Analysis

  • max time kernel
    95s
  • 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
    03-12-2024 21:00

General

  • Target

    029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.exe

  • Size

    108KB

  • MD5

    8a7b052532e2591124fb12b7ca6b7d40

  • SHA1

    3bdb0a04ead94c7a6aae5d0e9226f471816336e4

  • SHA256

    029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7

  • SHA512

    77a1f088f68bf87e6ac494e3be968d54055b706b37a11a5f48c2adcbef72cf9c8ea43cd039c4fa93472dd77c6fe092ba3f072811dc0ce5c3fd3ce76d313050cb

  • SSDEEP

    1536:JxqjQ+P04wsmJCyGQXCK+xtaRltoMk++H2r5t9PHXttTr7qz0IJgYH/wHwYMS+4o:sr85CeF6apnkLW/HX37kgewHTMSLo

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.

  • 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 2 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.exe
    "C:\Users\Admin\AppData\Local\Temp\029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.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:4208
    • C:\Users\Admin\AppData\Local\Temp\3582-490\029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3964

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\029341651d1d9c9319085dd91146dc7602827378cc6b6a1b30a8d926fa2728a7N.exe

    Filesize

    68KB

    MD5

    1eb49c7183edba47934347f631b82fc9

    SHA1

    6000502e2993d8d6e46c3c16784d9e91367abc1a

    SHA256

    d9013c944a1d780562d8f5cda164614703682600df4ec299190ab68f0cca845a

    SHA512

    f30a6610d6346dac4b53ab9b10f34d3303040d42beec0a4e042be6d71b101509481f4eee3ae36d0bb15d0091ec1e155cd63ea89f0ffda9a8b8f2f6b59aed779d

  • memory/3964-11-0x0000000001000000-0x0000000001014000-memory.dmp

    Filesize

    80KB

  • memory/3964-96-0x0000000001000000-0x0000000001014000-memory.dmp

    Filesize

    80KB

  • memory/4208-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4208-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4208-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4208-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB