Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2024, 04:53

General

  • Target

    f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.exe

  • Size

    5.0MB

  • MD5

    1b7b1869eb382e9d7857f7cb506adfc7

  • SHA1

    71b7944c4c357645e00115f2d3ec28f41efefbda

  • SHA256

    f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f

  • SHA512

    14b214f0b365055ebb947a7d81a97a39c4b60b0a6fc56445fcb9e1e5585f685415a3ca15311b5dbf5c6685287468b3feec4d88f1412dd50eef6fc8b82b321a7e

  • SSDEEP

    98304:nE5Eku7phEx14OiCup9GdEIEiMDy4SIYSCcu2HvgoQVCVGT:LS74dOTEiGYSCclHvgdCVGT

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 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.exe
    "C:\Users\Admin\AppData\Local\Temp\f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.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\f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4856

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\f12f0ba503dedc5d572efd6d44dd0783b139488b923040e4d52627ef42f8617f.exe

          Filesize

          4.9MB

          MD5

          706b80b8134015baaa09358bc30ef93d

          SHA1

          91d221bae644128d37318743dc08289f68da5458

          SHA256

          361439bc1fd72ab8032e71034708c83ae833819ff31ac6f18cf20f970418ed9c

          SHA512

          cbe487b4e28327ea50d8ef404956ec78d5197e55f8baac524ce0d535e8cd54676f128c1a221d04bbe92a67a0ef2f71680a80b8b65156dfc5fe3c2d07da22a771

        • 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