Analysis

  • max time kernel
    93s
  • 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
    30-11-2024 13:18

General

  • Target

    fb20d407e766c859845cfec80af7d70ab0485c8d122d8c5154aaf0cb28591cfe.exe

  • Size

    1.4MB

  • MD5

    bf4b5a9f0c2e0f415e36655baf04bcf1

  • SHA1

    4dba4e6681a7afbafccc0496d55f9ad55a980b8f

  • SHA256

    fb20d407e766c859845cfec80af7d70ab0485c8d122d8c5154aaf0cb28591cfe

  • SHA512

    2c6e0fdf9fa98a207b4140a293ee087d38c7ccf7c201f2e45c6755d209800407e29616304aa3c62ba53102510234adb045c60f2994745a90eb23a97dc97ae3f4

  • SSDEEP

    12288:b+nH66Vf8hJ/zHuyhhtIUoKU0AdVq1zK+jNESnC2F6PdpYhViql9rhE4K6ET:fHuyhbIUoKU0AdE1jNdnCdiUqm

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\fb20d407e766c859845cfec80af7d70ab0485c8d122d8c5154aaf0cb28591cfe.exe
    "C:\Users\Admin\AppData\Local\Temp\fb20d407e766c859845cfec80af7d70ab0485c8d122d8c5154aaf0cb28591cfe.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:3372

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\fb20d407e766c859845cfec80af7d70ab0485c8d122d8c5154aaf0cb28591cfe.exe

    Filesize

    1.4MB

    MD5

    95f5ae39eac48f095fee652a8ebed365

    SHA1

    729ed7c00262d152859ddb05b1b5fd6bc142efd9

    SHA256

    747e11ae086a3be741942a9302ec5d2f133e1c329dfad525feb26143242df4b6

    SHA512

    954bfbee8e108462c91188025f57c0d5806ddd2a7d97c87aab4f991edc015f72af58c2143bcdd4404d9a9cb01ac9c22949fd0b410d14e652ab96ecb47a3f820f

  • memory/3372-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3372-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3372-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB