Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 22:28

General

  • Target

    china.exe

  • Size

    34KB

  • MD5

    61ffe280e65651237b433ca13be44753

  • SHA1

    db6f9ecf0224254425cfc89b8c50c7672f92d70e

  • SHA256

    22c94e6a30f18896211c0a3d41722392c059b788f52822b71231b6a951054a0a

  • SHA512

    0047d9cb2db3d37b45d7870033ec330f4f01e69da4f2392a5aa887acf61bf22bd7621570289eea24fd24425b1e7dde6d1a1c893d4477267783b40f8844860767

  • SSDEEP

    768:DOMm6sgb2F9hqVRlsQkjm6ZaF9Fk9kpccO/hs/fx5:DMP/mbUxojFk9kpccO/O3j

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

address-northwest.gl.at.ply.gg:8888

Mutex

Hi99saipGmhYmM2G

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    runtime.exe

aes.plain

Signatures

  • Detect Xworm Payload 4 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\china.exe
    "C:\Users\Admin\AppData\Local\Temp\china.exe"
    1⤵
    • Drops startup file
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "runtime" /tr "C:\Users\Admin\runtime.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2300
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {4D56D210-D046-440D-AA04-1E659BFB2B2E} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\runtime.exe
      C:\Users\Admin\runtime.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Users\Admin\runtime.exe
      C:\Users\Admin\runtime.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\runtime.exe

    Filesize

    34KB

    MD5

    61ffe280e65651237b433ca13be44753

    SHA1

    db6f9ecf0224254425cfc89b8c50c7672f92d70e

    SHA256

    22c94e6a30f18896211c0a3d41722392c059b788f52822b71231b6a951054a0a

    SHA512

    0047d9cb2db3d37b45d7870033ec330f4f01e69da4f2392a5aa887acf61bf22bd7621570289eea24fd24425b1e7dde6d1a1c893d4477267783b40f8844860767

  • memory/684-15-0x00000000000B0000-0x00000000000BE000-memory.dmp

    Filesize

    56KB

  • memory/844-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

    Filesize

    4KB

  • memory/844-1-0x00000000001A0000-0x00000000001AE000-memory.dmp

    Filesize

    56KB

  • memory/844-6-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

    Filesize

    9.9MB

  • memory/844-7-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

    Filesize

    4KB

  • memory/844-8-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

    Filesize

    9.9MB

  • memory/2808-12-0x0000000000E90000-0x0000000000E9E000-memory.dmp

    Filesize

    56KB