Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-02-2023 08:24

General

  • Target

    file.exe

  • Size

    348KB

  • MD5

    d14a89e4a2604df158396b55e4af9c20

  • SHA1

    f06e0c41bdda1010767e23279fc493f3d6c748ea

  • SHA256

    c75e381fd3f06dfa11fb2c1eaccb9aa26a1b4372f68bb325b3dfa7dc006ab6e2

  • SHA512

    5174b1cb59f0ecf1b74915031ab4cb77a498d985231e5b62d4256fcb998948a0095e3e48b3df7c8fc01d8b45de0f573611816b3f88724472714946f714cedc04

  • SSDEEP

    3072:QS0RJDZOg8St0MfmVnUj7TyW9PhKSbC9P3rUiFoe9nf6N3pUUV:FUtOA0nVnw7T95WZwgo0nfW3

Malware Config

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • Downloads MZ/PE file
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:448

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/448-132-0x000000000080D000-0x0000000000823000-memory.dmp

    Filesize

    88KB

  • memory/448-133-0x00000000007C0000-0x00000000007D5000-memory.dmp

    Filesize

    84KB

  • memory/448-134-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/448-135-0x000000000080D000-0x0000000000823000-memory.dmp

    Filesize

    88KB

  • memory/448-136-0x0000000000400000-0x0000000000628000-memory.dmp

    Filesize

    2.2MB

  • memory/448-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB