Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 12:02

General

  • Target

    b75a74323b1d72453d486e0096950183.exe

  • Size

    2.6MB

  • MD5

    b75a74323b1d72453d486e0096950183

  • SHA1

    a5faa799517c69f986a0d5627f8e0d0d9602047f

  • SHA256

    767cf7c577babf8b576010eddd229f04066139b3cf1b8bbe7674aebacf4de34b

  • SHA512

    1bc38ef5598de57bd56be0987684d12a0060a3b5ed3579f47537827f3772fd4f080929fcb5196a1dc756d7b4cc5f5fff4b09a1114e902c318e456d3601759ac2

  • SSDEEP

    49152:fYPYPrRokpyftlj4oJdXN0BMOwLloBrugt:7rRokc7JdXN0B7+s7

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b75a74323b1d72453d486e0096950183.exe
    "C:\Users\Admin\AppData\Local\Temp\b75a74323b1d72453d486e0096950183.exe"
    1⤵
    • Adds Run key to start application
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • NTFS ADS
    • Suspicious use of SetWindowsHookEx
    PID:3440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\905c0769f9a06c95a24ddf945\patcher.exe$

    Filesize

    2.6MB

    MD5

    b75a74323b1d72453d486e0096950183

    SHA1

    a5faa799517c69f986a0d5627f8e0d0d9602047f

    SHA256

    767cf7c577babf8b576010eddd229f04066139b3cf1b8bbe7674aebacf4de34b

    SHA512

    1bc38ef5598de57bd56be0987684d12a0060a3b5ed3579f47537827f3772fd4f080929fcb5196a1dc756d7b4cc5f5fff4b09a1114e902c318e456d3601759ac2

  • memory/3440-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3440-1-0x0000000002160000-0x0000000002163000-memory.dmp

    Filesize

    12KB

  • memory/3440-833-0x0000000002160000-0x0000000002163000-memory.dmp

    Filesize

    12KB