Resubmissions

31-01-2023 09:58

230131-lzgw7sfh46 5

31-01-2023 09:47

230131-lr6klahf4x 1

31-01-2023 09:44

230131-lqf9bafh34 5

Analysis

  • max time kernel
    233s
  • max time network
    235s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2023 09:58

General

  • Target

    https://1drv.ms/w/s!AlqsZJwur1CEe7bITS-z7vU-WWk

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Checks processor information in registry 2 TTPs 5 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" https://1drv.ms/w/s!AlqsZJwur1CEe7bITS-z7vU-WWk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4800
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" https://1drv.ms/w/s!AlqsZJwur1CEe7bITS-z7vU-WWk
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4732
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4732.0.649775457\115988605" -parentBuildID 20200403170909 -prefsHandle 1656 -prefMapHandle 1668 -prefsLen 1 -prefMapSize 219944 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4732 "\\.\pipe\gecko-crash-server-pipe.4732" 1764 gpu
        3⤵
          PID:4380
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4732.3.1494795217\130434540" -childID 1 -isForBrowser -prefsHandle 2520 -prefMapHandle 2480 -prefsLen 112 -prefMapSize 219944 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4732 "\\.\pipe\gecko-crash-server-pipe.4732" 2528 tab
          3⤵
            PID:4412
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4732.13.304248916\2086813806" -childID 2 -isForBrowser -prefsHandle 3504 -prefMapHandle 3500 -prefsLen 6894 -prefMapSize 219944 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 4732 "\\.\pipe\gecko-crash-server-pipe.4732" 3556 tab
            3⤵
              PID:3620

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        1
        T1082

        Replay Monitor

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        Downloads