Analysis

  • max time kernel
    24s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 15:09

General

  • Target

    282bb85eb61468cea09f85240e3e2a3e.exe

  • Size

    236KB

  • MD5

    282bb85eb61468cea09f85240e3e2a3e

  • SHA1

    9c2f951f66f972f2b333b1a2be7842c1bc6dff83

  • SHA256

    52eafc80d0a9afa184dcbe28e0478c184f3e2d7f60e1ae29a9f007b8ce8470ae

  • SHA512

    0c6d34382aa74a7d65a504cc44eab82f824a962bda980e2d24511e755a6c5242fa2b25f852aaf958c376c5634c49aaa79a5f332155020102b212ed574f08a68d

  • SSDEEP

    3072:UlELL7XOCw0xQCdMey44tVkZj+8FzB7C1XWLmjPUXiYR8Pyqs9ncKfP78gIWpxMF:33kOMeaavF17EP6qyqs9cWP7r/ADhSE

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\282bb85eb61468cea09f85240e3e2a3e.exe
    "C:\Users\Admin\AppData\Local\Temp\282bb85eb61468cea09f85240e3e2a3e.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/4464-0-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4464-11-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4464-12-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4464-13-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB

  • memory/4464-18-0x0000000000400000-0x0000000000488000-memory.dmp

    Filesize

    544KB