Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 03:27

General

  • Target

    ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.exe

  • Size

    144KB

  • MD5

    257d8238b5202af1ae25365b6e84bbea

  • SHA1

    1fe0116ae8c0cc00978f07ee92c53b344ae47ff7

  • SHA256

    ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac

  • SHA512

    3397332f0f5744050ee669cb0bf1730977909cdd6266e41f64cb1fec6043a5acc47780d8c7b9a38fb51507b3da096409db40d3bf75c8c0f56f9cd74835d0f2b2

  • SSDEEP

    3072:sr85CquaJG4vlP6k4qmKjfHYTox4SJ9sfQvTg:k9RaJFvlP1jgToJ4QvTg

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\ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.exe
    "C:\Users\Admin\AppData\Local\Temp\ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.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:5076
    • C:\Users\Admin\AppData\Local\Temp\3582-490\ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.exe"
      2⤵
      • Executes dropped EXE
      PID:1736

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\ce9d86f4ddb077b244fa9f984dd4337a9363239dd185bbe92b218fda4aa502ac.exe

    Filesize

    103KB

    MD5

    220b057d762a976e30134c4b17ef5162

    SHA1

    d2e3ef1e3f8f08a52983c7ed374a26ef2a7d1dfe

    SHA256

    312b3e78528e810abf8c75e0c3882c3bcd6a5aa555f0d9e371577fc8fe6e3eb0

    SHA512

    6dac568a7522a5c11eacd6beac4987a9b8fd79082a85a432d821021ec25ac955ea9d158054b93c6ee0fee7fee40c85626be1245bd61cf24ac731c9e1043b18a8

  • memory/5076-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5076-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5076-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5076-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB