Analysis

  • max time kernel
    534s
  • max time network
    584s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-04-2024 22:17

General

  • Target

    Celex.exe

  • Size

    58KB

  • MD5

    af5ab8ec02735b226012b4ccc32f9538

  • SHA1

    0aafb5e705eab466acd93c3326e7bbfbd42e99fa

  • SHA256

    58d433a331c64698a95d7bba2e28a5e1500a7b565bf322287941d6724906c3da

  • SHA512

    eb84c3c92d87a6f9b6e094fcaf3e3b843fab9616b47cb43e81b37196c028b57da0b4591210a6213742ce37c04913a6ff25b633e4c8f22a364946adda6f747cdc

  • SSDEEP

    1536:Q2Piu1AyI4e+ImmjG9bDbVh7c6D1Oc+7NYE:QE5Z59bDH7vRO77NYE

Score
10/10

Malware Config

Extracted

Family

xworm

C2

come-devon.gl.at.ply.gg:22978

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Celex.exe
    "C:\Users\Admin\AppData\Local\Temp\Celex.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp339.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp339.tmp.bat

    Filesize

    156B

    MD5

    d8c34c1d65d067607fcfca138fa627ad

    SHA1

    c57a4cfef222a4192b751c2896221609ebd00ef0

    SHA256

    d59fd538f02d362d9ce5f024372c07ac7c7bfe87ed453f3c1c23fc4f59b4380d

    SHA512

    618dcf8acf5acd60b5a06a7d71b522650ceed1d7fb7a5fe7dbaf26928168640864990fb46bad3f82ff442033ed0d80354f93fc9b458e3e7d073e09b3f824b057

  • memory/3076-0-0x0000000000690000-0x00000000006A4000-memory.dmp

    Filesize

    80KB

  • memory/3076-1-0x00007FF838CA0000-0x00007FF839761000-memory.dmp

    Filesize

    10.8MB

  • memory/3076-5-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/3076-6-0x00007FF838CA0000-0x00007FF839761000-memory.dmp

    Filesize

    10.8MB

  • memory/3076-7-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/3076-9-0x0000000000F90000-0x0000000000F9C000-memory.dmp

    Filesize

    48KB

  • memory/3076-17-0x00007FF838CA0000-0x00007FF839761000-memory.dmp

    Filesize

    10.8MB