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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 21:56

General

  • Target

    4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe

  • Size

    90KB

  • MD5

    3742f3095d0e367a2749fd1e07dbaa06

  • SHA1

    45c9a129a088f07570235977a85859880a644880

  • SHA256

    4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a

  • SHA512

    17a342f4e684a113902b2071016b725d097decdaf60f38174d7371e56f9f96ebaf6a0e688b328bbbbad74c3c194344331e9eef0118cf9f56389ad7945cdb331f

  • SSDEEP

    1536:tqA1geNFSvEueL+Tnsx5S0REQO0IcRGgEG43K/p8F7psL:gTRnKSpgpp47q

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe
    "C:\Users\Admin\AppData\Local\Temp\4d808dc1f08e0c700bae4ac0c95132d948e2dd6e5513398e7ef2340b9a7ff03a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2060
    • C:\Users\Admin\quuoxa.exe
      "C:\Users\Admin\quuoxa.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 280
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2060 -s 504
      2⤵
      • Program crash
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\quuoxa.exe

    Filesize

    90KB

    MD5

    ddab84388138a480e8ffb25421057615

    SHA1

    280b4d327090e27d6bbb9284e2792131f8435a68

    SHA256

    155166b60e813842830ab39e040f3ba60504d47a1d95a925bd1483a11467a461

    SHA512

    32fa207fc1c961f4189b21a90460d010a630bdeb299847f5016285450f0a1d56aeab3094b54e114f6334aa97dc267d0f50ac5e1b5aac240db60769fc988ba8e3