Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 15:27

General

  • Target

    2f16c3e2c341e398e99552a076d6ebceeb8dbfdcfb2b5386b2a48984e62b5034.exe

  • Size

    240KB

  • MD5

    0c9a41f12c4e7cfd4bf91b1a98c27d40

  • SHA1

    c7c168eaa3a357d5fcae4d2f19096c9ec2ad8acc

  • SHA256

    2f16c3e2c341e398e99552a076d6ebceeb8dbfdcfb2b5386b2a48984e62b5034

  • SHA512

    98521f2adefcaf77d8e1c8dc2a3f9dd04f9041c28bb22b0239c85bb4f16d56c2eadc382664a647ead2dcd88fc5a04fa2b7a4eafc3d2fa5c3244b0e2f1c202bc4

  • SSDEEP

    3072:LkBGaT8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5cz+Yj:L20UGKGkFRKfeoztO3

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 29 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f16c3e2c341e398e99552a076d6ebceeb8dbfdcfb2b5386b2a48984e62b5034.exe
    "C:\Users\Admin\AppData\Local\Temp\2f16c3e2c341e398e99552a076d6ebceeb8dbfdcfb2b5386b2a48984e62b5034.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\qauun.exe
      "C:\Users\Admin\qauun.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4936

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\qauun.exe

    Filesize

    240KB

    MD5

    7ef83c3034d9bf9f54c1fb3aae5cc824

    SHA1

    97fcdd93b3d9e77ba0e0df88e48e0417db07ff04

    SHA256

    ee0ea37bec0e4a4bd80d10daa1ded0665081c28610137c02cb1f6ae2cf8391a1

    SHA512

    9a251c9845168fb2fb6c586e51f0570470f29fa0513250689476baddd599aae774363f670f2770bf53dc2f5d418237465b78e50b9b1703df84bd055bfd287fcd

  • C:\Users\Admin\qauun.exe

    Filesize

    240KB

    MD5

    7ef83c3034d9bf9f54c1fb3aae5cc824

    SHA1

    97fcdd93b3d9e77ba0e0df88e48e0417db07ff04

    SHA256

    ee0ea37bec0e4a4bd80d10daa1ded0665081c28610137c02cb1f6ae2cf8391a1

    SHA512

    9a251c9845168fb2fb6c586e51f0570470f29fa0513250689476baddd599aae774363f670f2770bf53dc2f5d418237465b78e50b9b1703df84bd055bfd287fcd