Analysis

  • max time kernel
    39s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 11:22

General

  • Target

    4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

  • Size

    847KB

  • MD5

    1118b3da19b41c28d3830fd826eb4520

  • SHA1

    befe222802743f62fa70516eca24c432a6a5faab

  • SHA256

    4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6

  • SHA512

    c960e14bf6364dff6bf728cdd8fc2d8a986968e81e8fedb0b02f17e1bb1cbde3a21e799c704be61b60fd92c12b8a780d82b4a5436e89d33483ace7d2763b6fab

  • SSDEEP

    6144:PuifiQpkgCi8gCjXB/iwi5auSpxQWQSO8ZuTUAI6fdyJefiQuHyeOa0PnswVok:dk1iyjXViwjpiWQSO8ZmIQeql

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 1 IoCs
  • Loads dropped DLL 5 IoCs
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe
    "C:\Users\Admin\AppData\Local\Temp\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.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:1276
    • C:\Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • C:\Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • \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\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • \Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • \Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • \Users\Admin\AppData\Local\Temp\3582-490\4358c36768d09d81b2288947869db7ab04ba85831315f6b188008d90a4265ac6.exe

    Filesize

    807KB

    MD5

    ebcdf99754ba048bcafb173d9f1c3599

    SHA1

    fb166a0afea0dbfc5463bd00fd15f4cf20bd6612

    SHA256

    589294868542a2edca99264641ae741191389998d13b26ec1fb7352f392da3f4

    SHA512

    09a705d2d563dc67d1e0cb06bcbdb0d6692ee2c9f1d727738d45d47bba7f624a82c576d27ef8b72ba79e0287c649b3ffeb371176451d441f3544a9960e6bb192

  • memory/1276-54-0x00000000765A1000-0x00000000765A3000-memory.dmp

    Filesize

    8KB

  • memory/2020-56-0x0000000000000000-mapping.dmp