Analysis
- max time kernel
149s - max time network
156s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
11/05/2026, 11:35
General
- Target 2026-05-11_c4c14335c103cdcf589bde790e716295_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe
- Size 635KB
- Sample260511-nqa4eaby7l
- SHA256 d8598b9fc0b06b606bd1aeac06c417320b9cd9c23f327f2fff550c63b75713ba
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\2026-05-11_c4c14335c103cdcf589bde790e716295_cobalt-strike_glassworm_icedid_njrat_ryuk_satacom_stealc_vidar_xworm.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-11_c4c14335c103cdcf589bde790e716295_cobalt-strike_glassworm_icedid_njrat_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/2804-15-0x00000000003B0000-0x00000000003C6000-memory.dmp
memory/2804-20-0x000000001ACF0000-0x000000001ACFC000-memory.dmp
memory/2804-21-0x000000001ADD0000-0x000000001ADE2000-memory.dmp