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Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/06/2023, 12:57

General

  • Target

    certreq.exe

  • Size

    257KB

  • MD5

    f5074313a069b36b9caeb986efe1741c

  • SHA1

    e813a5b3858661620da17dac36f1ac7b39641489

  • SHA256

    49e20107c10c9e4cb7ef10121a8c84514e34421698abe5dcb289a2a89395f1aa

  • SHA512

    e7f63a355a05f6be15a39181f674303be52d233a8f0b9800945a94a487948e7d3b1fc56bed50a398e5c8968ea5b0e2787d4598dc935909faa33a6499501598d5

  • SSDEEP

    6144:v2FBff6a4QBlHr/NKBLjFk8gccz1YVrkfTH:v6n6abvHwhjF3qH

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\certreq.exe
    "C:\Users\Admin\AppData\Local\Temp\certreq.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    PID:2228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Explorer\iconcache_idx.db

    Filesize

    28KB

    MD5

    a820cafafbf565a1532c0d715e27d6fa

    SHA1

    c10b95f796218d8cc5ccf31b54cd52331b005ef7

    SHA256

    254a42e976fc80e32e204caca97b1d4300c5000f541d611daf057f7b33841494

    SHA512

    ebf7683ece216fb17deab6fcca9efbee069c80e762efcc1f3d743b0dac07356117fdd235abf46746e106f4e74f32ec490bd3c21ae0e031b5ce7752aad45c9212