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Analysis

  • max time kernel
    102s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/02/2025, 16:54

General

  • Target

    cf623024b267cba9111eb45efbf539e05e1e88d748dc8b2705f50ff1aaedad0c.exe

  • Size

    282KB

  • MD5

    fe26e8691767b0e20f2fe7b8132151a9

  • SHA1

    d61cf7f292b351565d7fdd5014a1ab3b3329c9c6

  • SHA256

    cf623024b267cba9111eb45efbf539e05e1e88d748dc8b2705f50ff1aaedad0c

  • SHA512

    39b884ad5a99493925976ec302d94261284acec61357fddbead4560eed07f0dc2926c1b630b48151cdde1cb21bf41891ea73774d37e2c2a57fac12c88d94d360

  • SSDEEP

    3072:sr85CWwX/SNr06Vt0+GOzB44RWShOv81KDYMy8aS+vQpimdNuj8fFt:k9WwX4xz+kOv81KDYMy8aYNuIv

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.

  • 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf623024b267cba9111eb45efbf539e05e1e88d748dc8b2705f50ff1aaedad0c.exe
    "C:\Users\Admin\AppData\Local\Temp\cf623024b267cba9111eb45efbf539e05e1e88d748dc8b2705f50ff1aaedad0c.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
    PID:2228

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\cf623024b267cba9111eb45efbf539e05e1e88d748dc8b2705f50ff1aaedad0c.exe

    Filesize

    242KB

    MD5

    3302326193d05d5e03b4edba8341de5b

    SHA1

    1732f69d12fa36e946a8248cffc6653f5b6df488

    SHA256

    2c9cb768dfee2c121699ee51215b20eb9db1c9a63b666ddc6b80f81c4c46837b

    SHA512

    bdde79e4d56798fb22053ce0ee2250f1ef8423ddea4efa763a7ac637f4b6cd43db7113cf30f77c726a815a1982f8ff15cc97e15460c267aea36076b6e5bea9fd

  • memory/2228-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2228-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2228-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB