Analysis

  • max time kernel
    92s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-11-2024 08:06

General

  • Target

    补丁打包Srv.exe

  • Size

    95KB

  • MD5

    91f8c5655e265566963c8110f8a9de7b

  • SHA1

    b96f17997e415aeb3cdf82a68927aeae232febac

  • SHA256

    cb9e615dcaf44187ad82f13ee4b711c38696c33e0fc25aa44309937bd571811f

  • SHA512

    7e9b9612e3b4868afb70c9dd6a94715fd0511043949a89cacead24e2369744525d0a411d92c6cc81f24f7e222e1be37a0ba790dcb9ed7e8ab289e0d4f504f7d1

  • SSDEEP

    1536:yxqjQ+P04wsZLnDrC5MXL5uXZnzEPf+hzRsibKplyXTq8OGRnsPFG+RODTbN:zr8WDrCawnYPmROzoTq0+RO7N

Malware Config

Signatures

  • 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\补丁打包Srv.exe
    "C:\Users\Admin\AppData\Local\Temp\补丁打包Srv.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:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    31f1eeb2e2e566a234290d9486a482d7

    SHA1

    562253d9c8fe897b2b24742c2ebccfed3290df90

    SHA256

    d6307718f5c61de2c0886f4fb7aaab8d5681c31b84967135f526b30ca131e6ec

    SHA512

    b32a0cfa5434743dec148aef6cc2c1c30f3e128cf7ca3fef25bfa6d3b40e4fdf7e22cf2041657219e41fcf3203d7be4132dece415783c0f3ee669dae9a5c7f12

  • memory/4420-85-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4420-86-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4420-88-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB