Analysis Report Remittance advice.exe

Overview

General Information

Sample Name: Remittance advice.exe
Analysis ID: 343219
MD5: e6f8850e7f37364f9a9fac18601b9244
SHA1: 9158c69b6ca0ffca566d9689fb140b4973203fa0
SHA256: 275de12bf065d99796babc9844c4e3198645a82259c4999d13d8a14c18482358
Tags: exeGuLoader

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
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to read the PEB
Creates a DirectInput object (often for capturing keystrokes)
Detected potential crypto function
Found inlined nop instructions (likely shell or obfuscated code)
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: Remittance advice.exe Virustotal: Detection: 45% Perma Link
Source: Remittance advice.exe ReversingLabs: Detection: 36%

Compliance:

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

Software Vulnerabilities:

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Found inlined nop instructions (likely shell or obfuscated code)
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 4x nop then lfence 0_2_0040425D

Key, Mouse, Clipboard, Microphone and Screen Capturing:

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Creates a DirectInput object (often for capturing keystrokes)
Source: Remittance advice.exe, 00000000.00000002.1328575340.000000000067A000.00000004.00000020.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\Remittance advice.exe Process Stats: CPU usage > 98%
Detected potential crypto function
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00405DCE 0_2_00405DCE
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00406E03 0_2_00406E03
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00406EE2 0_2_00406EE2
Sample file is different than original file name gathered from version info
Source: Remittance advice.exe, 00000000.00000002.1327563785.0000000000417000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameEnantiopathia6.exe vs Remittance advice.exe
Source: Remittance advice.exe, 00000000.00000002.1329075986.0000000002230000.00000002.00000001.sdmp Binary or memory string: OriginalFilenameuser32j% vs Remittance advice.exe
Source: Remittance advice.exe Binary or memory string: OriginalFilenameEnantiopathia6.exe vs Remittance advice.exe
Uses 32bit PE files
Source: Remittance advice.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\Remittance advice.exe File created: C:\Users\user\AppData\Local\Temp\~DFACCDFEC25FC090FE.TMP Jump to behavior
Source: Remittance advice.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\Remittance advice.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: C:\Users\user\Desktop\Remittance advice.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: Remittance advice.exe Virustotal: Detection: 45%
Source: Remittance advice.exe ReversingLabs: Detection: 36%

Data Obfuscation:

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Yara detected GuLoader
Source: Yara match File source: Process Memory Space: Remittance advice.exe PID: 6336, type: MEMORY
Yara detected VB6 Downloader Generic
Source: Yara match File source: Process Memory Space: Remittance advice.exe PID: 6336, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040182E push edi; iretd 0_2_0040182F
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040882E push ds; ret 0_2_0040884D
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004020D6 push edi; iretd 0_2_004020D7
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00408152 push es; iretd 0_2_00408154
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040B10A push es; iretd 0_2_0040B22C
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409120 push es; iretd 0_2_00409124
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004081CC push es; iretd 0_2_004081D8
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004092C9 push es; iretd 0_2_004092CC
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00408AE9 pushad ; ret 0_2_00408B20
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A37F push es; iretd 0_2_0040A380
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00408B2E push ecx; iretd 0_2_00408B34
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A381 push es; iretd 0_2_0040A390
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A391 push es; iretd 0_2_0040A3A0
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409393 push es; ret 0_2_00409398
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A3A1 push es; iretd 0_2_0040A3B0
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004093B2 push es; iretd 0_2_004094E4
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409C7F pushad ; ret 0_2_00409C80
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409C36 push es; ret 0_2_00409C3C
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A4C6 push es; iretd 0_2_0040A4C8
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409CDA push es; ret 0_2_00409D4C
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A4E6 push es; ret 0_2_0040A554
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004094E8 push es; iretd 0_2_004094F0
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A566 push es; iretd 0_2_0040A5A4
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A532 push es; ret 0_2_0040A554
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A532 push es; iretd 0_2_0040A5A4
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A532 push es; ret 0_2_0040A614
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004085F1 pushad ; ret 0_2_004085F4
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_0040A5B2 push es; ret 0_2_0040A614
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00408DB8 push cs; iretd 0_2_00408DBC
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004056C2 push ss; retf 0_2_004056C3
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00409E9C pushfd ; retf 0_2_00409E9D
Source: C:\Users\user\Desktop\Remittance advice.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: Remittance advice.exe, 00000000.00000002.1327620350.0000000000460000.00000040.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEF
Source: Remittance advice.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\Remittance advice.exe RDTSC instruction interceptor: First address: 0000000000403F92 second address: 0000000000403F92 instructions: 0x00000000 rdtsc 0x00000002 popad 0x00000003 dec edi 0x00000004 jmp 00007F5D84D1C3D7h 0x00000006 cmp edi, 00000000h 0x00000009 jne 00007F5D84D1C393h 0x0000000b pushad 0x0000000c jmp 00007F5D84D1C3CEh 0x0000000e rdtsc
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00403D4F rdtsc 0_2_00403D4F
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: Remittance advice.exe, 00000000.00000002.1327620350.0000000000460000.00000040.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exef
Source: Remittance advice.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\Remittance advice.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\Remittance advice.exe Code function: 0_2_00403D4F rdtsc 0_2_00403D4F
Contains functionality to read the PEB
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00461068 mov eax, dword ptr fs:[00000030h] 0_2_00461068
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004632FE mov eax, dword ptr fs:[00000030h] 0_2_004632FE
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004613DF mov eax, dword ptr fs:[00000030h] 0_2_004613DF
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00463D88 mov eax, dword ptr fs:[00000030h] 0_2_00463D88
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00463D97 mov eax, dword ptr fs:[00000030h] 0_2_00463D97
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_00461E88 mov eax, dword ptr fs:[00000030h] 0_2_00461E88
Source: C:\Users\user\Desktop\Remittance advice.exe Code function: 0_2_004637AD mov eax, dword ptr fs:[00000030h] 0_2_004637AD
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: Remittance advice.exe, 00000000.00000002.1328805905.0000000000D00000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: Remittance advice.exe, 00000000.00000002.1328805905.0000000000D00000.00000002.00000001.sdmp Binary or memory string: Progman
Source: Remittance advice.exe, 00000000.00000002.1328805905.0000000000D00000.00000002.00000001.sdmp Binary or memory string: SProgram Managerl
Source: Remittance advice.exe, 00000000.00000002.1328805905.0000000000D00000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd,
Source: Remittance advice.exe, 00000000.00000002.1328805905.0000000000D00000.00000002.00000001.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: 343219 Sample: Remittance advice.exe Startdate: 22/01/2021 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 Remittance advice.exe 1 2->5         started        process3
No contacted IP infos