Resubmissions

21-01-2025 05:58

250121-gphcrszkgv 10

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250113-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    21-01-2025 05:58

General

  • Target

    XClient.exe

  • Size

    33KB

  • MD5

    179482cceb10d4670100eb9a630bb311

  • SHA1

    99cbb9197c893ab46b6110d2235f91daf1d41513

  • SHA256

    2da37fb7b6f492f2075da78b374057fb94e27a80165d48a5c728ddf5d7819233

  • SHA512

    204006f23a305602fdf304f69eb74233bc0cdb8844779b3266cbdec529629f2a7840a1d18409bc251b0c39811268533334a9d3204baf3ef6804e52947ac2cc46

  • SSDEEP

    384:Tl+PkjD9+E5MFs7iui8L7zKM42pfL3iB7OxVqWqKRApkFXBLTsOZwpGN2v99IkuW:J+CD93W03v42JiB70lVF49j9vOjhWbD

Score
10/10

Malware Config

Extracted

Family

xworm

Version

5.0

C2

46.146.46.81:7000

46.146.46.81:7000:7000

Mutex

fbhq2WHCedXyFd07

Attributes
  • install_file

    svchost.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

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

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4940
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1132
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1132-15-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-6-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-11-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-12-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-4-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-5-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-13-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-10-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-14-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/1132-16-0x0000019EC0250000-0x0000019EC0251000-memory.dmp

      Filesize

      4KB

    • memory/4940-0-0x00007FFCEEB63000-0x00007FFCEEB65000-memory.dmp

      Filesize

      8KB

    • memory/4940-1-0x0000000000530000-0x000000000053E000-memory.dmp

      Filesize

      56KB

    • memory/4940-3-0x00007FFCEEB60000-0x00007FFCEF622000-memory.dmp

      Filesize

      10.8MB

    • memory/4940-2-0x00007FFCEEB60000-0x00007FFCEF622000-memory.dmp

      Filesize

      10.8MB