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
    19-12-2024 11:43

General

  • Target

    3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.exe

  • Size

    3.8MB

  • MD5

    c0f00d40b5048881aa513e11afbc7e80

  • SHA1

    1136a668ed349fc4644c637deee0b680adf3f2c2

  • SHA256

    3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8

  • SHA512

    4e547dec85a879e43d39bccbc89677dfff3ec9484ce836bcf7e1d763dafce44ba236cd29a4a32e718babc2a4ecb2750184bfcbc6a1103c36e263526cfbd19426

  • SSDEEP

    49152:UO687DbkbaJlR2nzRyWfmqzZHeBwTp+WSoiET2scTibLkWZ:UmpKmo0spbYQ

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\3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.exe
    "C:\Users\Admin\AppData\Local\Temp\3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.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:1276
    • C:\Users\Admin\AppData\Local\Temp\3582-490\3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.exe"
      2⤵
      • Executes dropped EXE
      PID:3772

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\3425208cd6ed0817d30af97ba9c9f129b1c50ede1b0d9e10ba1aec0804a1e1d8N.exe

    Filesize

    3.8MB

    MD5

    7cb498021308fa475c3bd490be8c8334

    SHA1

    4c3d580a072e423a8f2d0fe39f0123d803f5e561

    SHA256

    bc215092213663d5cd4bdae9016e9f0c42d83ced9b0ffb589fb6acade6f1ebed

    SHA512

    72530c537d3d210e5fe10118b35f4ada43e74fc9a8ac905469a219b92aaa16a6146b0516cee39fb2ef2ae563b3a4a739ed3e92a254da16fb7f5f83cb633ce7e3

  • memory/1276-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1276-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1276-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB