Resubmissions

07/12/2024, 23:55

241207-3yffes1ldv 10

07/12/2024, 23:44

241207-3raxcswkcj 10

General

  • Target

    node-v22.11.0-x64.msi

  • Size

    28.9MB

  • Sample

    241207-3raxcswkcj

  • MD5

    fa9e1f3064a66913362e9bff7097cef5

  • SHA1

    b34f1f9a9f6242c54486a4bc453a9336840b4425

  • SHA256

    9eea480bd30c98ae11a97cb89a9278235cbbbd03c171ee5e5198bd86b7965b4b

  • SHA512

    ad3e9469326dccac6b49185b5b2814ba700b5d83b4b3ce17f85a9adc5f90bdebf54d79800b253ed5c371ab82d27304841f86ab1a8a3c7ffade8a2d78e55dc99f

  • SSDEEP

    786432:EtShU+9S49htlhk3tKuiU9IsO9IP1/lBMS8k4:EAUK/U9IN961/l

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://github.com/michealjames96/robIox-cdn/raw/refs/heads/main/Onedrive.exe

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://github.com/michealjames96/robIox-cdn/raw/refs/heads/main/Onedrive.exe

Extracted

Family

xworm

C2

127.0.0.1:10025

147.185.221.24:10025

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      node-v22.11.0-x64.msi

    • Size

      28.9MB

    • MD5

      fa9e1f3064a66913362e9bff7097cef5

    • SHA1

      b34f1f9a9f6242c54486a4bc453a9336840b4425

    • SHA256

      9eea480bd30c98ae11a97cb89a9278235cbbbd03c171ee5e5198bd86b7965b4b

    • SHA512

      ad3e9469326dccac6b49185b5b2814ba700b5d83b4b3ce17f85a9adc5f90bdebf54d79800b253ed5c371ab82d27304841f86ab1a8a3c7ffade8a2d78e55dc99f

    • SSDEEP

      786432:EtShU+9S49htlhk3tKuiU9IsO9IP1/lBMS8k4:EAUK/U9IN961/l

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Renames multiple (164) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Blocklisted process makes network request

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks