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Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 11:25

General

  • Target

    6aa3739c4d5c3c0da6a4229b92a9c20a.exe

  • Size

    328KB

  • MD5

    6aa3739c4d5c3c0da6a4229b92a9c20a

  • SHA1

    458012b6f6a4b3d4659b7d73bfca93629f5713bd

  • SHA256

    3e98cdd684d5fc3d80921966ac6799b3814e0967c2fe42d9b7768af347ff4e89

  • SHA512

    c0ea13b2dfeb28b6e8fd9085eb3621862777ecd0de92296bbb83056347a81ed69ec5b34661e733d5923c1b1d7b3d34e910f55e204bd4ffcb4e799d2a17f3e138

  • SSDEEP

    6144:TeXA47CURW+eirtnIwE0XzBTjrBLt4smgZhpI64Ui8uUfZzrj+O8Qa+i:TeXv7tRWwnIKBTjx6smglIjaLzX+O8jF

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\6aa3739c4d5c3c0da6a4229b92a9c20a.exe
    "C:\Users\Admin\AppData\Local\Temp\6aa3739c4d5c3c0da6a4229b92a9c20a.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3636-0-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3636-11-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB

  • memory/3636-17-0x0000000000400000-0x00000000004BC000-memory.dmp

    Filesize

    752KB