Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 06:05

General

  • Target

    47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe

  • Size

    494KB

  • MD5

    e48cb45a023a539d346f15dc26d2ff40

  • SHA1

    de978b74492795c89c8cbec4c8e63537c7460778

  • SHA256

    47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9

  • SHA512

    1b6c496f90087817b3f89be96c58c0de617d8f379ffd91e63e5ee02d3d33b3068f78b1442fe3cbe6d100ffc4df26385623f13b4ff46e2a12c83626c5429e6076

  • SSDEEP

    12288:EwlBKwrxe+C0T1cy2bZs7nYFZX/E2yQoy/QjJAyj:EwRe+C0T1cJtsEvXs2yQoyaJP

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • Neshta

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

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe
    "C:\Users\Admin\AppData\Local\Temp\47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe"
      2⤵
      • Executes dropped EXE
      PID:3316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\47758d716d19d33111093b8c5a755aa88478eb352f5fa760dc9d5541ddd740a9N.exe

    Filesize

    454KB

    MD5

    45bf9267e38658f0bcf9b6730384537b

    SHA1

    5d906bf13c5815a123d6b8663053fae1c57420e6

    SHA256

    f28e10e77d6f55973c91230e6b29b2e9fa7061f824804ddbb519a1afaac99627

    SHA512

    5dfbf9d5b1af605074e0ed26544d7fb01b7988989960b6d24f322a7a4228fe878a14b5a14d50f68cfa57333317e6170635aad4b5f0b331b25f9c0b3694c94c3c

  • memory/1488-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1488-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1488-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB