Analysis

  • max time kernel
    143s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 17:52

General

  • Target

    09a7f426f4d0b6ae523211e947d6e559.exe

  • Size

    224KB

  • MD5

    09a7f426f4d0b6ae523211e947d6e559

  • SHA1

    8f53520ba5091b7ae4305c43e95370b09f1d5505

  • SHA256

    53b82ee6f78734434dbfc53a723ffa6a96d4749bc8b3c947c4c7c90455d214e7

  • SHA512

    f59418fbce09d9cf4e4994b8fab88586b3f5d2e1887929ba9140ee3b561c53c2d6f35f8532064109ec865e936c9f234038e2855a86092ceeba22d08b76a99998

  • SSDEEP

    3072:urZwnwS8XSu+m2P+UfVwUMdo/b79pBb4+U7aIw5vyRirwtox0nje/Tb1BI1b2VmZ:u1wGSu+J+Uabdo/btq7aIS/w2b1+qVmZ

Malware Config

Signatures

  • UPX packed file 5 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\09a7f426f4d0b6ae523211e947d6e559.exe
    "C:\Users\Admin\AppData\Local\Temp\09a7f426f4d0b6ae523211e947d6e559.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:3256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3256-0-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3256-9-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3256-11-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3256-15-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB

  • memory/3256-17-0x0000000000400000-0x000000000048B000-memory.dmp

    Filesize

    556KB