Resubmissions

09/11/2024, 06:22

241109-g4wtpsslar6

09/11/2024, 02:58

241109-df8a2svpaw6

09/11/2024, 00:35

241109-axvjqstcpq6

09/11/2024, 00:33

241109-awmshatcmp6

Analysis

  • max time kernel
    426s
  • max time network
    443s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    09/11/2024, 00:33

General

  • Target
    my_furry_protogen___.msi
  • Size 61.2MB
  • Sample241109-awmshatcmp
  • SHA256 d33680d861d53ff3bb9f27807bd210adaa2931e44ecb1010d7b95b0aff70cd80
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 7 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 Program Files directory 27 IoCs
  • Drops file in Windows directory 12 IoCs
  • Loads dropped DLL 12 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\my_furry_protogen___.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:856
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AFCAF0BEDB70503A530D4AC8A4C39850 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1936
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:4
      2⤵
        PID:2744
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding EE8265A24530AFDB3D401B1BC24C6F37
        2⤵
        • Adds Run key to start application
        • Blocklisted process makes network request
        • Drops file in Program Files directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3020
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3520

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e582779.rbs

          • Path C:\Config.Msi\e582779.rbs
          • Size 141KB
          • SHA256 fe40df5013b883950db456aa464d6b5451153739c40da218b23a3356bbc27254
          • MD5 SHA1 SHA512 SSDEEP

          Installer.dll

          • Path C:\Program Files (x86)\Videodownloader\Videodownloader\Installer.dll
          • Size 17KB
          • SHA256 8bd6ac81553af9910e43dc50b4ff2b83f4b6fb0c5d520871597a8bc97b7bb20d
          • MD5 SHA1 SHA512 SSDEEP

          System.Data.SQLite.dll

          • Path C:\Program Files (x86)\Videodownloader\Videodownloader\System.Data.SQLite.dll
          • Size 345KB
          • SHA256 04b94962d9d5cee5805ad5e9e40d3b6c4c1c69c25945ee31ac056977f0e25f1f
          • MD5 SHA1 SHA512 SSDEEP

          UserManagement.dll

          • Path C:\Program Files (x86)\Videodownloader\Videodownloader\UserManagement.dll
          • Size 150KB
          • SHA256 2bab2fd8cd77087d81aa1820bc1c70b6122848ac5200e45f82faab47c4bf2c9f
          • MD5 SHA1 SHA512 SSDEEP

          Videodownloader.exe

          • Path C:\Program Files (x86)\Videodownloader\Videodownloader\Videodownloader.exe
          • Size 2.8MB
          • SHA256 4235adb0bca98cc755547566e9fe0e7b503ab0c548a873f001fe359858a73715
          • MD5 SHA1 SHA512 SSDEEP

          60B3F7207DEB992031C120EB71F562CD

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\60B3F7207DEB992031C120EB71F562CD
          • Size 4KB
          • SHA256 54f08bfd73dd3477610059c4a1d92723e698def0efa7ad4661584a51d9aab79b
          • MD5 SHA1 SHA512 SSDEEP

          B039FEA45CB4CC4BBACFC013C7C55604_D21903E2722B551F252C717985D24037

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B039FEA45CB4CC4BBACFC013C7C55604_D21903E2722B551F252C717985D24037
          • Size 1KB
          • SHA256 f14c44cd8fd09301847b60c87361d779a199ba9c69f346a5e4a805ebb3960329
          • MD5 SHA1 SHA512

          DF8D319B9741B9E1EBE906AACEA5CBBA_905B5724CEECF7C47BDE629AC2B6F135

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\DF8D319B9741B9E1EBE906AACEA5CBBA_905B5724CEECF7C47BDE629AC2B6F135
          • Size 5B
          • SHA256 bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128
          • MD5 SHA1 SHA512

          60B3F7207DEB992031C120EB71F562CD

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\60B3F7207DEB992031C120EB71F562CD
          • Size 222B
          • SHA256 af431b086f45f927c7b045b959c539bd5c93fc1c054f5218b2f7d593e4981f61
          • MD5 SHA1 SHA512

          B039FEA45CB4CC4BBACFC013C7C55604_D21903E2722B551F252C717985D24037

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B039FEA45CB4CC4BBACFC013C7C55604_D21903E2722B551F252C717985D24037
          • Size 498B
          • SHA256 ea5baf1490360fa5944993e8752e7ed97a52518463046153e0fda69d9041f17f
          • MD5 SHA1 SHA512

          DF8D319B9741B9E1EBE906AACEA5CBBA_905B5724CEECF7C47BDE629AC2B6F135

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DF8D319B9741B9E1EBE906AACEA5CBBA_905B5724CEECF7C47BDE629AC2B6F135
          • Size 444B
          • SHA256 3ee6deb4283e4101298eb3214ba15fc6016c8e23e353f7ce277a37033d9fccd5
          • MD5 SHA1 SHA512

          CFG2AE3.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\CFG2AE3.tmp
          • Size 152B
          • SHA256 b839cdd1c3f55651cd4d0e54a679bce5ac60ed7618a7b74bfc8ef8ca311e53ed
          • MD5 SHA1 SHA512

          MSIA9EC.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIA9EC.tmp
          • Size 285KB
          • SHA256 f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0
          • MD5 SHA1 SHA512 SSDEEP

          _036F6082C1540B3CEA7165.exe

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Installer\{FEEBD562-6B8E-457A-9133-89B8C1E14443}\_036F6082C1540B3CEA7165.exe
          • Size 116KB
          • SHA256 a6d8e710e5f7f47feec4e91200ff1ce134517cd8db11088c12fa0998cfb3d0e3
          • MD5 SHA1 SHA512 SSDEEP

          MSI3036.tmp

          • Path C:\Windows\Installer\MSI3036.tmp
          • Size 114KB
          • SHA256 4f10c0bd8d22e8215b02f092279abf7bb148cb1497207ec2ebab32662009b2ac
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 23.9MB
          • SHA256 e95def16f69505fd4657e446b2e128a88f5d79fb710823a1a07382b64124d43e
          • MD5 SHA1 SHA512 SSDEEP

          {98e8a165-33ad-420a-a6a9-cd26d6a05a31}_OnDiskSnapshotProp

          • Path \??\Volume{93573d79-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{98e8a165-33ad-420a-a6a9-cd26d6a05a31}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 60f3d8955ca6c3912fa121fb84c9c200bfd4d072b2374c3de346a5aa3b4b6959
          • MD5 SHA1 SHA512 SSDEEP

          memory/3020-139-0x00000000054B0000-0x00000000054EC000-memory.dmp

          memory/3020-156-0x00000000054F0000-0x000000000551C000-memory.dmp

          memory/3020-160-0x00000000058F0000-0x0000000005BB6000-memory.dmp

          memory/3020-161-0x0000000005690000-0x00000000056F6000-memory.dmp

          memory/3020-162-0x0000000005D40000-0x0000000005DB6000-memory.dmp

          memory/3020-138-0x0000000005450000-0x0000000005462000-memory.dmp

          memory/3020-137-0x0000000003290000-0x000000000329A000-memory.dmp

          memory/3020-133-0x0000000003260000-0x000000000327A000-memory.dmp