Analysis

  • max time kernel
    267s
  • max time network
    307s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:57

General

  • Target

    1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516.exe

  • Size

    84KB

  • MD5

    58442dfa80848810537232ac6b984b30

  • SHA1

    91e2980df1c7607e394c71165792ec93331a76ea

  • SHA256

    1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516

  • SHA512

    82f7341a0250edce4607264cb4ff203cf67b1e293572d0dcc651d44d106447e1a58d41aa2c99bb8126698b6ba18d80578e215035d8ede557d3a83fcedfe900d5

  • SSDEEP

    1536:aWPXlG3w3whaFd6gPKcNj1NpNQ6NeYN1l:jPXlGA3wkzEcF1NpxNV

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516.exe
    "C:\Users\Admin\AppData\Local\Temp\1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4660
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:740
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0x40,0x104,0x7ffae38b46f8,0x7ffae38b4708,0x7ffae38b4718
        3⤵
          PID:1680
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=1b9f65f8385b6482b5125216ffff8106d6665ddc5ec66f192a7a43ee32765516.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3128
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffae38b46f8,0x7ffae38b4708,0x7ffae38b4718
          3⤵
            PID:3268

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
        Filesize

        152B

        MD5

        59f470bde9e3126df8c82dc46d1dd8d7

        SHA1

        9dba6f67877f88260136270230a1f3d9652e7f57

        SHA256

        283032bfd5ee5dfc0345b8974aab2081c522b2e2559014534a981b36b5312b47

        SHA512

        f8aecc9de011255505226a8dc0787c34d3e784d818240bdb7a4224632f3c79bb9e933ab9c9c77211e1fda15e558df9229ca91ed36cd55e38272d5d9ea03bd568

      • memory/740-132-0x0000000000000000-mapping.dmp
      • memory/1680-133-0x0000000000000000-mapping.dmp
      • memory/3128-134-0x0000000000000000-mapping.dmp
      • memory/3268-135-0x0000000000000000-mapping.dmp