Analysis

  • max time kernel
    157s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 08:04

General

  • Target

    8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe

  • Size

    1.7MB

  • MD5

    2e7ad1a8d1d3df7dbb68e8c7c7eab7ba

  • SHA1

    1915d69b254f80694aa6323e04c2477355a661ed

  • SHA256

    8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce

  • SHA512

    19a8fd0d6e87dc3d8f867b3c9bbf490a0771c6e68620c2a5885d368a817a8d705f32ca5e002e4b51fb03f2bf05bd5419bcb4f4ef6af5dfa5bbc04652f091b093

  • SSDEEP

    12288:KEkIQuPHnIPq/u64piHaujhGgt+JlR355uAfD1umpJpMDAfQv3hSWfFruVFMc0DN:QIQuPoB6HHaujs0+DJH5fbWfJu5f4

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
  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe
    "C:\Users\Admin\AppData\Local\Temp\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.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:880
    • C:\Users\Admin\AppData\Local\Temp\3582-490\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe"
      2⤵
      • Executes dropped EXE
      PID:788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe
    Filesize

    1.7MB

    MD5

    407597446e2b9bdbd5e17ba8037e1d8d

    SHA1

    2a2a0c658bd03483c09ea6f1698f6077c5c5bd13

    SHA256

    a6aa6df2df9c8309c35ccd1dcb4ec0d7b8046a4b4f978a0ea1809cccc3d35262

    SHA512

    74f38b10add47e51e1680e4de51f8d21f6bba5a0d0661cee774bde22aa858ae0281651306b801d58801f7bfa8594d9e8cf3e8277886de73e282788ed4f1ed192

  • C:\Users\Admin\AppData\Local\Temp\3582-490\8049bb1b2f3769e7bfbedb7eedebfd1e21a637156c0be17cd381ee13b12744ce.exe
    Filesize

    1.7MB

    MD5

    407597446e2b9bdbd5e17ba8037e1d8d

    SHA1

    2a2a0c658bd03483c09ea6f1698f6077c5c5bd13

    SHA256

    a6aa6df2df9c8309c35ccd1dcb4ec0d7b8046a4b4f978a0ea1809cccc3d35262

    SHA512

    74f38b10add47e51e1680e4de51f8d21f6bba5a0d0661cee774bde22aa858ae0281651306b801d58801f7bfa8594d9e8cf3e8277886de73e282788ed4f1ed192

  • memory/788-132-0x0000000000000000-mapping.dmp