Analysis

  • max time kernel
    133s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2022, 21:17

General

  • Target

    860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe

  • Size

    864KB

  • MD5

    6a4999890b467b1117abebc0ea5a7ba0

  • SHA1

    196d3500a5ee4d1584270b41c64acf454c4e517d

  • SHA256

    860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e

  • SHA512

    313dd25b3656a390fcec89c4a9735b1a4219e87a30b4f265acf7be1ad52417161b9cc8b5e8340fcdbc699874034bf0f7640f129dee1edc78e215576f361e2fcc

  • SSDEEP

    24576:vES/2bOEvqotDYktnKCb2qxGwXV87sxtm+:vEX6stD4CaqxR8IF

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 2 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe
    "C:\Users\Admin\AppData\Local\Temp\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.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:3332
    • C:\Users\Admin\AppData\Local\Temp\3582-490\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5112
      • C:\Windows\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe
        "C:\Windows\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:2300

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe

          Filesize

          824KB

          MD5

          3c8991d0eaee992067194b80903a31c6

          SHA1

          36c363f2a977d7e5fdb98af79fef62ea01ded878

          SHA256

          d443724b8c575c29152a9a6d0c86b62058897e061e62452de47f65cd2482d00b

          SHA512

          a3c3eec2d5e82a2f020a65cbe31bedbafc5790a332773e9ab9b2416e51ce6346d37bf4956ca86f79daeda4ed82368420097995808300846212e97aedad8bd7a3

        • C:\Users\Admin\AppData\Local\Temp\3582-490\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe

          Filesize

          824KB

          MD5

          3c8991d0eaee992067194b80903a31c6

          SHA1

          36c363f2a977d7e5fdb98af79fef62ea01ded878

          SHA256

          d443724b8c575c29152a9a6d0c86b62058897e061e62452de47f65cd2482d00b

          SHA512

          a3c3eec2d5e82a2f020a65cbe31bedbafc5790a332773e9ab9b2416e51ce6346d37bf4956ca86f79daeda4ed82368420097995808300846212e97aedad8bd7a3

        • C:\Windows\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe

          Filesize

          824KB

          MD5

          3c8991d0eaee992067194b80903a31c6

          SHA1

          36c363f2a977d7e5fdb98af79fef62ea01ded878

          SHA256

          d443724b8c575c29152a9a6d0c86b62058897e061e62452de47f65cd2482d00b

          SHA512

          a3c3eec2d5e82a2f020a65cbe31bedbafc5790a332773e9ab9b2416e51ce6346d37bf4956ca86f79daeda4ed82368420097995808300846212e97aedad8bd7a3

        • C:\Windows\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe

          Filesize

          824KB

          MD5

          3c8991d0eaee992067194b80903a31c6

          SHA1

          36c363f2a977d7e5fdb98af79fef62ea01ded878

          SHA256

          d443724b8c575c29152a9a6d0c86b62058897e061e62452de47f65cd2482d00b

          SHA512

          a3c3eec2d5e82a2f020a65cbe31bedbafc5790a332773e9ab9b2416e51ce6346d37bf4956ca86f79daeda4ed82368420097995808300846212e97aedad8bd7a3

        • memory/2300-140-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/2300-141-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/5112-135-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/5112-139-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB