General
- Target 2026-08-18_81504a5634d90225955c0f7d42a1ea8d_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm
- Size 4.5MB
- Sample260818-3f66essfmh
- SHA256 b133e8725f59e663f8dfee580524440172500ad95b37dbf3d363df5bde61efdb
- MD5 81504a5634d90225955c0f7d42a1ea8d
- SHA1 9935dba78c189cb0d0fbe211f3247ffe49017201
- SHA512 5c0d0e68f24ba6df3bff37ee86cfd59edbfad8438f30eaa5c6e1a669decf06f2d4392a5b715f60e16d672c56c8e2cc489e065b9c1ed0cb758bac03b3f2194e89
- SSDEEP 49152:0EdRba8fD8qinfMSKJXIUQREV1QOTu1U5ai25zYo5UC9RhuCTFKlaxV5dgbTY:G/IJsiC5sop7cTY
- TLSH T18A265C656BF880F5E0A7D134897AC9B2F77678420D71EB5F0291CA1F2F33A904D29726
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
2026-08-18_81504a5634d90225955c0f7d42a1ea8d_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
2026-08-18_81504a5634d90225955c0f7d42a1ea8d_cobalt-strike_glassworm_icedid_njrat_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 2026-08-18_81504a5634d90225955c0f7d42a1ea8d_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm
- Size 4.5MB
- SHA256 b133e8725f59e663f8dfee580524440172500ad95b37dbf3d363df5bde61efdb
- MD5 81504a5634d90225955c0f7d42a1ea8d
- SHA1 9935dba78c189cb0d0fbe211f3247ffe49017201
- SHA512 5c0d0e68f24ba6df3bff37ee86cfd59edbfad8438f30eaa5c6e1a669decf06f2d4392a5b715f60e16d672c56c8e2cc489e065b9c1ed0cb758bac03b3f2194e89
- SSDEEP 49152:0EdRba8fD8qinfMSKJXIUQREV1QOTu1U5ai25zYo5UC9RhuCTFKlaxV5dgbTY:G/IJsiC5sop7cTY
- TLSH T18A265C656BF880F5E0A7D134897AC9B2F77678420D71EB5F0291CA1F2F33A904D29726
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Detect Xworm Payload
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Detects Windows executables referencing non-Windows User-Agents
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
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.
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Executes dropped EXE
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Modifies system executable filetype association
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Adds Run key to start application
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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
1