Windows Analysis Report
9TpV4rfMmJ

Overview

General Information

Sample Name: 9TpV4rfMmJ (renamed file extension from none to exe)
Analysis ID: 562499
MD5: 38034f18af511c3b04b25170735e8b8e
SHA1: 797252e9139d3d46825440335437ad9d538f6b5b
SHA256: 7babdd2c7d3752b7b48729110f0ab94de7cf74c478b7e1ea7a71a468748e70c0
Tags: 32exetrojan
Infos:

Detection

GuLoader
Score: 68
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected GuLoader
C2 URLs / IPs found in malware configuration
Uses 32bit PE files
Sample file is different than original file name gathered from version info
PE file contains strange resources
Drops PE files
Contains functionality to read the PEB
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Binary contains a suspicious time stamp
Detected potential crypto function
PE / OLE file has an invalid certificate
Contains functionality to call native functions
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Contains functionality for execution timing, often used to detect debuggers
Abnormal high CPU Usage
Contains functionality for read data from the clipboard

Classification

AV Detection
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Found malware configuration
Source: 00000000.00000002.1182087160.00000000027F0000.00000040.00000800.00020000.00000000.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "https://www.konutmarket.com/2022file_iz"}
Multi AV Scanner detection for submitted file
Source: 9TpV4rfMmJ.exe ReversingLabs: Detection: 25%

Compliance
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Uses 32bit PE files
Source: 9TpV4rfMmJ.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: 9TpV4rfMmJ.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: secur32.pdb source: secur32.dll.0.dr
Source: Binary string: SxsStore.pdb source: sxsstore.dll.0.dr
Source: Binary string: secur32.pdbUGP source: secur32.dll.0.dr
Source: Binary string: SxsStore.pdbGCTL source: sxsstore.dll.0.dr
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_00405C49 GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 0_2_00405C49
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_00406873 FindFirstFileW,FindClose, 0_2_00406873
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040290B FindFirstFileW, 0_2_0040290B

Networking
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C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: https://www.konutmarket.com/2022file_iz
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://ocsp.digicert.com0C
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://ocsp.digicert.com0O
Source: 9TpV4rfMmJ.exe String found in binary or memory: http://www.digicert.com/CPS0
Source: 9TpV4rfMmJ.exe String found in binary or memory: https://www.digicert.com/CPS0

Key, Mouse, Clipboard, Microphone and Screen Capturing
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Contains functionality for read data from the clipboard
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_004056DE GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,SendMessageW,ShowWindow,ShowWindow,GetDlgItem,SendMessageW,SendMessageW,SendMessageW,GetDlgItem,CreateThread,FindCloseChangeNotification,ShowWindow,ShowWindow,ShowWindow,ShowWindow,SendMessageW,CreatePopupMenu,AppendMenuW,GetWindowRect,TrackPopupMenu,SendMessageW,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageW,GlobalUnlock,SetClipboardData,CloseClipboard, 0_2_004056DE

System Summary
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Uses 32bit PE files
Source: 9TpV4rfMmJ.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Sample file is different than original file name gathered from version info
Source: 9TpV4rfMmJ.exe, 00000000.00000002.1181768585.000000000040A000.00000004.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenameSxsStore.dllj% vs 9TpV4rfMmJ.exe
PE file contains strange resources
Source: 9TpV4rfMmJ.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: 9TpV4rfMmJ.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Source: 9TpV4rfMmJ.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040352D EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_0040352D
Detected potential crypto function
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040755C 0_2_0040755C
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_00406D85 0_2_00406D85
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_6FC51BFF 0_2_6FC51BFF
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9C2E 0_2_027F9C2E
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9462 0_2_027F9462
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027FDAF1 0_2_027FDAF1
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F8AD9 0_2_027F8AD9
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9963 0_2_027F9963
PE / OLE file has an invalid certificate
Source: 9TpV4rfMmJ.exe Static PE information: invalid certificate
Contains functionality to call native functions
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9C2E NtAllocateVirtualMemory, 0_2_027F9C2E
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Process Stats: CPU usage > 98%
Source: 9TpV4rfMmJ.exe ReversingLabs: Detection: 25%
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File read: C:\Users\user\Desktop\9TpV4rfMmJ.exe Jump to behavior
Source: 9TpV4rfMmJ.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f486a52-3cb1-48fd-8f50-b8dc300d9f9d}\InProcServer32 Jump to behavior
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040352D EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_0040352D
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File created: C:\Users\user\AppData\Local\Temp\nsh3327.tmp Jump to behavior
Source: classification engine Classification label: mal68.troj.winEXE@1/4@0/0
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_004021AA CoCreateInstance, 0_2_004021AA
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040498A GetDlgItem,SetWindowTextW,SHBrowseForFolderW,CoTaskMemFree,lstrcmpiW,lstrcatW,SetDlgItemTextW,GetDiskFreeSpaceW,MulDiv,SetDlgItemTextW, 0_2_0040498A
Source: 9TpV4rfMmJ.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: secur32.pdb source: secur32.dll.0.dr
Source: Binary string: SxsStore.pdb source: sxsstore.dll.0.dr
Source: Binary string: secur32.pdbUGP source: secur32.dll.0.dr
Source: Binary string: SxsStore.pdbGCTL source: sxsstore.dll.0.dr

Data Obfuscation
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Yara detected GuLoader
Source: Yara match File source: 00000000.00000002.1182087160.00000000027F0000.00000040.00000800.00020000.00000000.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_6FC530C0 push eax; ret 0_2_6FC530EE
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F2C74 push edx; retf 0_2_027F2CCC
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F6C4F push 910F868Eh; ret 0_2_027F6C30
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F2C14 push edx; retf 0_2_027F2CCC
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F3CD9 push CACC293Ch; retf 0_2_027F3CE4
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F4ECB push eax; iretd 0_2_027F4ECC
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F50CB push esi; retf 0_2_027F50CC
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F5EB5 push D0CC293Ch; retf 0_2_027F5EC0
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F2C99 push edx; retf 0_2_027F2CCC
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F1B54 push FFFFFF81h; ret 0_2_027F1B58
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F594F pushfd ; retf 0_2_027F5981
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F1F2D push edx; retf 0_2_027F1F51
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F1F27 push 00000027h; iretd 0_2_027F1F29
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F111B push esi; ret 0_2_027F111C
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F5919 pushfd ; retf 0_2_027F5981
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F49EF pushad ; iretd 0_2_027F4A06
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F6BD2 push 910F868Eh; ret 0_2_027F6C30
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F6BA9 push 910F868Eh; ret 0_2_027F6C30
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F59A1 pushfd ; retf 0_2_027F5981
PE file contains sections with non-standard names
Source: secur32.dll.0.dr Static PE information: section name: .didat
Binary contains a suspicious time stamp
Source: secur32.dll.0.dr Static PE information: 0xAEC0B68B [Mon Nov 27 15:00:27 2062 UTC]
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_6FC51BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 0_2_6FC51BFF

Persistence and Installation Behavior
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Drops PE files
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File created: C:\Users\user\AppData\Local\Temp\nsd3616.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File created: C:\Users\user\AppData\Local\Temp\secur32.dll Jump to dropped file
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe File created: C:\Users\user\AppData\Local\Temp\sxsstore.dll Jump to dropped file
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
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Found dropped PE file which has not been started or loaded
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\secur32.dll Jump to dropped file
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\sxsstore.dll Jump to dropped file
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9366 rdtsc 0_2_027F9366
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_00405C49 GetTempPathW,DeleteFileW,lstrcatW,lstrcatW,lstrlenW,FindFirstFileW,FindNextFileW,FindClose, 0_2_00405C49
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_00406873 FindFirstFileW,FindClose, 0_2_00406873
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040290B FindFirstFileW, 0_2_0040290B
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe API call chain: ExitProcess graph end node

Anti Debugging
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Contains functionality to read the PEB
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027FDAF1 mov eax, dword ptr fs:[00000030h] 0_2_027FDAF1
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027FCAD3 mov eax, dword ptr fs:[00000030h] 0_2_027FCAD3
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9128 mov eax, dword ptr fs:[00000030h] 0_2_027F9128
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027FC501 mov eax, dword ptr fs:[00000030h] 0_2_027FC501
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_6FC51BFF GlobalAlloc,lstrcpyW,lstrcpyW,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyW,GetModuleHandleW,LoadLibraryW,GetProcAddress,lstrlenW, 0_2_6FC51BFF
Contains functionality for execution timing, often used to detect debuggers
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027F9366 rdtsc 0_2_027F9366
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_027FEF3F RtlAddVectoredExceptionHandler, 0_2_027FEF3F
Source: C:\Users\user\Desktop\9TpV4rfMmJ.exe Code function: 0_2_0040352D EntryPoint,SetErrorMode,GetVersionExW,GetVersionExW,GetVersionExW,lstrlenA,#17,OleInitialize,SHGetFileInfoW,GetCommandLineW,CharNextW,GetTempPathW,GetTempPathW,GetWindowsDirectoryW,lstrcatW,GetTempPathW,lstrcatW,SetEnvironmentVariableW,SetEnvironmentVariableW,SetEnvironmentVariableW,DeleteFileW,lstrcatW,lstrcatW,lstrcatW,lstrcmpiW,SetCurrentDirectoryW,DeleteFileW,CopyFileW,CloseHandle,OleUninitialize,ExitProcess,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueW,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_0040352D
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: 562499 Sample: 9TpV4rfMmJ Startdate: 28/01/2022 Architecture: WINDOWS Score: 68 14 Found malware configuration 2->14 16 Multi AV Scanner detection for submitted file 2->16 18 Yara detected GuLoader 2->18 20 C2 URLs / IPs found in malware configuration 2->20 5 9TpV4rfMmJ.exe 20 2->5         started        process3 file4 8 C:\Users\user\AppData\Local\...\sxsstore.dll, PE32 5->8 dropped 10 C:\Users\user\AppData\Local\...\secur32.dll, PE32 5->10 dropped 12 C:\Users\user\AppData\Local\...\System.dll, PE32 5->12 dropped
⊘No contacted IP infos

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://www.konutmarket.com/2022file_iz true
  • Avira URL Cloud: safe
 unknown