Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 16:09

General

  • Target

    45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.exe

  • Size

    2.2MB

  • MD5

    f0e2631ec0c13f43ff1f21d2bd82c040

  • SHA1

    585f9bdc4274d988a73608de8ded7303ee11ae33

  • SHA256

    45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2

  • SHA512

    2874f9faede81c4a0b60ede5e9d400775e8d7436e933361bc7c43466a769eb5a78764aef5c89d031601786aae2efbb17159491c42f1a320d65d95d564b2b6e44

  • SSDEEP

    49152:6xl9emW1uMSXYSgvQqgsHtD1M1px4k37pH61LJOw4c:P5Sb1px4kro19X

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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.exe
    "C:\Users\Admin\AppData\Local\Temp\45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.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:3932
    • C:\Users\Admin\AppData\Local\Temp\3582-490\45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.exe"
      2⤵
      • Executes dropped EXE
      PID:452

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\45cfa0a5cca36ab3138f54b9a55080a6c5fa1e05f12115af7e4c3d16c5256ed2N.exe

    Filesize

    2.2MB

    MD5

    34356892c4e148fa79852de9b4a7e182

    SHA1

    ec94d77c7cae08877b31250a399de51197e669f5

    SHA256

    bf4537aee72fb56f910289194443cfb9964b45c8bc0a62bc0ee7d8ce19da87a7

    SHA512

    b289cdc18a3e51e86bfe064f8d3eced0168ca24be5ecd0a6a0c0d60c485cd3aeaaf305ca41decb9ea8b62f95c83e3a14d2eb2c26379e7b4e1a6d0dc32348f896

  • memory/3932-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3932-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3932-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB