Analysis

  • max time kernel
    234s
  • max time network
    244s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 21:20

General

  • Target

    b19ff3ef514101dd812ec879c75ea2676eb432cbe9e9d2c37a3bd6d90e66fa67.exe

  • Size

    3.5MB

  • MD5

    b9a4026e802e6bb6678310391f458729

  • SHA1

    3d71e1e2718f918424e4c27aa475f8837cf6b08e

  • SHA256

    b19ff3ef514101dd812ec879c75ea2676eb432cbe9e9d2c37a3bd6d90e66fa67

  • SHA512

    81502773bf431a79e9b3a11f6bc8507ee8c0401f79b32c29239584534c583c41686ba6c30e2757925744bf81f4b3298a533e9f3b330920f41f741a6de5465afb

  • SSDEEP

    49152:H7TvfU+8X9GrNOsva5RbKhF3ANkTTlcP/35uM0oJP:c+8X9G3vP3AMOp0oP

Score
8/10

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 61 IoCs
  • Suspicious use of SendNotifyMessage 26 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\b19ff3ef514101dd812ec879c75ea2676eb432cbe9e9d2c37a3bd6d90e66fa67.exe
    "C:\Users\Admin\AppData\Local\Temp\b19ff3ef514101dd812ec879c75ea2676eb432cbe9e9d2c37a3bd6d90e66fa67.exe"
    1⤵
      PID:3552
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4520
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1088
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:988
    • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
      "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\9DNZSKKP\microsoft.windows[1].xml

      Filesize

      97B

      MD5

      100b85d03c9a92f5de53e1f210dbd426

      SHA1

      f8f4f1693dd0158a5d715a6104cf88d5d8b2097b

      SHA256

      f42a921438bdea6baa25de36a2f4e7a25d21880514a0cecdd5e70914de65a630

      SHA512

      b66c1ef7b555cdc27afa1b62e618945ed41d2e32671b7155f05a81dcdf81d9c5b42d55fd993eaf3b83c60ff7a41198a3db8207367513f524f65ee37112405d91

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133416046095453475.txt

      Filesize

      75KB

      MD5

      62d81c2e1e8b21733f95af2a596e4b18

      SHA1

      91c005ecc5ae4171f450c43c02d1ba532b4474c6

      SHA256

      a5596f83717bf64653b95ffe6ec38f20e40fd928456d5e254a53a440804d80b6

      SHA512

      c7f349acf55694ff696750c30a25c265ff07ced95e4d2a88fa2829d047ca3b3007dc824613a8c403c7613085aca4212155afe03f8f237c0d7781fd87e1fb8a7c

    • C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\9DNZSKKP\microsoft.windows[1].xml

      Filesize

      97B

      MD5

      100b85d03c9a92f5de53e1f210dbd426

      SHA1

      f8f4f1693dd0158a5d715a6104cf88d5d8b2097b

      SHA256

      f42a921438bdea6baa25de36a2f4e7a25d21880514a0cecdd5e70914de65a630

      SHA512

      b66c1ef7b555cdc27afa1b62e618945ed41d2e32671b7155f05a81dcdf81d9c5b42d55fd993eaf3b83c60ff7a41198a3db8207367513f524f65ee37112405d91

    • memory/988-11-0x000001AA48040000-0x000001AA48060000-memory.dmp

      Filesize

      128KB

    • memory/988-13-0x000001AA48000000-0x000001AA48020000-memory.dmp

      Filesize

      128KB

    • memory/988-16-0x000001AA48410000-0x000001AA48430000-memory.dmp

      Filesize

      128KB

    • memory/3376-42-0x000002CC4F390000-0x000002CC4F3B0000-memory.dmp

      Filesize

      128KB

    • memory/3376-46-0x000002CC4F780000-0x000002CC4F7A0000-memory.dmp

      Filesize

      128KB

    • memory/3376-44-0x000002CC4F660000-0x000002CC4F680000-memory.dmp

      Filesize

      128KB

    • memory/4520-5-0x0000000004C40000-0x0000000004C41000-memory.dmp

      Filesize

      4KB