Overview

overview

3

Static

static

1

chooser.exe

windows7-x64

3

chooser.exe

windows10-2004-x64

3

Analysis

  • max time kernel
    333s
  • max time network
    373s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2023 07:22

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General

  • Target

    chooser.exe

  • Size

    4KB

  • MD5

    3dc6c43398ace78a0600aee3243ce2bc

  • SHA1

    cfcf3930f0bbee547395decd6476d5c70bac970d

  • SHA256

    593a3cc35b9d48e4a683b2365ee7991d31df46c414a501076813e108709cc614

  • SHA512

    f66af0ae71489d9b4c1c07e5ba140091320344002749904906333a664f016495c5959acb8439cc1ffe042c8376db4b3bd10cc28736fa4f4efa2b755f2de4be59

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chooser.exe
    "C:\Users\Admin\AppData\Local\Temp\chooser.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:3548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3548-133-0x0000000000760000-0x0000000000768000-memory.dmp

    Filesize

    32KB

    Download

  • memory/3548-134-0x000000001CAA0000-0x000000001CAB0000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3548-135-0x000000001CAA0000-0x000000001CAB0000-memory.dmp

    Filesize

    64KB

    Download