Analysis

  • max time kernel
    31s
  • max time network
    33s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    07/03/2025, 04:15

General

  • Target

    colorbot UD.exe

  • Size

    66KB

  • MD5

    3c29f913ec259219393ed6ed34095f7f

  • SHA1

    a44d686af7756b548373525b3cb921c44d0b67b2

  • SHA256

    e65c82b121ec90f36fc4193e8e7f850312107c441e8a2cfa4e6b844cb6462485

  • SHA512

    3a3e5a676a0541b9d5697c5f6f7b71deadae1e9633ff919cfdf68f9288f4b5dfb91c38a6af0fbbe23aaab5d08e1b6f409bf33134390a54ca023c916f3d5ecf50

  • SSDEEP

    1536:vFVqX0n8XtajJvNDbsPSKoZr66tFOgUu9x6:9Yq8XQBbsT0FO7j

Score
10/10

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • pastebin_url

    https://pastebin.com/raw/kU06s0Rk

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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\colorbot UD.exe
    "C:\Users\Admin\AppData\Local\Temp\colorbot UD.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1092
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1092-0-0x00007FFAEED13000-0x00007FFAEED15000-memory.dmp

    Filesize

    8KB

  • memory/1092-1-0x0000000000640000-0x0000000000656000-memory.dmp

    Filesize

    88KB

  • memory/1092-2-0x00007FFAEED10000-0x00007FFAEF7D2000-memory.dmp

    Filesize

    10.8MB

  • memory/1092-3-0x00007FFAEED10000-0x00007FFAEF7D2000-memory.dmp

    Filesize

    10.8MB

  • memory/2848-4-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-5-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-6-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-16-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-15-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-14-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-13-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-12-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-11-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB

  • memory/2848-10-0x0000026C5EA10000-0x0000026C5EA11000-memory.dmp

    Filesize

    4KB