Analysis

  • max time kernel
    94s
  • 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
    10-12-2024 13:58

General

  • Target

    081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.exe

  • Size

    100KB

  • MD5

    cd5d850bd6a2f2071a80d2493a34ed90

  • SHA1

    b0644c6b9e3ff7abacd64da791293f28cf4ba5e1

  • SHA256

    081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797

  • SHA512

    70dec597a8616051c43d43a6c8ec7f0fa6ce6eeb741750aaa30ab71be31bb9054c84448fa3b0a794f36c2b2f6b2c2717b248c50a591830198815c1dd9ae03223

  • SSDEEP

    1536:JxqjQ+P04wsmJCABZPuD6brcD5cmSoq2Rkp44XE3nNICE:sr85CA3WD6brM+o7Sp44XE3neCE

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 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.exe
    "C:\Users\Admin\AppData\Local\Temp\081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.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:4752
    • C:\Users\Admin\AppData\Local\Temp\3582-490\081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4260

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\081ddd854cb4cd916800853eb43716500dcf37e72d17079928f913ab045b2797N.exe

    Filesize

    60KB

    MD5

    8b3ea5cb9e5ce2ac7969823fb9227620

    SHA1

    aa8aeb95b6e42d7e86884bb304b9480843c4576d

    SHA256

    fdfe852be92b6c5d3e91126f8c377b243b8912494ba40d283d1ede6459535e2e

    SHA512

    04e25efcdf0fe289db3963b38de9924858612d0874249dacf4b452b1f6311799e1deeeb2e62ee33668a80191e083777cb722c8c61ec88acd51517bb10352e6cd

  • memory/4752-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4752-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4752-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB