Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 17:55

General

  • Target

    d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.exe

  • Size

    144KB

  • MD5

    677986498894d2df51cdada9dc412300

  • SHA1

    de32e6f52353810ff99caea2b091d5c991e90f2c

  • SHA256

    d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1

  • SHA512

    936aaa450733e36dfefc862c92f4cbeb59e4ce6cafc80e45a234deccf19cf88355fa7104352412f99fa5a3dc28c2ae976e8c7b6cd4152f4895e00fcf9d3ed66f

  • SSDEEP

    3072:sr85CquaJG4vlP6k4qmKjfHYToCrSJ9sfQvTg:k9RaJFvlP1jgTkJ4QvTg

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\d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.exe
    "C:\Users\Admin\AppData\Local\Temp\d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.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:2384
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.exe"
      2⤵
      • Executes dropped EXE
      PID:2112

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\d414ec7fb136677a5c66939a5b1c1a9c41241e923fbd15318af30b6a7015b5b1N.exe

    Filesize

    103KB

    MD5

    4c6f5f323f918e9d9276f40e212c2a86

    SHA1

    7d88ff308ff6be59998f3601532c57fa301c2d83

    SHA256

    16640c128f786fffc44a155d87e8fcf8c4d43267bd9f02139fec32ee361397d0

    SHA512

    c9ef913711e6fde4bd5995e67610bb40871331abc97f91c93b68399ed48f2304ba3478d222c6f212c88fdf01e565c21f62c35559bab45eef8b730b5c78433aab

  • memory/2384-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2384-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2384-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB