Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
15/04/2026, 04:29
General
- Target 2026-04-15_cf24e932c5c2e6581ab00d98f76f2d5c_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
- Size 376KB
- Sample260415-e4mvpaex5l
- SHA256 fc7eb1946438843d5b5a382c1d5a1af2e729dcb0e8cda6aaceacb5452c979e96
Score
10/10
Malware Config
Extracted
Family
-
xworm
Version
-
XWorm V5.6
Attributes
-
Install_directory
%LocalAppData%
-
install_file
USB.exe
-
pastebin_url
https://pastebin.com/raw/Fxzr3jeT
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 3 IoCs
- Detects Windows executables referencing non-Windows User-Agents 3 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- Modifies system executable filetype association 2 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_cf24e932c5c2e6581ab00d98f76f2d5c_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_cf24e932c5c2e6581ab00d98f76f2d5c_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"1⤵
- Modifies system executable filetype association
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\diagnostics\audiodg.exe"C:\Users\Admin\Documents\diagnostics\audiodg.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
Loading Replay Monitor...
Downloads
audiodg.exe
shost.exe
memory/1840-15-0x00000000009C0000-0x00000000009D6000-memory.dmp
memory/1840-20-0x00000000013E0000-0x00000000013EC000-memory.dmp
memory/1840-21-0x000000001BF70000-0x000000001BF82000-memory.dmp