Analysis

  • max time kernel
    141s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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.

  • Loads dropped DLL 2 IoCs
  • 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 16 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe
    "C:\Users\Admin\AppData\Local\Temp\860605b66461e395d40988fe6fefdfbbe1aeb0f201e693c26a2db5cbbbd9904e.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1512
    • 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:1932
      • 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:1976

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

        • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

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

          Filesize

          824KB

          MD5

          3c8991d0eaee992067194b80903a31c6

          SHA1

          36c363f2a977d7e5fdb98af79fef62ea01ded878

          SHA256

          d443724b8c575c29152a9a6d0c86b62058897e061e62452de47f65cd2482d00b

          SHA512

          a3c3eec2d5e82a2f020a65cbe31bedbafc5790a332773e9ab9b2416e51ce6346d37bf4956ca86f79daeda4ed82368420097995808300846212e97aedad8bd7a3

        • memory/1512-58-0x00000000025F0000-0x0000000002708000-memory.dmp

          Filesize

          1.1MB

        • memory/1512-54-0x00000000756A1000-0x00000000756A3000-memory.dmp

          Filesize

          8KB

        • memory/1512-69-0x00000000025F0000-0x0000000002708000-memory.dmp

          Filesize

          1.1MB

        • memory/1932-60-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/1932-64-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/1976-66-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB

        • memory/1976-68-0x0000000000400000-0x0000000000518000-memory.dmp

          Filesize

          1.1MB