Windows Analysis Report
Benefits-Signature-RequestsPlan#241205.com.exe

Overview

General Information

Sample name: Benefits-Signature-RequestsPlan#241205.com.exe
Analysis ID: 1445946
MD5: 46e978f5dee2d39687269d77e44df3cf
SHA1: f15c27a41a2e7e78b07df29c687da3e70e813e66
SHA256: 5828d4217d31c59b79df8a93b0a52332d4d3ef267f02c2448c463338e017f48d
Tags: comexe
Infos:

Detection

GuLoader
Score: 72
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

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

Classification

Name Description Attribution Blogpost URLs Link
CloudEyE, GuLoader CloudEyE (initially named GuLoader) is a small VB5/6 downloader. It typically downloads RATs/Stealers, such as Agent Tesla, Arkei/Vidar, Formbook, Lokibot, Netwire and Remcos, often but not always from Google Drive. The downloaded payload is xored. No Attribution https://malpedia.caad.fkie.fraunhofer.de/details/win.cloudeye

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: Benefits-Signature-RequestsPlan#241205.com.exe Avira: detected
Multi AV Scanner detection for submitted file
Source: Benefits-Signature-RequestsPlan#241205.com.exe ReversingLabs: Detection: 39%
Uses 32bit PE files
Source: Benefits-Signature-RequestsPlan#241205.com.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Source: Benefits-Signature-RequestsPlan#241205.com.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040646B FindFirstFileA,FindClose, 0_2_0040646B
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_004027A1 FindFirstFileA, 0_2_004027A1
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_004058BF GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 0_2_004058BF
Source: Benefits-Signature-RequestsPlan#241205.com.exe String found in binary or memory: http://nsis.sf.net/NSIS_Error
Source: Benefits-Signature-RequestsPlan#241205.com.exe String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Contains functionality for read data from the clipboard
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040535C GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,ShowWindow,ShowWindow,GetDlgItem,SendMessageA,SendMessageA,SendMessageA,GetDlgItem,CreateThread,FindCloseChangeNotification,ShowWindow,ShowWindow,ShowWindow,SendMessageA,CreatePopupMenu,AppendMenuA,GetWindowRect,TrackPopupMenu,SendMessageA,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageA,GlobalUnlock,SetClipboardData,CloseClipboard, 0_2_0040535C
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Process Stats: CPU usage > 49%
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_00403348 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_00403348
Creates files inside the system directory
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Windows\stepsire Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Windows\stepsire\Diamondbacks22 Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Windows\resources\0809 Jump to behavior
Detected potential crypto function
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_00406945 0_2_00406945
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040711C 0_2_0040711C
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_6E7C1A98 0_2_6E7C1A98
Sample file is different than original file name gathered from version info
Source: Benefits-Signature-RequestsPlan#241205.com.exe, 00000000.00000002.4513061924.0000000000455000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenamesolaarene frankeniaceae.exe4 vs Benefits-Signature-RequestsPlan#241205.com.exe
Source: Benefits-Signature-RequestsPlan#241205.com.exe Binary or memory string: OriginalFilenamesolaarene frankeniaceae.exe4 vs Benefits-Signature-RequestsPlan#241205.com.exe
Uses 32bit PE files
Source: Benefits-Signature-RequestsPlan#241205.com.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Source: classification engine Classification label: mal72.troj.evad.winEXE@1/20@0/0
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_00403348 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_00403348
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040460D GetDlgItem,SetWindowTextA,SHBrowseForFolderA,CoTaskMemFree,lstrcmpiA,lstrcatA,SetDlgItemTextA,GetDiskFreeSpaceA,MulDiv,SetDlgItemTextA, 0_2_0040460D
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040216B CoCreateInstance,MultiByteToWideChar, 0_2_0040216B
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Users\user\AppData\Local\skolebetjents Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Users\user\AppData\Local\Temp\nsj81E3.tmp Jump to behavior
Source: Benefits-Signature-RequestsPlan#241205.com.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: Benefits-Signature-RequestsPlan#241205.com.exe ReversingLabs: Detection: 39%
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File read: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: propsys.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: dwmapi.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: oleacc.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: ntmarta.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: shfolder.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: riched20.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: usp10.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: msls31.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: textinputframework.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: coreuicomponents.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: coremessaging.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: textshaping.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f486a52-3cb1-48fd-8f50-b8dc300d9f9d}\InProcServer32 Jump to behavior
Source: polres.lnk.0.dr LNK file: ..\..\user\AppData\Local\Temp\nsz8290.tmp\Revitalizers\Forsoldet.Cho46
Source: Benefits-Signature-RequestsPlan#241205.com.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation
barindex
Yara detected GuLoader
Source: Yara match File source: 00000000.00000002.4570321949.00000000072E7000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_6E7C1A98 GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 0_2_6E7C1A98
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_6E7C2F60 push eax; ret 0_2_6E7C2F8E
Drops PE files
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\UserInfo.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File created: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\nsDialogs.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Opens the same file many times (likely Sandbox evasion)
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe File opened: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\redargue\demonising.ini count: 411076 Jump to behavior
Tries to detect virtualization through RDTSC time measurements
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe RDTSC instruction interceptor: First address: 7975AD6 second address: 7975AD6 instructions: 0x00000000 rdtsc 0x00000002 cmp al, 58h 0x00000004 cmp ebx, ecx 0x00000006 jc 00007F79BCE41B38h 0x00000008 inc ebp 0x00000009 inc ebx 0x0000000a rdtsc
Found dropped PE file which has not been started or loaded
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\UserInfo.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\nsz8290.tmp\nsDialogs.dll Jump to dropped file
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_0040646B FindFirstFileA,FindClose, 0_2_0040646B
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_004027A1 FindFirstFileA, 0_2_004027A1
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_004058BF GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 0_2_004058BF
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe API call chain: ExitProcess graph end node
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_6E7C1A98 GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 0_2_6E7C1A98
Source: C:\Users\user\Desktop\Benefits-Signature-RequestsPlan#241205.com.exe Code function: 0_2_00403348 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_00403348
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: 1445946 Sample: Benefits-Signature-Requests... Startdate: 22/05/2024 Architecture: WINDOWS Score: 72 15 Antivirus / Scanner detection for submitted sample 2->15 17 Multi AV Scanner detection for submitted file 2->17 19 Yara detected GuLoader 2->19 5 Benefits-Signature-RequestsPlan#241205.com.exe 45 2->5         started        process3 file4 9 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 5->9 dropped 11 C:\Users\user\AppData\Local\...\UserInfo.dll, PE32 5->11 dropped 13 C:\Users\user\AppData\Local\...\System.dll, PE32 5->13 dropped 21 Tries to detect virtualization through RDTSC time measurements 5->21 23 Opens the same file many times (likely Sandbox evasion) 5->23 signatures5
⊘No contacted IP infos