Analysis

  • max time kernel
    94s
  • max time network
    150s
  • 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 23:28

General

  • Target

    6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.exe

  • Size

    294KB

  • MD5

    ecdcb6614b61904da6839f579cca66e2

  • SHA1

    40c8894b1f3708e54a102539c73b7b9494fe644e

  • SHA256

    6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286

  • SHA512

    9c90af67c61c0a01428c4de4d56c08c22410f16e8b97f3a80226dc8c497ff0550df1fd546d59a5ac88d7d6de608d9ff148fd999ecda34a22eabe1847e8e209fb

  • SSDEEP

    6144:k9VZ5IkilJyIHlg1konKE+Hb17X5u0G9YnkNpw:+5uJdHlg1dnmX5u0G2nkNpw

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.exe
    "C:\Users\Admin\AppData\Local\Temp\6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.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:3664
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.exe"
      2⤵
      • Executes dropped EXE
      PID:4484

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\6c69693420678bc31d619ce6ee149f7eb6ce51549500a2fd9c3a57f047d9e286.exe

    Filesize

    254KB

    MD5

    46a8fe739d874e80fa93ff341a9628f8

    SHA1

    b183709a88549facc06c9e2ceb8aa55afa9f0efd

    SHA256

    19abb23a64224ec7a188727538aeb06df0f9c96425cb59fa51d56141e7377643

    SHA512

    f3cc92d22f83acd7e99e3574f97cf31a2bfa48d2dae5503af7d3da7ff35b7ab7be216849a025a681d6317d48f8eddcca79c2d0a7cb3fb6b146b121728d439cd5

  • memory/3664-91-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3664-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3664-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB