Resubmissions

30/03/2025, 00:32

250330-avvfysykz9 10

04/03/2025, 10:21

250304-mdy42axze1 10

Analysis

  • max time kernel
    104s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 00:32

General

  • Target

    svchost.exe

  • Size

    40KB

  • MD5

    8c82da886615880591097012f5c495e1

  • SHA1

    e967cbe5bb33fb4ceb302a079e707e12d6ed013c

  • SHA256

    6e8e9e3190510366c4f76ce47911d9c91e56741c282ffd897bfb9ca32e4aa9c6

  • SHA512

    418c0a2aa43c4001ae913ac225596d6fd6c6e39361d15d602152517805a0e6421ca10d87ad582136e11b290aa3627ddb9032fe00f0041720e8d6105f0b93c54a

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJ:JxqjQ+P04wsmJC

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
  • 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • 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
    PID:3520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • memory/3520-122-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3520-123-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3520-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB