Analysis

  • max time kernel
    136s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 00:40

General

  • Target

    2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe

  • Size

    6.5MB

  • MD5

    b955ff7526cb8253670de67c2025183f

  • SHA1

    47051bca76d66baa92fb1cd45300f922a1bfc334

  • SHA256

    03c95a76db0ed5bab25c519a3146c0c5d70684012efc7a3ceda2869f85fb1389

  • SHA512

    15df2c2d854c2790dc2658c849e34540595fef16bf5577651c2a4a0ef8cd83e3bcb22a1d0b5cf36b20d293167537c04b5348bf0c4eac181b217246e0bbf3a6a8

  • SSDEEP

    98304:DI9tiSH6a6gfFCZ8th/yp3qvZ4ypOKRxoBBTxBQk6dtQ:DAH6aff4+4p84yjRyBNxqQ

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_b955ff7526cb8253670de67c2025183f_avoslocker_revil.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3432
    • C:\Users\Admin\AppData\Local\Temp\14455f59554848a394762d31aa6d7c35.exe
      "C:\Users\Admin\AppData\Local\Temp\14455f59554848a394762d31aa6d7c35.exe" --01
      2⤵
      • Executes dropped EXE
      PID:4880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\14455f59554848a394762d31aa6d7c35.exe

    Filesize

    6.0MB

    MD5

    02e6bf47f5315e8da515ccae63f58a6e

    SHA1

    3469eec2964080610b188eceabc216a5f0244d2b

    SHA256

    aad9c5c01c5c87d33da0695c53eb0bdae432d41452a2f54ddc1f23eb14928517

    SHA512

    949bf7ff8eaa37a0c036af580f6bde633aec5336312f1c96d879aaf2398ee05f82a9d84ce002937b95382bedf2e7143e894b8d0feec478d074a1a3e1baf1d031

  • memory/3432-6-0x000000001D120000-0x000000001D14E000-memory.dmp

    Filesize

    184KB

  • memory/3432-1-0x00007FF947590000-0x00007FF947F31000-memory.dmp

    Filesize

    9.6MB

  • memory/3432-3-0x000000001CC80000-0x000000001CD1C000-memory.dmp

    Filesize

    624KB

  • memory/3432-4-0x00007FF947590000-0x00007FF947F31000-memory.dmp

    Filesize

    9.6MB

  • memory/3432-5-0x0000000001BE0000-0x0000000001BE8000-memory.dmp

    Filesize

    32KB

  • memory/3432-0-0x00007FF947845000-0x00007FF947846000-memory.dmp

    Filesize

    4KB

  • memory/3432-9-0x000000001CEB0000-0x000000001CEBA000-memory.dmp

    Filesize

    40KB

  • memory/3432-2-0x000000001C710000-0x000000001CBDE000-memory.dmp

    Filesize

    4.8MB

  • memory/3432-13-0x00007FF947590000-0x00007FF947F31000-memory.dmp

    Filesize

    9.6MB

  • memory/3432-16-0x0000000001E50000-0x0000000001E60000-memory.dmp

    Filesize

    64KB

  • memory/3432-17-0x000000001DD50000-0x000000001DD70000-memory.dmp

    Filesize

    128KB

  • memory/3432-18-0x000000001DDC0000-0x000000001DDD8000-memory.dmp

    Filesize

    96KB

  • memory/3432-20-0x00007FF947590000-0x00007FF947F31000-memory.dmp

    Filesize

    9.6MB