Analysis

  • max time kernel
    150s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2022 08:00

General

  • Target

    693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5.exe

  • Size

    164KB

  • MD5

    5a1b5e4d63c21989d4fdb2fe360a66b0

  • SHA1

    b2bb61777f900476928d411b39afab9dedee6932

  • SHA256

    693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5

  • SHA512

    5a68446ecae76c03c203bddb36bbb095336524721b7757dfc72b7483a6368fdb648bb9cf23046788bebb33159c2bfea5e6f0ab71d7d0379f3ba579e89e94efc5

  • SSDEEP

    3072:OtZOOh8ZIzKuKfeaUbOL72TKBb4npuou3MwQpGV2qh7cz9qX:4ZTqvpePi72TBob3M4cz9

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5.exe
    "C:\Users\Admin\AppData\Local\Temp\693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\reg.exe
      "C:\Windows\System32\reg.exe" add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run" /v "dongo" /t REG_SZ /d "C:\Users\Admin\AppData\Roamingtooniee.exe" /f
      2⤵
      • Adds Run key to start application
      PID:4664
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\ttpxliobwshpmvb_vnkxnixzev1.vbs"
      2⤵
        PID:3668
      • C:\Users\Admin\AppData\Local\Temp\693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5.exe
        "C:\Users\Admin\AppData\Local\Temp\693b52fdc63a82b49cfe7ce12a98cafc9e28b1f0607f1ad6e5924ce2c4af99e5.exe"
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2372

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\ttpxliobwshpmvb_vnkxnixzev1.vbs
      Filesize

      397B

      MD5

      a673165db181adc2712865ce06042507

      SHA1

      c0a86470500cdf1ee822fe1d9811346830fa75d8

      SHA256

      1ecb449e2f449abd148aaa35dbdfdad7d4c4adddb17615c1a92356ec6189f31c

      SHA512

      196942ca50c3463e03eb4ac8071444de04c910f35084df690a2779334f788c808c40fee7aef30526b6ddc06e668fb501408a5939c27d399d9ff90507551ed90e

    • memory/2372-136-0x0000000000000000-mapping.dmp
    • memory/2372-137-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/2372-138-0x00000000752E0000-0x0000000075891000-memory.dmp
      Filesize

      5.7MB

    • memory/2372-140-0x00000000752E0000-0x0000000075891000-memory.dmp
      Filesize

      5.7MB

    • memory/3668-135-0x0000000000000000-mapping.dmp
    • memory/4092-132-0x00000000752E0000-0x0000000075891000-memory.dmp
      Filesize

      5.7MB

    • memory/4092-133-0x00000000752E0000-0x0000000075891000-memory.dmp
      Filesize

      5.7MB

    • memory/4664-134-0x0000000000000000-mapping.dmp