Analysis

  • max time kernel
    20s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2024, 05:08

General

  • Target

    Lagswitch_2.0.1_x86_en-US.msi

  • Size

    3.6MB

  • MD5

    88f53f1eef043e3f7b931e0461b52287

  • SHA1

    fbebe0190b08236d2acea5a5b41058f0e301aa03

  • SHA256

    d16a0ff410861d71b3be9b7f84200782f36ee7123c69294395f7d362fd1ae767

  • SHA512

    299170a983d1025d7373dabeb6c2dc498a5db94543e5f38c04bb70cd67cc77bace5a84a7e0d7c5e886fe4b412cbe7000d2a1f287d071b935fa30ef4e40f34ccb

  • SSDEEP

    98304:3vrEI3WzXhrWfAIaOm1xV04xPWl1zl0rY4T2VrP9Pv8m:3vQI3+hROmx04x+zI2VrF

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • 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 Program Files directory 6 IoCs
  • Drops file in Windows directory 12 IoCs
  • Loads dropped DLL 1 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 46 IoCs
  • Modifies registry class 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Lagswitch_2.0.1_x86_en-US.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1508
  • 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:1996
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 85D84E46DFD90E8131A72224A171C45C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2840
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -windowstyle hidden try { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } catch {}; Invoke-WebRequest -Uri "https://go.microsoft.com/fwlink/p/?LinkId=2124703" -OutFile "$env:TEMP\MicrosoftEdgeWebview2Setup.exe" ; Start-Process -FilePath "$env:TEMP\MicrosoftEdgeWebview2Setup.exe" -ArgumentList ('/silent', '/install') -Wait
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      PID:2932
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:2736
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000060" "00000000000005B0"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      PID:1804

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Lagswitch\Lagswitch.exe

      Filesize

      7.3MB

      MD5

      bfa849cbce84eb01a5b684cf7d5f0fb6

      SHA1

      e70f52c6b3287e5cd417e0b9fa0ff76c52f2bfa3

      SHA256

      a82a51d5a8f56aa88dfbf92d5a1098465a0116908dabbd29728b3cb28980f5e1

      SHA512

      f90656972c8a53edebcc78e423a2a53c4a8e44ced06c76bd3196208f780a4b982a975021eab322beeef61356cf51503c8f322463b98b60a76c15581f5fff6ed4

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Lagswitch\Lagswitch.lnk

      Filesize

      2KB

      MD5

      4e39311b07137c6c2be293319056fba1

      SHA1

      68f4791ffd17a2f12d8b6c3a1ad16bc5e3422116

      SHA256

      3e88e8c587d1348aadac65df367c7f3c43c6f03d73ba414d38fece95e2c6ac04

      SHA512

      2ed9fc9093e07fee738618277c5b7017a824894579a6971eeef5b97d4506bdb1b3c42455a962ea3155dd646cbb7be7fd5b4f725557aa7e8d9034adc09f85928a

    • C:\Users\Admin\AppData\Local\Temp\MSIF9E9.tmp

      Filesize

      132KB

      MD5

      cfbb8568bd3711a97e6124c56fcfa8d9

      SHA1

      d7a098ae58bdd5e93a3c1b04b3d69a14234d5e57

      SHA256

      7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc

      SHA512

      860cbf3286ac4915580cefaf56a9c3d48938eb08e3f31b7f024c4339c037d7c8bdf16e766d08106505ba535be4922a87dc46bd029aae99a64ea2fc02cf3aec04

    • C:\Windows\Installer\f771d41.msi

      Filesize

      3.6MB

      MD5

      88f53f1eef043e3f7b931e0461b52287

      SHA1

      fbebe0190b08236d2acea5a5b41058f0e301aa03

      SHA256

      d16a0ff410861d71b3be9b7f84200782f36ee7123c69294395f7d362fd1ae767

      SHA512

      299170a983d1025d7373dabeb6c2dc498a5db94543e5f38c04bb70cd67cc77bace5a84a7e0d7c5e886fe4b412cbe7000d2a1f287d071b935fa30ef4e40f34ccb

    • memory/2932-40-0x000000001B6A0000-0x000000001B982000-memory.dmp

      Filesize

      2.9MB

    • memory/2932-41-0x00000000028F0000-0x00000000028F8000-memory.dmp

      Filesize

      32KB