Analysis

  • max time kernel
    220s
  • max time network
    280s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250313-en
  • resource tags

    arch:x64arch:x86image:win11-20250313-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28/03/2025, 13:52

General

  • Target

    SuperViewer Installer/Volume/bin/p6/KillBit64.msi

  • Size

    1.1MB

  • MD5

    5c7c1bfb5b96ae0cae0ca5071a2d6ab3

  • SHA1

    70048b3384fcd6acd768376e5e461030a5a1a5ab

  • SHA256

    ac7e090826f58b754d49441c9e5f5a23b91cd25afc87a57b2d80762b962d4cc4

  • SHA512

    013a80e24ed8e6db8f1a79457a8616871b497bc7a10252eb16433599183e71a8369d04d246d809dde22089d4e6bb89ef1dedededfb76a2fa37bb4017e431a6ee

  • SSDEEP

    24576:oFBOtVWyo/3G54+TQNxshTK+63S3ZgTqGgeSZUf/:oFstsMZC2PJg6Uf

Score
6/10

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 Windows directory 19 IoCs
  • Loads dropped DLL 11 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.

  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 24 IoCs
  • 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\SuperViewer Installer\Volume\bin\p6\KillBit64.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5772
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A8D800AFBF9EF59835505A4F54E5D205 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4776
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4632
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2CDBE1AE44A9D620FDB29A83C5D83D7E
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2260
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Config.Msi\e58537b.rbs

      Filesize

      11KB

      MD5

      64f974485c3131746ccb75e5cec64716

      SHA1

      20b1411931013432876693c9251f1dc3f939e467

      SHA256

      681ad042134fca64f470d7a3aa1689f1b5aebd0d21a40701fbbb65b0c1d2a470

      SHA512

      927d58cd01f63c32b24b288b7a4a891e4367968b0c1cbeb23a835d650f8124bb758e1cb8f539c3a382d51b10e1a4fc102800ba3957e0f8d174efd882a2efafaa

    • C:\Users\Admin\AppData\Local\Temp\MSIB824.tmp

      Filesize

      639KB

      MD5

      c6417930af8969f9f2cb431acd76ec89

      SHA1

      d2f2dc9b44f5f79348f7f36091b26a5465ad4f2b

      SHA256

      1b89704532113150fc7a8a06b5367ee26937c346635a860e93662e1fbb5cd79b

      SHA512

      f30d7a5b51f5d866ccabf3e15a45d3b4013e28a9bdaaf2176e8b121fbd4ab41a8e67c059b2ece8db5bc7a0ce043e76bbc4e3f6400fb9cd2886e1ffcd9e65d79b

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

      Filesize

      24.6MB

      MD5

      ace9b8b4a241f42c62d8617921fa67c9

      SHA1

      35c749a68815455b21f26349c06bfdb203ab03f8

      SHA256

      83189a07b20287be9a19a6e63ba3086d158ef88b4719e4e3d22a862496fb34e1

      SHA512

      9728fcf21f19eca2e7b60665d534d709c5853305d0b65500f1b35d28c9bb317ac8f87351ed50949d0e5ed75c903b0a20995eb9f096b7a6c3adb5f1179fa71563

    • \??\Volume{d3053786-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{59b1ce43-36f5-4408-9038-83bb687afa5b}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      fd2e4db7dff5efd98b0eb2e7680552ca

      SHA1

      17600f2caddf2f582b017e5f5d6009455504cb0f

      SHA256

      1df2a2c9d4ecd1055ba92a7c0f7c765d234e5d07ceaf1d8ee1b44ce0fc11c93a

      SHA512

      620b02cff5f5fa2fc3a4713a35ede3701efe3b766b92e8511736d442f58cd331da2c7c1ec9c001b7bdc105b963bae1a040845dbb496856f79955a782d38a5f6c