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Analysis

  • max time kernel
    119s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 06:02

General

  • Target

    9f4d7462e5ceb8fbdc6cda2a0cc964c0N.exe

  • Size

    240KB

  • MD5

    9f4d7462e5ceb8fbdc6cda2a0cc964c0

  • SHA1

    d2edf3de44928332e483c35675b2010ac9ec443b

  • SHA256

    a70e2a1363a33cc4597298a829d4a27370f8ed3b7429c15f9ab0d7de9fedfca6

  • SHA512

    6a92991efff0ff5c42603c9dc536975ee6d1bcbd791793ea84d4fd09562379a4f6ec4b7c2774e68fda6a7c77445012a734ef71039cb257ed25521cb5229e24e2

  • SSDEEP

    3072:vkNpZT8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5czHol:vA0UGKGkFRKfeoztOO

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f4d7462e5ceb8fbdc6cda2a0cc964c0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9f4d7462e5ceb8fbdc6cda2a0cc964c0N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Users\Admin\qoozo.exe
      "C:\Users\Admin\qoozo.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\qoozo.exe

    Filesize

    240KB

    MD5

    e3bed65fb598d8acca7966f3d537754d

    SHA1

    5a9abe284158bd15022a17bfb39d22025fce2deb

    SHA256

    5c15cfb72f0d83987e4f47c0a428b8a3e787965deaea94d602e4c30c6aa4dac8

    SHA512

    d7b0df7f14f714de9d785af636254a9c8ec47c4c49127262b2a27d32d7e3850484813101771d293d9dd3ca9251423e645fee900773e6780f4d7a2c43ab6eda20