Analysis

  • max time kernel
    105s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2024 07:57

General

  • Target

    e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.exe

  • Size

    1002KB

  • MD5

    486bd87931a283788f4bf30ef8facc60

  • SHA1

    a148c6b7a82de465c558406e97e1c0c57fe90afd

  • SHA256

    e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0

  • SHA512

    1eb290ce40bd1e869a08fc9de2d4e48588edf6c031ec6a5185c795e955facfc5089654b8842a22ff3edbb4ea64fa83667940438c5f873ffa38175b369e2cec5d

  • SSDEEP

    24576:Jt6tP2jLB0EGb7PmcQYZs7zvtGuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuIuuut:QPjlyQZUUuuuuuuuuuuuuuuuuuuuuuum

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.

  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.exe
    "C:\Users\Admin\AppData\Local\Temp\e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.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:4488
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2392
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x2d4 0x470
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2076

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\e35396ef2bad6a66cef6844fbc1a7832640af430ac7e38035e122f4f88b6cba0N.exe

    Filesize

    961KB

    MD5

    2b05fcadd6b89747d2d7e29f031ae40a

    SHA1

    15f4fb6123730da7aee7d6b7c4e2bda17f8777d8

    SHA256

    55a3a1988a2bf5e9267d58dbe5cbb4ae18df708da8df37a6c3317e638f2e1344

    SHA512

    57d64a7e0b4c0c2d8580839facf35c33b2ca74988dae192fa5dd334421ae4fea61f7adf003219f7d07396e086f2815e28568aa2609f4cfda7b5e9af53776cfe0

  • memory/4488-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4488-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4488-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4488-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB