Analysis

  • max time kernel
    92s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2024, 11:17

General

  • Target
    98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1(1).msi
  • Size 2.2MB
  • Sample240925-ndp2ssscjp
  • SHA256 98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 3 IoCs
  • 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 Windows directory 8 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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.

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

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 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.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1(1).msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3664
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3336
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3024
      • C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe
        "C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        PID:4676
      • C:\Windows\system32\reg.exe
        reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v MSOneDrive /t REG_SZ /d "C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe"
        2⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:5060
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2180

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          e57a6ff.rbs

          • Path C:\Config.Msi\e57a6ff.rbs
          • Size 10KB
          • SHA256 3aece3a19c84a8f11960e41cdf3ffe4f89a19c9c1f3685f8600484ae824842ed
          • MD5 SHA1 SHA512 SSDEEP

          357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235
          • Size 1KB
          • SHA256 c4e6f77edc9aedd20110e30bb2f13eaf21e5787e4306f8c79bd515c29140be0e
          • MD5 SHA1 SHA512

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 1KB
          • SHA256 b94159c59d0f4d721336049c4f16d5184dc73bc34fab608d29e4e6897e30cfdb
          • MD5 SHA1 SHA512

          357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\357F04AD41BCF5FE18FCB69F60C6680F_E55ED4737D009406C9A7181799A97235
          • Size 536B
          • SHA256 77b73dfd614840fa1fd070858d142caa462a4731362569ab470faeeaa0db6cbc
          • MD5 SHA1 SHA512

          9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9CB4373A4252DE8D2212929836304EC5_1AB74AA2E3A56E1B8AD8D3FEC287554E
          • Size 536B
          • SHA256 8894e9a6766b828267ff8d6e285ba44fa1725664d3c65a0e766bcc289c6f1ab5
          • MD5 SHA1 SHA512

          HTCTL32.DLL

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\HTCTL32.DLL
          • Size 306KB
          • SHA256 13a17f2ad9288aac8941d895251604beb9524fa3c65c781197841ee15480a13f
          • MD5 SHA1 SHA512 SSDEEP

          NSM.LIC

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\NSM.LIC
          • Size 262B
          • SHA256 fcc6afd664a8045bd61c398be3c37a97536a199a48d277e11977f93868ae1acc
          • MD5 SHA1 SHA512

          PCICHEK.DLL

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\PCICHEK.DLL
          • Size 27KB
          • SHA256 0038ab626624fa2df9f65dd5e310b1206a9cd4d8ab7e65fb091cc25f13ebd34e
          • MD5 SHA1 SHA512 SSDEEP

          PCICL32.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\PCICL32.dll
          • Size 3.3MB
          • SHA256 c7baf1647f6fef1b1a4231c9743f20f7a4b524ca4eb987a0acbeeef7e037d7e3
          • MD5 SHA1 SHA512 SSDEEP

          client32.exe

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\client32.exe
          • Size 104KB
          • SHA256 db0acb4a3082edc19ca9a78b059258ea36b4be16eee4f1172115fc83e693a903
          • MD5 SHA1 SHA512 SSDEEP

          client32.ini

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\client32.ini
          • Size 664B
          • SHA256 d4c1f00382f01abbb3142ef6d9c3e51557d0ced12a52861d8c5df44d1ce723ac
          • MD5 SHA1 SHA512

          msvcr100.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\msvcr100.dll
          • Size 755KB
          • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
          • MD5 SHA1 SHA512 SSDEEP

          pcicapi.dll

          • Path C:\Users\Admin\AppData\Local\MsOneDrive\pcicapi.dll
          • Size 44KB
          • SHA256 1716640cce74322f7ee3e3e02b75cd53b91686f66e389d606dab01bd9f88c557
          • MD5 SHA1 SHA512 SSDEEP

          e57a6fe.msi

          • Path C:\Windows\Installer\e57a6fe.msi
          • Size 2.2MB
          • SHA256 98e12e68c45dc1b540c7f1c87e4293e3f0f0fecae98d3f49b60fdb4f646082d1
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 23.7MB
          • SHA256 a2f80c9f3f72e9f7c54a57d333f85e11c8e06e73c7997a2d80dd7c55caf0bb75
          • MD5 SHA1 SHA512 SSDEEP

          {e622796e-008d-4d1c-bd39-f117a9d7ede0}_OnDiskSnapshotProp

          • Path \??\Volume{fa35ad82-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{e622796e-008d-4d1c-bd39-f117a9d7ede0}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 88605749491cfa9c8d5d39fdc664bfc79ee230cda223e8e617787136bce93e34
          • MD5 SHA1 SHA512 SSDEEP