Analysis

  • max time kernel
    90s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 03:32

General

  • Target

    d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.exe

  • Size

    1.4MB

  • MD5

    c10fdee7510e09d668471b4ad1366889

  • SHA1

    bf80bd31e539a5b7137f8fa536bb15350c2ddd0a

  • SHA256

    d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94

  • SHA512

    1adf292b74623d650059a54692e70295d288371f776cc161c8a0e128b584004503fe51f9e8b5b303410d0992b0bc314a865ee3ac8b5368f2996dba67702d6972

  • SSDEEP

    24576:/AyWuSwIbFLOmDk0jy3sydnErPSCTTk4W29/DS+BTZFnfEuSlWAT7ijF29lo/Qsy:/WuSwIbFLOAkGy3zdnErPSCTomFDS+BS

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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.exe
    "C:\Users\Admin\AppData\Local\Temp\d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.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:3580
    • C:\Users\Admin\AppData\Local\Temp\3582-490\d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.exe"
      2⤵
      • Executes dropped EXE
      PID:1612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\d74a8e9fa48fc698776ec7b91c8943d1777157e46d28c3cecef22ffd684d0e94.exe

    Filesize

    1.4MB

    MD5

    3c54447cf1177475e9f485256bee02bd

    SHA1

    a0e7bd886f43830949ccd28e60eb3fb7868e6847

    SHA256

    6c935a8ba8a71318d3a6b62758a934dd5c1c1f0f51d0d2ca5896ac7d83aaaf74

    SHA512

    fdf8210914a9d0e3ab2ef31faa75eace5ed43df2083405e56beec72f28203d8ad76d6cf1863371009bbc3e3d81fde122acc20e31cec83c616e22d5537fd8cdb2

  • memory/3580-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3580-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3580-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB