Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 12:29

General

  • Target

    6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.exe

  • Size

    3.3MB

  • MD5

    4e1a411170072d1fcc12905f99daf5f0

  • SHA1

    cb71a84ed0bd4fe1d0fa86aa8e38c3657ddbb30c

  • SHA256

    6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8

  • SHA512

    6de3929710f004a060c1c47a093fc19d16a2e36902c7b93ec88aef47199bc4fd5df3e25b0f3f4516b2295f11852be40c278d54116759e8775c33e0236f7be960

  • SSDEEP

    49152:LLGgDIQcv1m+mw7GOdJjF9Mh/MUinyZsIxmYDV/wtVCRBrXjUtLyImxwEfySvNu:LLitGUyF5w6BrjULmwSvNu

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 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.exe
    "C:\Users\Admin\AppData\Local\Temp\6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.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:3752
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:1608

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\6c691eac9d604b77ed3a5765b7c7edf25041515507e509e5a1d786fada7d98b8N.exe

    Filesize

    3.2MB

    MD5

    6d6bf3146032ea9e9a8894a3f00a642e

    SHA1

    b81db348d76219c212ff7910c0d3274f3061985e

    SHA256

    e3845c9dbf58ba844b42bca09b8a0a4f72633e3f8ba0629875e376f08ea23963

    SHA512

    228416ce2caf754617d35e5d13334a41552f4c8a7f99e3680eb648a77164b42c0b0c339984f85fe41b8b399e28626b8e6ab1f82bc58c07ba36b3238cae37dbe6

  • memory/3752-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3752-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3752-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3752-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB