Analysis

  • max time kernel
    191s
  • max time network
    199s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2022, 17:57

General

  • Target

    c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe

  • Size

    1.4MB

  • MD5

    673568de03d7615c5c7e7e52d25546a0

  • SHA1

    570518b8fd7f6d880907c69c24e77b47ad40ea77

  • SHA256

    c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550

  • SHA512

    ba613a9fa111f87bc074314829a13a1f0578cfbb923c0a558e57113076d21c4c77b32d776339d2c393c3e6cbd5b4413e2fe1342a2618945ae601f94ca197a21d

  • SSDEEP

    24576:K0raQnnjVLaYUOjtNao+PdbLDnm2y++YlArZqChK7MMMMMMsXJmQ:VraQnba55njXllYEVMMMMMMsZmQ

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe
    "C:\Users\Admin\AppData\Local\Temp\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe"
      2⤵
      • Modifies system executable filetype association
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1088

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe

          Filesize

          1.4MB

          MD5

          af2bbcac455f23fb916ba01bc2c7495f

          SHA1

          819a7fdf4b837a372d3cf58d35925439ca1eaa6b

          SHA256

          6180b5c055fd0d728b77ec580e03570c0df8c9196fd746e1c7aac23e6ce59bfb

          SHA512

          fae7ea3e8e08621b975e04dce925b92c26676155ef1c3636e56bf822d589d16a44d65d9fb304191d133417eef901bc308480afad124caab8aae5bd1c88d63920

        • C:\Users\Admin\AppData\Local\Temp\3582-490\c85aa9adecd42ed0db4c4bc6606e3d4c077639abb0a06c08216a04cf96880550.exe

          Filesize

          1.4MB

          MD5

          af2bbcac455f23fb916ba01bc2c7495f

          SHA1

          819a7fdf4b837a372d3cf58d35925439ca1eaa6b

          SHA256

          6180b5c055fd0d728b77ec580e03570c0df8c9196fd746e1c7aac23e6ce59bfb

          SHA512

          fae7ea3e8e08621b975e04dce925b92c26676155ef1c3636e56bf822d589d16a44d65d9fb304191d133417eef901bc308480afad124caab8aae5bd1c88d63920