Analysis

  • max time kernel
    93s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 17:48

General

  • Target

    1e7fa02eba30196f827bd7ef5e020e204f2ca8c7fd6e81ef46fbfccff4a4b264.exe

  • Size

    40KB

  • MD5

    3f0e13ed8bac0c95865f03fb7b8604da

  • SHA1

    ccbe8b39a41d66d957929b244ea8015d05791a74

  • SHA256

    1e7fa02eba30196f827bd7ef5e020e204f2ca8c7fd6e81ef46fbfccff4a4b264

  • SHA512

    8ded17aa18d2db93100c8dc0297f256ffc5be145fbd1705257e81844d42c0d27caf27e99ae410431c9972715051ccc0e766a486b39841892fbf32f5e3641f328

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJfPl24/:JxqjQ+P04wsmJCyPs4/

Malware Config

Signatures

  • Detect Neshta payload 5 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\1e7fa02eba30196f827bd7ef5e020e204f2ca8c7fd6e81ef46fbfccff4a4b264.exe
    "C:\Users\Admin\AppData\Local\Temp\1e7fa02eba30196f827bd7ef5e020e204f2ca8c7fd6e81ef46fbfccff4a4b264.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:4244

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\1e7fa02eba30196f827bd7ef5e020e204f2ca8c7fd6e81ef46fbfccff4a4b264.exe

    Filesize

    40KB

    MD5

    b4fffa51c7ed0124119401b9cd18a17d

    SHA1

    049d1152668542db5feaad372afab538f521d720

    SHA256

    796beffda13d0d1e2f598732d3a538314e8695fbc27267ec7f859f9199fe4180

    SHA512

    58cf47e746e5251031e7b07d2d9ab46e1f9286a8a3daadcb94a9c0ff41af7126ab577f15c81222aab691f013251ecf4d61927ee6e7d5296908be4f63a827b924

  • memory/4244-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4244-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4244-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB