Analysis

  • max time kernel
    95s
  • max time network
    137s
  • 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 19:47

General

  • Target

    a61d8c9b554952386089c03c6a2ef183eaeeb11e5ab690e0166d22a910367810.exe

  • Size

    259KB

  • MD5

    0da8b24ed393592652d4e3fa6b4a76c5

  • SHA1

    682ff60d70c71bf546056bd5c6597af7c0614514

  • SHA256

    a61d8c9b554952386089c03c6a2ef183eaeeb11e5ab690e0166d22a910367810

  • SHA512

    4cc5c56bb68dede0e1b779307cd8a70ec84457f2753fa26bd070590b61aa7bc089a63ff0173a67bb414d3d694f3e6d80f48cac8c02fce0720aaf419b16eecf22

  • SSDEEP

    6144:k9F7vpZzMsE5fR/7VzeDA3Y6kufUw5FNG7LddB6E0EDeNMW:evviR5q03dL27Ld/dCNN

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.

  • 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\a61d8c9b554952386089c03c6a2ef183eaeeb11e5ab690e0166d22a910367810.exe
    "C:\Users\Admin\AppData\Local\Temp\a61d8c9b554952386089c03c6a2ef183eaeeb11e5ab690e0166d22a910367810.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:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\a61d8c9b554952386089c03c6a2ef183eaeeb11e5ab690e0166d22a910367810.exe

    Filesize

    218KB

    MD5

    84753e687b1420140dc098df0d86106f

    SHA1

    b38ea03bb72054cbeba91f439fd474a327266349

    SHA256

    787aedc01e2e93fa8df736c0feab2a3f6e2ba17a7be4b43fec9c97a92ca4bd49

    SHA512

    4da49bedddf04e708717b0b5602d21d21cdabc6b4b22ef723059de72f773fc001c5b0b3d24ea049119ea16c6881e523ef0c5f9e729446309c79eede2ccb1b628

  • memory/1984-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1984-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1984-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB