Analysis

  • max time kernel
    151s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 23:54

General

  • Target

    34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713.exe

  • Size

    1.6MB

  • MD5

    83bb9c50ca7bd6bd0b9e6a301f052a66

  • SHA1

    b96789f8d5de1d7d435c1d0a3f412ec608bee847

  • SHA256

    34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713

  • SHA512

    c3fa8f22b622b1d4fc9d85390794b22832fc070b95f2e7bd703af25443510b236231e60fa66c64320277f44d82074369873b8dd6daf8088266ea8b28980c1513

  • SSDEEP

    24576:Ltb2tpkaCqT5TBWgNQ7aR5J06AFblE8Z000DwbUiMHKnd:IEg5tQ7aR5G5FJsDwoiuUd

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.

  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713.exe
    "C:\Users\Admin\AppData\Local\Temp\34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1472
    • C:\Users\Admin\AppData\Local\Temp\34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713.exe
      "C:\Users\Admin\AppData\Local\Temp\34808cb9de354172c3e0a4b868ee597d96eb8d88e016843a6731f16ee566f713.exe"
      2⤵
      • Modifies system executable filetype association
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/772-61-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-64-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-58-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-59-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-60-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-71-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-62-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-56-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-65-0x00000000004080E4-mapping.dmp
  • memory/772-66-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-68-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-69-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/772-55-0x0000000000400000-0x0000000000463000-memory.dmp
    Filesize

    396KB

  • memory/1472-54-0x0000000075F21000-0x0000000075F23000-memory.dmp
    Filesize

    8KB