Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/11/2024, 00:12

General

  • Target

    7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe

  • Size

    1.4MB

  • MD5

    e4dbcc32057b4364276880305d0f05a0

  • SHA1

    37535752fd81738acef8364f2488747ec9ad19fa

  • SHA256

    7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972

  • SHA512

    42d69b521dec8bb6ff768e9b281ca1b2e8b6d84d3fb19e2562934924b7223ea9abc612606f155c1e2846cd685d69a4f2fd18e9f8fb9f6042edc525cfa0234294

  • SSDEEP

    24576:w9do5DsVJSQykLZS5AfmYHif7qePXscEhqsUsMlc:+o5YVJSQVU5AfmYC7lscE0sUsM6

Malware Config

Signatures

  • Detect Neshta payload 5 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\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe
    "C:\Users\Admin\AppData\Local\Temp\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.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:3180
    • C:\Users\Admin\AppData\Local\Temp\3582-490\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe"
      2⤵
      • Executes dropped EXE
      PID:212

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\7951d853ed95944ded1b4d8b1890f191292d8024a47a8201fa48592ba88e1972N.exe

    Filesize

    1.4MB

    MD5

    620df0876fb7be820ca65785e077043c

    SHA1

    2deadebbb604bcbee0a5c452fee512ed97b05f98

    SHA256

    6fc3d4ab38a56687c1c709b6fb2e2f2010b54c4a6d705abe632660b737a4180f

    SHA512

    a73b2b76ead71c525e1497e32566a8e557c8aa8767e42f908836ffa01cd63d860550caf2ee8e0d7246dbb563060fa4b2028b1ddbb2338aace06e47807921e5b5

  • memory/3180-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3180-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3180-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3180-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB