Analysis

  • max time kernel
    152s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 22:39

General

  • Target

    cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe

  • Size

    92KB

  • MD5

    8e4b700bb4dbad6bb9d09b41dac75c3d

  • SHA1

    d4a6a3056b34da16ace905c75fdbe4124fdf84b9

  • SHA256

    cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb

  • SHA512

    f41b93e3bc6834aef96e64682833384442c1e54373a71bd2dfda95d58152f2d5d81a53ed2af8fe6cc28a5af804813d01ab7db5b7435a4142f97134d68e7fe6ec

  • SSDEEP

    1536:5IibhPjjBkvWN/3HgGl+yocTzFJ0T72Vp3/:es7/H5BTzFJ0T72L/

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 28 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\cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.exe
    "C:\Users\Admin\AppData\Local\Temp\cb9fceae5074208f0225cbc843b0b687cd10c73c23f8e1cc53d9a777c5728edb.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:3412
    • C:\Users\Admin\xayuq.exe
      "C:\Users\Admin\xayuq.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:396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\xayuq.exe

    Filesize

    92KB

    MD5

    e7ac13abdd02e0fbf4fb13f0250b8c74

    SHA1

    530c4db8eeb6f799bec93bb08f524db3356bd247

    SHA256

    92a420fe98c644ace509e066e82ddd7e577332da03e26013b8f75682b9cd929d

    SHA512

    2aee6e259819f70714d889b5926d8b9db68a65a57a6e091b6417c68cab101255efe1dfefb1bdd50bc5d2b7d6c2730e8589cd012cfa33633296c1b3a87d357f3d

  • C:\Users\Admin\xayuq.exe

    Filesize

    92KB

    MD5

    e7ac13abdd02e0fbf4fb13f0250b8c74

    SHA1

    530c4db8eeb6f799bec93bb08f524db3356bd247

    SHA256

    92a420fe98c644ace509e066e82ddd7e577332da03e26013b8f75682b9cd929d

    SHA512

    2aee6e259819f70714d889b5926d8b9db68a65a57a6e091b6417c68cab101255efe1dfefb1bdd50bc5d2b7d6c2730e8589cd012cfa33633296c1b3a87d357f3d