Resubmissions

11-08-2024 02:35

240811-c3dvaa1djl 10

18-07-2024 20:18

240718-y3j7ysxfna 10

Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2024 20:18

General

  • Target

    KNRLBOOTSTRAPPER.exe

  • Size

    468KB

  • MD5

    25dd17cdd4cb0ea687bacc96f11df77f

  • SHA1

    e35e77bbdea42a36fe4d2f456022ab07ddc1a65f

  • SHA256

    8fb40c856daf038d45a2d5b5f93bfa48987d54493b43ac76c16a7fceb7011f86

  • SHA512

    3144c457786e9764d8ea026d1c312e90e5158507b1133e3e477922c54a721ac29a1014d8103aba592fe2b65e831dbb8d5362968c588824894afe77de04968799

  • SSDEEP

    6144:SWV91Ub+4jU83nN6xMrSTpNx+NgrnpGH2bRr:SiTXx

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    nothingset

  • port

    4444

  • startup_name

    Xeno_manager.exe

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KNRLBOOTSTRAPPER.exe
    "C:\Users\Admin\AppData\Local\Temp\KNRLBOOTSTRAPPER.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "Xeno_manager.exe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA131.tmp" /F
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA131.tmp

    Filesize

    1KB

    MD5

    2b3aa48a0fac3f7785fd4459aed94896

    SHA1

    5be79583c2c86b1bd4b0a349c7d2f6de9c8c9dee

    SHA256

    2922d985008b899643fafd568599e9e5f3556aee099ecb6c298f959e750240b6

    SHA512

    79ce866b4cbeb774e6cc3bce4e3024f27d65ffb896cee6c36ddba7757ef4b9ae3f8fd7ac6c7777be1880b2bc7bc636bc0b37a72fa7c197fd6fc420efc47c18d0

  • memory/736-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/736-1-0x0000000000D20000-0x0000000000D9C000-memory.dmp

    Filesize

    496KB

  • memory/736-2-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

  • memory/736-5-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

  • memory/736-6-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB