Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 04:18

General

  • Target

    d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.exe

  • Size

    3.7MB

  • MD5

    62f608577b0977e5dd062949682da577

  • SHA1

    b15f06c8d7e1237c7b70db92df731265181bd51d

  • SHA256

    d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9

  • SHA512

    0583a3988296e91de52652aef8459a406bbd2e2f2d0108fce5c3d2f06bf2770f012f3be2aabe2c4b004586a4551a51015486bbc8b491f15465c8bb84a8507c8a

  • SSDEEP

    49152:+ATbVIV0PkZrO283RWFEuyZKTCTs5EmTgFWxEATeuQOu2H2y/Bad:RFYRf5EyNP5Ad

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
  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.exe
    "C:\Users\Admin\AppData\Local\Temp\d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.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
    PID:1136
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.exe"
      2⤵
      • Executes dropped EXE
      PID:3716

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\d5097f80f02c71c505bedb9a4e8a23996dc294898e8dfb48eb73662360ba88b9.exe

    Filesize

    3.7MB

    MD5

    a612491f651737fbc1f3d82946fe1b87

    SHA1

    1addddfb5d7a9f894aa6855a645f80d79d9bfbb2

    SHA256

    ebdac9115889135eb8ce602c9ae0eeecaf6ac9e6dcd144b496da4339fa9d90aa

    SHA512

    8777c9a59565cef60ff40c9331d1e6cc4982131c82433d212ddfbfe30777429e7a8edd42c8fb94004ed7cf1c8fd8fb774523b7e9647f86eed8967bc3e9855034

  • memory/1136-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1136-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1136-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB