Analysis

  • max time kernel
    177s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2022 10:19

General

  • Target

    c0e7f2a940e27b8f70a49d3be92e679f0baca87eb508cee47707d74d68a727ab.exe

  • Size

    196KB

  • MD5

    05557c0858fe25dd1d7d5782f79952e0

  • SHA1

    f57ead542458e178b5ae0b9b7ae15f8135639e88

  • SHA256

    c0e7f2a940e27b8f70a49d3be92e679f0baca87eb508cee47707d74d68a727ab

  • SHA512

    cedc30760cf98b41a05c539c2de0bf023d88de7a30d726f84c1a477cc3d8bf49b99bb69afb314c10220dfb07158f12df58e8b6f0d52e172e1bddc5d00d761e19

  • SSDEEP

    6144:EOh24K16oTJWvfU4+bOl8femcK/fObT/bGimszUg7Wqnb:9hOAoTMvs4+bOlNK/fObT/bGip77Rb

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 55 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\c0e7f2a940e27b8f70a49d3be92e679f0baca87eb508cee47707d74d68a727ab.exe
    "C:\Users\Admin\AppData\Local\Temp\c0e7f2a940e27b8f70a49d3be92e679f0baca87eb508cee47707d74d68a727ab.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:5008
    • C:\Users\Admin\ckbaz.exe
      "C:\Users\Admin\ckbaz.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:4284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ckbaz.exe

    Filesize

    196KB

    MD5

    89fa9d5a0ca5ec664342a62d93c9a9c9

    SHA1

    66b759d85833977890c8bd0928502604dfdd2267

    SHA256

    498de630421f18f8e426d029ce4897bf0e0c552477be47a1b0a5bb59a3aa7f3c

    SHA512

    a6b0407d8a5886091d4f76e5ae0b92ddadc3b337740b7d2dcfcadc390d45df05f1c34b85bca070881e463bbc372f2087228b4f89577cdc61559f5ca5005e8ce9

  • C:\Users\Admin\ckbaz.exe

    Filesize

    196KB

    MD5

    89fa9d5a0ca5ec664342a62d93c9a9c9

    SHA1

    66b759d85833977890c8bd0928502604dfdd2267

    SHA256

    498de630421f18f8e426d029ce4897bf0e0c552477be47a1b0a5bb59a3aa7f3c

    SHA512

    a6b0407d8a5886091d4f76e5ae0b92ddadc3b337740b7d2dcfcadc390d45df05f1c34b85bca070881e463bbc372f2087228b4f89577cdc61559f5ca5005e8ce9

  • memory/4284-134-0x0000000000000000-mapping.dmp