Windows Analysis Report
HfJLn9erXb.exe

Overview

General Information

Sample Name: HfJLn9erXb.exe
Original Sample Name: cf9a08d65a0b472b1ed84638a09d39d741f34e9cd2641092141a9bf1a5f796a6.exe
Analysis ID: 829104
MD5: 049ecad4587538c292e3ebeee5947eb5
SHA1: 12aabeb19083dd114b7b94c836b031de3945d2c9
SHA256: cf9a08d65a0b472b1ed84638a09d39d741f34e9cd2641092141a9bf1a5f796a6
Tags: exesigned
Infos:

Detection

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

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Tries to detect virtualization through RDTSC time measurements
Uses 32bit PE files
Sample file is different than original file name gathered from version info
Drops PE files
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
Detected potential crypto function
PE / OLE file has an invalid certificate
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
Abnormal high CPU Usage
Contains functionality for read data from the clipboard

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: HfJLn9erXb.exe ReversingLabs: Detection: 51%
Source: HfJLn9erXb.exe Virustotal: Detection: 28% Perma Link
Uses 32bit PE files
Source: HfJLn9erXb.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Source: HfJLn9erXb.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: D:\SourceCode\GC3.Overclocking\production_V4.2\Service\ServiceSDK\Release\ThrottlePlugin\AEGISIIIRadeonHelper.pdb source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_0040626D FindFirstFileA,FindClose, 0_2_0040626D
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_00405732 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 0_2_00405732
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004026FE FindFirstFileA, 0_2_004026FE
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl.globalsign.com/gsextendcodesignsha2g3.crl0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl.globalsign.com/root-r3.crl0b
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl.globalsign.com/root.crl0G
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: HfJLn9erXb.exe String found in binary or memory: http://nsis.sf.net/NSIS_Error
Source: HfJLn9erXb.exe String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://ocsp.digicert.com0C
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://ocsp.digicert.com0O
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://ocsp.globalsign.com/rootr103
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://ocsp2.globalsign.com/gsextendcodesignsha2g30U
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://ocsp2.globalsign.com/rootr306
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://secure.globalsign.com/cacert/gsextendcodesignsha2g3ocsp.crt0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: http://www.digicert.com/CPS0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: https://www.digicert.com/CPS0
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr String found in binary or memory: https://www.globalsign.com/repository/0
Contains functionality for read data from the clipboard
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004051CF GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,ShowWindow,ShowWindow,GetDlgItem,SendMessageA,SendMessageA,SendMessageA,GetDlgItem,CreateThread,CloseHandle,ShowWindow,ShowWindow,ShowWindow,ShowWindow,SendMessageA,CreatePopupMenu,AppendMenuA,GetWindowRect,TrackPopupMenu,SendMessageA,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageA,GlobalUnlock,SetClipboardData,CloseClipboard, 0_2_004051CF
Uses 32bit PE files
Source: HfJLn9erXb.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Sample file is different than original file name gathered from version info
Source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: OriginalFilenameAEGISIIIRadeonHelper< vs HfJLn9erXb.exe
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004031D6 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,CharNextA,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_004031D6
Detected potential crypto function
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_00404A0E 0_2_00404A0E
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004065F6 0_2_004065F6
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_72FB1A9C 0_2_72FB1A9C
PE / OLE file has an invalid certificate
Source: HfJLn9erXb.exe Static PE information: invalid certificate
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Process Stats: CPU usage > 98%
Source: HfJLn9erXb.exe ReversingLabs: Detection: 51%
Source: HfJLn9erXb.exe Virustotal: Detection: 28%
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File read: C:\Users\user\Desktop\HfJLn9erXb.exe Jump to behavior
Source: HfJLn9erXb.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\HfJLn9erXb.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\HfJLn9erXb.exe Code function: 0_2_004031D6 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,CharNextA,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_004031D6
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File created: C:\Users\user\AppData\Roaming\fumigatorium Jump to behavior
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File created: C:\Users\user\AppData\Local\Temp\nscE1A6.tmp Jump to behavior
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File written: C:\Users\user\AppData\Local\Temp\Kontos.ini Jump to behavior
Source: classification engine Classification label: mal68.troj.evad.winEXE@1/17@0/0
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004020D1 CoCreateInstance,MultiByteToWideChar, 0_2_004020D1
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_0040449B GetDlgItem,SetWindowTextA,SHBrowseForFolderA,CoTaskMemFree,lstrcmpiA,lstrcatA,SetDlgItemTextA,GetDiskFreeSpaceA,MulDiv,SetDlgItemTextA, 0_2_0040449B
Source: HfJLn9erXb.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: D:\SourceCode\GC3.Overclocking\production_V4.2\Service\ServiceSDK\Release\ThrottlePlugin\AEGISIIIRadeonHelper.pdb source: HfJLn9erXb.exe, 00000000.00000003.255683971.0000000002767000.00000004.00000020.00020000.00000000.sdmp, AEGISIIIRadeonHelper.dll.0.dr

Data Obfuscation
barindex
Yara detected GuLoader
Source: Yara match File source: Process Memory Space: HfJLn9erXb.exe PID: 5844, type: MEMORYSTR
Source: Yara match File source: 00000000.00000002.775983857.0000000003AEC000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_72FB2F20 push eax; ret 0_2_72FB2F4E
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_72FB1A9C GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 0_2_72FB1A9C
Drops PE files
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File created: C:\Users\user\AppData\Local\Temp\nspE6C8.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\HfJLn9erXb.exe File created: C:\Users\user\AppData\Roaming\fumigatorium\Tertser\Omstrukturdnr\Dykereeve\Jackbsningen\Telescopiform\Bestridende\AEGISIIIRadeonHelper.dll Jump to dropped file
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\Desktop\HfJLn9erXb.exe RDTSC instruction interceptor: First address: 0000000004082CBC second address: 0000000004082CBC instructions: 0x00000000 rdtsc 0x00000002 fnop 0x00000004 cmp edx, ecx 0x00000006 cmp ebx, ecx 0x00000008 jc 00007F6EB05ADE1Ch 0x0000000a cmp ah, FFFFFF9Ch 0x0000000d cmp cx, ax 0x00000010 inc ebp 0x00000011 cmp al, dl 0x00000013 inc ebx 0x00000014 cmp ch, dh 0x00000016 rdtsc
Found dropped PE file which has not been started or loaded
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Dropped PE file which has not been started: C:\Users\user\AppData\Roaming\fumigatorium\Tertser\Omstrukturdnr\Dykereeve\Jackbsningen\Telescopiform\Bestridende\AEGISIIIRadeonHelper.dll Jump to dropped file
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_0040626D FindFirstFileA,FindClose, 0_2_0040626D
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_00405732 GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 0_2_00405732
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004026FE FindFirstFileA, 0_2_004026FE
Source: C:\Users\user\Desktop\HfJLn9erXb.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\HfJLn9erXb.exe API call chain: ExitProcess graph end node
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_72FB1A9C GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 0_2_72FB1A9C
Source: C:\Users\user\Desktop\HfJLn9erXb.exe Code function: 0_2_004031D6 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,CharNextA,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 0_2_004031D6
windows-stand
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  • 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: 829104 Sample: HfJLn9erXb.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 68 13 Multi AV Scanner detection for submitted file 2->13 15 Yara detected GuLoader 2->15 5 HfJLn9erXb.exe 1 56 2->5         started        process3 file4 9 C:\Users\user\...\AEGISIIIRadeonHelper.dll, PE32+ 5->9 dropped 11 C:\Users\user\AppData\Local\...\System.dll, PE32 5->11 dropped 17 Tries to detect virtualization through RDTSC time measurements 5->17 signatures5
⊘No contacted IP infos