Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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 08:03

General

  • Target

    b6ecf9bc64cae65b761943cc034ee1e3.exe

  • Size

    330KB

  • MD5

    b6ecf9bc64cae65b761943cc034ee1e3

  • SHA1

    6e5dd06697876a5de57df3a56d34977730747d74

  • SHA256

    35ee4fc1f4e76450999d2299e07a1f435ec78b4b9f578c4bc8dfe09c6e55196d

  • SHA512

    61288a22e9afdfab365b69aec2c61277e8788b0f0f542bb327025dea06e5465389cc799dbda6a9c94ebebeb130f859f17fe28d0e2905c6849540f8d6150f8a98

  • SSDEEP

    6144:cS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUlnjd5EtDGLPKg1aHQVqYJzppaao:2E6y66e3N272PYXZhjd5EGzKgKx0zpp+

Malware Config

Signatures

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6ecf9bc64cae65b761943cc034ee1e3.exe
    "C:\Users\Admin\AppData\Local\Temp\b6ecf9bc64cae65b761943cc034ee1e3.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1628-0-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1628-11-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB

  • memory/1628-17-0x0000000000400000-0x00000000004BD000-memory.dmp

    Filesize

    756KB