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Analysis

  • max time kernel
    9s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7-20240903-de
  • resource tags

    arch:x64arch:x86image:win7-20240903-delocale:de-deos:windows7-x64systemwindows
  • submitted
    09/03/2025, 09:08

Errors

Reason
Machine shutdown

General

  • Target

    FixerFixed.bat.exe

  • Size

    40KB

  • MD5

    053700f8e61a6f324a7cd60cfd246d6e

  • SHA1

    10ca9f2737eccec28f80047e891f9f4c807b875a

  • SHA256

    5eb280ef2fb0b0881ee91fda2cf14ac6801000d70d1efee274880116e4a44dae

  • SHA512

    ecd19209f1da6fcb3c5d9faf0970a2feb4cd44a5fb54b77db72f4e9495f5b01dcc7109e96d71a9a089d2c5c738d72419575192ce563e0811f16184187806e653

  • SSDEEP

    768:JuhfQ58h6OcaTWAvrSH7tF5Pa9q8OwhK3/mXP:iQ58Q+iAv6xF49q8OwM+XP

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

23.84.85.170:1738

Mutex

joXdacpUa2WzBJrQ

Attributes
  • Install_directory

    %Temp%

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FixerFixed.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\FixerFixed.bat.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2896
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2876
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:272

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/272-5-0x0000000002AC0000-0x0000000002AC1000-memory.dmp

        Filesize

        4KB

      • memory/2876-4-0x0000000002EA0000-0x0000000002EA1000-memory.dmp

        Filesize

        4KB

      • memory/2896-0-0x000007FEF60F3000-0x000007FEF60F4000-memory.dmp

        Filesize

        4KB

      • memory/2896-1-0x0000000001220000-0x0000000001230000-memory.dmp

        Filesize

        64KB

      • memory/2896-2-0x000007FEF60F0000-0x000007FEF6ADC000-memory.dmp

        Filesize

        9.9MB

      • memory/2896-3-0x000007FEF60F0000-0x000007FEF6ADC000-memory.dmp

        Filesize

        9.9MB