Analysis

  • max time kernel
    15s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 20:48

Errors

Reason
Machine shutdown

General

  • Target

    2023-08-25_de8bc935a263ee8567b6169b67ba3874_xiaoba_JC.exe

  • Size

    700KB

  • MD5

    de8bc935a263ee8567b6169b67ba3874

  • SHA1

    9f138671b9cc434926dfef1c6a20ee335648b6b8

  • SHA256

    bd4634c411ba8bb4a42379c7d5c16784ba6c292982f7ef5fe0a87c76a2dbcc70

  • SHA512

    cab46fbf52b22d1c32a854a55e2c71fee1c8eb5e5627530395a0962f576b9025160c4a67deab30f3427d8f1bcb82dc87579f76a4f36d813e539a5c0dc47b99b3

  • SSDEEP

    12288:rSqIYTIQfKpkPvH70o3osXW8QB2qdyfzUEEDd9QygxDms:SQgwposm8QfWwEEDYygx

Score
6/10

Malware Config

Signatures

  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2023-08-25_de8bc935a263ee8567b6169b67ba3874_xiaoba_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\2023-08-25_de8bc935a263ee8567b6169b67ba3874_xiaoba_JC.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1880
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2216
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2576

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1880-0-0x0000000000400000-0x00000000004C8000-memory.dmp

        Filesize

        800KB

      • memory/2216-1-0x0000000002980000-0x0000000002981000-memory.dmp

        Filesize

        4KB

      • memory/2576-2-0x0000000002820000-0x0000000002821000-memory.dmp

        Filesize

        4KB