General
- Target 2026-08-14_930681fc22192996879560fa2a72d9f6_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
- Size 545KB
- Sample260814-eca2tatgnf
- SHA256 3512fc146581283587a567c331aadf23fcfa1406ea4b6fa37bd5cefcfc06c5fd
- MD5 930681fc22192996879560fa2a72d9f6
- SHA1 64e943840baba53427dafb3b935abf37d8b14fd0
- SHA512 4a86b389cb824eee76ba4fa6ddcba57b3c26ad1f2ad1f92e39111520e3d47a9e168adf068c8fbf629350a7f4cb0b376fa257ba77661b58f0524c493f1b4b7eb1
- SSDEEP 12288:jYyDi5rNipDuysMFZzN/E/msumG7sqbhb5sQlzH8xE1NySoGX:EyggUGXbhCQlzH8xE1NySvX
- TLSH T1CFC49D06F79404F9E5A7C174C9A24546EB35789B0B71EAEF0798436A6F337E04E3AB10
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
2026-08-14_930681fc22192996879560fa2a72d9f6_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-14_930681fc22192996879560fa2a72d9f6_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
Install_directory
%LocalAppData%
-
install_file
USB.exe
-
pastebin_url
https://pastebin.com/raw/Fxzr3jeT
Targets
-
- Target 2026-08-14_930681fc22192996879560fa2a72d9f6_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
- Size 545KB
- SHA256 3512fc146581283587a567c331aadf23fcfa1406ea4b6fa37bd5cefcfc06c5fd
- MD5 930681fc22192996879560fa2a72d9f6
- SHA1 64e943840baba53427dafb3b935abf37d8b14fd0
- SHA512 4a86b389cb824eee76ba4fa6ddcba57b3c26ad1f2ad1f92e39111520e3d47a9e168adf068c8fbf629350a7f4cb0b376fa257ba77661b58f0524c493f1b4b7eb1
- SSDEEP 12288:jYyDi5rNipDuysMFZzN/E/msumG7sqbhb5sQlzH8xE1NySoGX:EyggUGXbhCQlzH8xE1NySvX
- TLSH T1CFC49D06F79404F9E5A7C174C9A24546EB35789B0B71EAEF0798436A6F337E04E3AB10
- MD5 SHA1 SHA512 SSDEEP TLSH
Detect Xworm Payload
- Custom signature
Detects Windows executables referencing non-Windows User-Agents
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
Executes dropped EXE
Modifies system executable filetype association
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Change Default File Association
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1