Analysis

  • max time kernel
    145s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2023, 04:50

General

  • Target
    xuKxxBO9y1gH.exe
  • Size 30KB
  • Sample231121-ff9j8acd33
  • SHA256 575beebf842e93360ca595466fa746178421d969bba68868f0900f14769a1a32
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • 0.tcp.sa.ngrok.io:18384

Mutex
  • exSTHb25eUIigLYq

Attributes
  • install_file

    123.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xuKxxBO9y1gH.exe
    "C:\Users\Admin\AppData\Local\Temp\xuKxxBO9y1gH.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2704
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:2068
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4224

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2704-0-0x00000000007C0000-0x00000000007CE000-memory.dmp

          memory/2704-1-0x00007FFAA4E10000-0x00007FFAA58D1000-memory.dmp

          memory/2704-2-0x000000001B6D0000-0x000000001B6E0000-memory.dmp

          memory/2704-3-0x00007FFAA4E10000-0x00007FFAA58D1000-memory.dmp

          memory/2704-4-0x000000001B6D0000-0x000000001B6E0000-memory.dmp

          memory/4224-5-0x000001EB91A90000-0x000001EB91AA0000-memory.dmp

          memory/4224-21-0x000001EB91B90000-0x000001EB91BA0000-memory.dmp

          memory/4224-37-0x000001EB99F00000-0x000001EB99F01000-memory.dmp

          memory/4224-39-0x000001EB99F30000-0x000001EB99F31000-memory.dmp

          memory/4224-40-0x000001EB99F30000-0x000001EB99F31000-memory.dmp

          memory/4224-41-0x000001EB9A040000-0x000001EB9A041000-memory.dmp