Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
31/08/2026, 01:10
General
- Target 2026-08-30_f0ba2d372444cbdec99493a8bac065cc_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe
- Size 380KB
- Sample260831-bjsnnashjb
- SHA256 f553b73864ca6985f91d307536c10ef216d08891c47873aff83875e43306e172
Malware Config
Extracted
-
xworm
-
XWorm V5.6
-
Install_directory
%LocalAppData%
-
install_file
USB.exe
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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
- Creates a file in the Startup directory 1 TTPs 2 IoCs
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 3 IoCs
- Modifies system executable filetype association 2 TTPs 6 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 connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-30_f0ba2d372444cbdec99493a8bac065cc_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_f0ba2d372444cbdec99493a8bac065cc_cobalt-strike_glassworm_icedid_ryuk_satacom_stealc_vidar_xworm.exe"1⤵
- Modifies system executable filetype association
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\Documents\diagnostics\audiodg.exe"C:\Users\Admin\Documents\diagnostics\audiodg.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\Documents\diagnostics\shost.exe"C:\Users\Admin\Documents\diagnostics\shost.exe"2⤵
- Executes dropped EXE
- Modifies system executable filetype association
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\Documents\diagnostics\audiodg.exe"C:\Users\Admin\Documents\diagnostics\audiodg.exe"3⤵
- Creates a file in the Startup directory
- 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
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
1Replay Monitor
Loading Replay Monitor...
Downloads
audiodg.exe
shost.exe
memory/1088-36-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-42-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-41-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-40-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-39-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-32-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/1088-33-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4928-31-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4928-34-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4928-30-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4928-20-0x00007FFAC4CC0000-0x00007FFAC5664000-memory.dmp
memory/4928-17-0x00000000009B0000-0x00000000009C6000-memory.dmp
memory/4928-13-0x00007FFAC4E4F000-0x00007FFAC4E50000-memory.dmp