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Analysis

  • max time kernel
    185s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/12/2022, 19:21

General

  • Target

    4301f2da20e2192cb3a00112729b682ddcf25ea440bfc722c3bfb1c4374ddd6d.exe

  • Size

    312KB

  • MD5

    84d65de2ca814f876895c8f14b5da4ae

  • SHA1

    e370b58654dac7dc240ed5e9623ff23383978318

  • SHA256

    4301f2da20e2192cb3a00112729b682ddcf25ea440bfc722c3bfb1c4374ddd6d

  • SHA512

    f4f5df054712844b9319bce3d68aeb00e3a2bd62c49b3f4d66b3f0963c58aae976ecbc1b1c86cefe239c45678e808d45b324410083d461e0987d91c291aa4282

  • SSDEEP

    6144:MX7+TAvTlIpr1f+XqO5aOmSGFDbeOjLPmUagn:++UTlIB1f+55SpNPmU/n

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4301f2da20e2192cb3a00112729b682ddcf25ea440bfc722c3bfb1c4374ddd6d.exe
    "C:\Users\Admin\AppData\Local\Temp\4301f2da20e2192cb3a00112729b682ddcf25ea440bfc722c3bfb1c4374ddd6d.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\kuaunov.exe
      "C:\Users\Admin\kuaunov.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:1540

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\kuaunov.exe

    Filesize

    312KB

    MD5

    59c8ad8fa917c29e0e221aeb84988d89

    SHA1

    2e0dfd16880377c521f300307acd864faab3337d

    SHA256

    2601a821d821d1bc5ee29442f11b1b686d4e8cc5cbcfd5a7db4bd402dcbfc530

    SHA512

    4d21ab32fe248efdcf1d82a51a988661594767eaf1e985ade488775199977de298a296cbf9f8fe949075b9db8c6307d1afd04a7bf4935501145fbbcaa54d4e82

  • C:\Users\Admin\kuaunov.exe

    Filesize

    312KB

    MD5

    59c8ad8fa917c29e0e221aeb84988d89

    SHA1

    2e0dfd16880377c521f300307acd864faab3337d

    SHA256

    2601a821d821d1bc5ee29442f11b1b686d4e8cc5cbcfd5a7db4bd402dcbfc530

    SHA512

    4d21ab32fe248efdcf1d82a51a988661594767eaf1e985ade488775199977de298a296cbf9f8fe949075b9db8c6307d1afd04a7bf4935501145fbbcaa54d4e82

  • \Users\Admin\kuaunov.exe

    Filesize

    312KB

    MD5

    59c8ad8fa917c29e0e221aeb84988d89

    SHA1

    2e0dfd16880377c521f300307acd864faab3337d

    SHA256

    2601a821d821d1bc5ee29442f11b1b686d4e8cc5cbcfd5a7db4bd402dcbfc530

    SHA512

    4d21ab32fe248efdcf1d82a51a988661594767eaf1e985ade488775199977de298a296cbf9f8fe949075b9db8c6307d1afd04a7bf4935501145fbbcaa54d4e82

  • \Users\Admin\kuaunov.exe

    Filesize

    312KB

    MD5

    59c8ad8fa917c29e0e221aeb84988d89

    SHA1

    2e0dfd16880377c521f300307acd864faab3337d

    SHA256

    2601a821d821d1bc5ee29442f11b1b686d4e8cc5cbcfd5a7db4bd402dcbfc530

    SHA512

    4d21ab32fe248efdcf1d82a51a988661594767eaf1e985ade488775199977de298a296cbf9f8fe949075b9db8c6307d1afd04a7bf4935501145fbbcaa54d4e82

  • memory/1696-56-0x0000000075201000-0x0000000075203000-memory.dmp

    Filesize

    8KB