General
- Target 2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
- Size 406KB
- Sample261027-hslp2abs31
- SHA256 87d9f88d6346ecf87e02f0fd5e1a9e59d740ddae665696ed5f26280b25d6e7ae
- MD5 c82f87a09efe6f773cd0ce646d921fb5
- SHA1 7f9dcb42b24f1c934c5c97ae5b9e2de66312355f
- SHA512 eb7365905759e0fc9e691a29d1e049ba2d1e312f4500160dfa786fbe0355f5d0cb906c94494f325b1e757ac6ea65764498032b78e06ed14c110fc0a67ad3a99a
- SSDEEP 6144:G+GYnA0zeWsDi5eJziQ8kV3f+RysMFZzN/E/msHOtbMriE8sNrwE:qYyDi5eNiQ7uysMFZzN/E/msumGm1d
- TLSH T1A0948C16F75408FDD49BC57489924546DA39BC8B1B72EAEF17C8422A2F23BF08E39750
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
Install_directory
%LocalAppData%
-
install_file
USB.exe
-
pastebin_url
https://pastebin.com/raw/Fxzr3jeT
Targets
-
- Target 2026-10-26_c82f87a09efe6f773cd0ce646d921fb5_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm
- Size 406KB
- SHA256 87d9f88d6346ecf87e02f0fd5e1a9e59d740ddae665696ed5f26280b25d6e7ae
- MD5 c82f87a09efe6f773cd0ce646d921fb5
- SHA1 7f9dcb42b24f1c934c5c97ae5b9e2de66312355f
- SHA512 eb7365905759e0fc9e691a29d1e049ba2d1e312f4500160dfa786fbe0355f5d0cb906c94494f325b1e757ac6ea65764498032b78e06ed14c110fc0a67ad3a99a
- SSDEEP 6144:G+GYnA0zeWsDi5eJziQ8kV3f+RysMFZzN/E/msHOtbMriE8sNrwE:qYyDi5eNiQ7uysMFZzN/E/msumGm1d
- TLSH T1A0948C16F75408FDD49BC57489924546DA39BC8B1B72EAEF17C8422A2F23BF08E39750
- 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 a file named after a Windows system binary
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
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.
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
1