Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2023 20:59

General

  • Target

    NEAS.00833a7887af46ddf4fafd477eab7660_JC.exe

  • Size

    337KB

  • MD5

    00833a7887af46ddf4fafd477eab7660

  • SHA1

    60f86335895c12770aeed0464e2d0c9ede67a27c

  • SHA256

    71a92fe06f03c0e50ff5954277350724f5e7b7b452f3115d9018a7164e31caaa

  • SHA512

    2b1e47528da087c60ebd42863426bfb046f60aaa91d57e675fd2d5211d357585ff94bba658e5e4386e0a4ad1239ea34f5f11f084379dba980795ebed646512a3

  • SSDEEP

    6144:mS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrUaNpGWtAHQFU5pKzVCFDTx63EKt7q6:wE6y66e3N272PYXZ+DiwFU5HFZZKt7q6

Malware Config

Signatures

  • UPX packed file 2 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.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.00833a7887af46ddf4fafd477eab7660_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.00833a7887af46ddf4fafd477eab7660_JC.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Modifies system certificate store
    PID:440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/440-0-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/440-6-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB