000002B30000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameConfidency.exeFE2X/ vs Zahlung_03242021_jpg.exe
Source: Zahlung_03242021_jpg.exe Binary or memory string: OriginalFilenameConfidency.exe vs Zahlung_03242021_jpg.exe
Uses 32bit PE files
Source: Zahlung_03242021_jpg.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: classification engine Classification label: mal76.troj.evad.winEXE@1/0@0/0
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe File created: C:\Users\user\AppData\Local\Temp\~DF191876E3B643CC71.TMP Jump to behavior
Source: Zahlung_03242021_jpg.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: Zahlung_03242021_jpg.exe Virustotal: Detection: 64%
Source: Zahlung_03242021_jpg.exe Metadefender: Detection: 24%
Source: Zahlung_03242021_jpg.exe ReversingLabs: Detection: 75%

Data Obfuscation:

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Yara detected GuLoader
Source: Yara match File source: Process Memory Space: Zahlung_03242021_jpg.exe PID: 6464, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: Zahlung_03242021_jpg.exe PID: 6464, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_00408423 push ebp; retf 0_2_0040842F
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_00407EC0 pushfd ; ret 0_2_00407EE9
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_00405A91 push ebx; retf 0_2_00405B20
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_00405B72 push ebx; retf 0_2_00405B20
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_004053B8 push ecx; iretd 0_2_004053BB
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Contains functionality to detect hardware virtualization (CPUID execution measurement)
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02201294 0_2_02201294
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02201310 0_2_02201310
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02201378 0_2_02201378
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: Zahlung_03242021_jpg.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\Zahlung_03242021_jpg.exe RDTSC instruction interceptor: First address: 0000000002204926 second address: 0000000002204926 instructions: 0x00000000 rdtsc 0x00000002 popad 0x00000003 cmp byte ptr [esi+ecx], 00000000h 0x00000007 je 00007FDEA0DE30ECh 0x00000009 inc ecx 0x0000000a cmp ecx, ebx 0x0000000c jnl 00007FDEA0DE306Ch 0x00000012 jmp 00007FDEA0DE315Eh 0x00000014 pushad 0x00000015 mov eax, 0000003Ch 0x0000001a rdtsc
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe RDTSC instruction interceptor: First address: 0000000002204684 second address: 0000000002204684 instructions: 0x00000000 rdtsc 0x00000002 xor eax, eax 0x00000004 inc eax 0x00000005 cpuid 0x00000007 popad 0x00000008 call 00007FDEA0809995h 0x0000000d lfence 0x00000010 mov edx, dword ptr [7FFE0014h] 0x00000016 lfence 0x00000019 ret 0x0000001a sub edx, esi 0x0000001c ret 0x0000001d add edi, edx 0x0000001f cmp eax, 30D55D6Fh 0x00000024 dec dword ptr [ebp+000000F8h] 0x0000002a cmp dword ptr [ebp+000000F8h], 00000000h 0x00000031 jne 00007FDEA0809964h 0x00000033 test cx, bx 0x00000036 call 00007FDEA08099D2h 0x0000003b call 00007FDEA08099A5h 0x00000040 lfence 0x00000043 mov edx, dword ptr [7FFE0014h] 0x00000049 lfence 0x0000004c ret 0x0000004d mov esi, edx 0x0000004f pushad 0x00000050 rdtsc
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_0220467C rdtsc 0_2_0220467C
Found large amount of non-executed APIs
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe API coverage: 0.3 %
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: Zahlung_03242021_jpg.exe 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\Zahlung_03242021_jpg.exe Process Stats: CPU usage > 90% for more than 60s
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_0220467C rdtsc 0_2_0220467C
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02201A7C mov eax, dword ptr fs:[00000030h] 0_2_02201A7C
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02201AAE mov eax, dword ptr fs:[00000030h] 0_2_02201AAE
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02204AE0 mov eax, dword ptr fs:[00000030h] 0_2_02204AE0
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_02203B27 mov eax, dword ptr fs:[00000030h] 0_2_02203B27
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_0220439F mov eax, dword ptr fs:[00000030h] 0_2_0220439F
Source: C:\Users\user\Desktop\Zahlung_03242021_jpg.exe Code function: 0_2_0220252F mov eax, dword ptr fs:[00000030h] 0_2_0220252F
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: Zahlung_03242021_jpg.exe, 00000000.00000002.1158507898.0000000000D70000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: Zahlung_03242021_jpg.exe, 00000000.00000002.1158507898.0000000000D70000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: Zahlung_03242021_jpg.exe, 00000000.00000002.1158507898.0000000000D70000.00000002.00000001.sdmp Binary or memory string: Progman
Source: Zahlung_03242021_jpg.exe, 00000000.00000002.1158507898.0000000000D70000.00000002.00000001.sdmp Binary or memory string: Progmanlock
windows-stand
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 377275 Sample: Zahlung_03242021_jpg.scr Startdate: 29/03/2021 Architecture: WINDOWS Score: 76 8 Multi AV Scanner detection for submitted file 2->8 10 Yara detected GuLoader 2->10 12 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->12 14 Yara detected VB6 Downloader Generic 2->14 5 Zahlung_03242021_jpg.exe 1 2->5         started        process3 signatures4 16 Contains functionality to detect hardware virtualization (CPUID execution measurement) 5->16 18 Found potential dummy code loops (likely to delay analysis) 5->18 20 Tries to detect virtualization through RDTSC time measurements 5->20
No contacted IP infos