Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 15:30

General

  • Target

    $TEMP/VirtualBoxPortableTemp/Test.msi

  • Size

    32KB

  • MD5

    8f847011d0eb0ab210d72f8df444a510

  • SHA1

    99c753b1d04e459d03c655c093e363aebb3557f7

  • SHA256

    3f352c15b6251f87e70dfdfe96ee729f5eb08f712451384ab9ef312fb25ffa53

  • SHA512

    98a534b2bc711eaa2491d8d6950359f5ed4a731b733d884745901e4c665fabe3b7d7b4c8fd82d2692bcd1ee0f6d296af46e2f14a9fd9db4e44b121be5bad3ec4

  • SSDEEP

    384:z2CMqS6GmOYSvEM5IC0IXey3M5IC0ioXhhU:Ve5oMmCTeWMmC

Malware Config

Signatures

  • 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 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\$TEMP\VirtualBoxPortableTemp\Test.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4304
  • 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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2692
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\e57d245.rbs

      Filesize

      8KB

      MD5

      e6738774605199e24b44705bd272d61b

      SHA1

      44d009dfb80014264507fa88386c6eb01eb17ad1

      SHA256

      b21deb384ffa014fee0bd45a9340fb75b23da25c1a455eaa1d0388ec2e01a24b

      SHA512

      9b7bbfecbe733645969d1d0857e844cbfcfa83fddbd2fe5f595fc88bb0e693deef97ae68e2c082622832b767507455c2338ec49bad53dce718df63fe6a4d7bfc

    • C:\Windows\Installer\e57d244.msi

      Filesize

      32KB

      MD5

      8f847011d0eb0ab210d72f8df444a510

      SHA1

      99c753b1d04e459d03c655c093e363aebb3557f7

      SHA256

      3f352c15b6251f87e70dfdfe96ee729f5eb08f712451384ab9ef312fb25ffa53

      SHA512

      98a534b2bc711eaa2491d8d6950359f5ed4a731b733d884745901e4c665fabe3b7d7b4c8fd82d2692bcd1ee0f6d296af46e2f14a9fd9db4e44b121be5bad3ec4

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      24.1MB

      MD5

      702d8ff1920b04fff537f3173877068f

      SHA1

      5aaeb033a25c00b0ff43899cb6e0cf8363e88e62

      SHA256

      e51651294b6833fcf3329af5164072c7899421311bbbf85034f48dfac9934a41

      SHA512

      13e7f30953718da22a48d8cce426f68aa7a397b9ddc864a975254c4abf771376d810184b8da6c8450465870fb9597f4fcfb6b8d1e79e1587c6e9e31d2b6c42dd

    • \??\Volume{fb297ba4-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{b60c1e7e-cdc8-4169-8538-80ac0d9789ef}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      4be39fadd4f049cd56bf23d6db4a2456

      SHA1

      e097e7f955a487cb6a92d44687ea8b17f81cd1b1

      SHA256

      24b0f7cb429ecb3c42cbfa860868a8db37f15b51d00f7d8ef15595d140b57bd8

      SHA512

      b222b060eb3701df7acc2e0405782489a16e9f629f3dcd7bed4417f19af42edf421cda97d937ded42bac901c367228f74e246837e2c61659f5192770451f0e37