Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 14:45

General

  • Target

    c4216fb87706c01916b920b24372b19b40c40b86f5f96960715f38fa4427aadc.exe

  • Size

    2.1MB

  • MD5

    d2dc54e141208c4fb417995715f32fbe

  • SHA1

    a0e9e48d8173c3be2e5f82645ef74845acc7f9c7

  • SHA256

    c4216fb87706c01916b920b24372b19b40c40b86f5f96960715f38fa4427aadc

  • SHA512

    7ce413c9fbfdf708dc7ba4e6e647cd8929da17aac6948d8f9d6cb5340a2c90e3923631e9a25403b6c1f1cd9e16a4b3a3c7caa6570f4f96170de424676995bddf

  • SSDEEP

    49152:SRbdSh7yx6yXCLYc0IyL2tZLTM5D04JM04:SRyE6yXnIi2aJZ4

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\c4216fb87706c01916b920b24372b19b40c40b86f5f96960715f38fa4427aadc.exe
    "C:\Users\Admin\AppData\Local\Temp\c4216fb87706c01916b920b24372b19b40c40b86f5f96960715f38fa4427aadc.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:4276

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\c4216fb87706c01916b920b24372b19b40c40b86f5f96960715f38fa4427aadc.exe

    Filesize

    2.1MB

    MD5

    98178777f4d7c8a50f089e3b46cda30d

    SHA1

    2943d3db9f0f4d0a9383291bcc2339083f984f62

    SHA256

    a01efb433d9cc3e7db7d20af909c72280b0c672b946f93e3c471d768c0311c1e

    SHA512

    c027840e38392e3631e2d10cc43aa19b1c12967fcc56b28aa275eeefc9f592b6ebd84082a5ff75a1d9ff25478004af78ae5a38e1c7dc38a168d9c6c1523a11f7

  • memory/4276-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4276-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4276-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB