Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 08:39

General

  • Target

    代理.exe

  • Size

    2.2MB

  • MD5

    b01a11449dd83a10497833b23fb0887d

  • SHA1

    8f5276ee02a5b4b23cb7e9d500dd0df71382e211

  • SHA256

    9b165f6672e74ed5dc437040829bd602afc411ce8c948c41b6d739bf1fbfb09a

  • SHA512

    cf3634a8253c439d54233162db10b9668f080e184e4e1b52aae60db303e89d2ca9fead16097937a871d54685592b1b58e389d481b94f6c261d5caec98223ec81

  • SSDEEP

    24576:ZFbkIsaPiXSVnC7Yp9zkNmZG8RRlnZyz/Iila8CJn0BgtscdTtOOa9pfthIDdsRQ:ZREXSVMDi350aFJqciOa925sRtMZ

Malware Config

Signatures

  • Detect Neshta payload 2 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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\代理.exe
    "C:\Users\Admin\AppData\Local\Temp\代理.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:2816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

    Filesize

    547KB

    MD5

    f2e5cfb8f498639baf77b6a55fb9325e

    SHA1

    dad7f1b0d38a1142c50c629555289daf678cc5a6

    SHA256

    51fadba4debb9030662f2593ede938f175656208aaa30c9b214fa580114613e0

    SHA512

    80689f12aeefaf5452515a4ad3525ce6e85fb4fa4e0f3c0f2e41f8ca37235a4188711871e3b5fd4e67b95b53d99ed447b8603edd35f9c74b12f0ae0f63eb634c

  • memory/2816-69-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2816-71-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB