General
- Target example_protected.exe
- Size 1.8MB
- Sample260304-jef33af12x
- SHA256 4fb151010a77003ee52af0b25a3c609717c143294497752a8c59093e53bd68e8
- MD5 d382a3e83b03ccb343251eab7e8974d5
- SHA1 649d639fc918d2f44360d27358ab7c5c8adf0496
- SHA512 2a40dca32e1744346aa81b31ad1b9de4d37b3d9230138b6de18411c3f1eef0618793f1ffc6aa8e93b2a47db2b01e7149cd2dc2449a300989fb45df0101e3663b
- SSDEEP 49152:r6Do+T4Avru3Kqw6ewZ6K7cy73C3La2UYSil:rgNdC67ySLa/YSi
- TLSH T17D85339E24693AD4CE38FBFE386B48466C42D451372692F5882F4D8C6507BCF1BE4B91
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
example_protected.exe
Resource
win10v2004-20260130-en
Malware Config
Extracted
-
xworm
-
3.1
-
84.181.175.173:4444
-
Install_directory
%AppData%
-
install_file
USB.exe
Targets
-
- Target example_protected.exe
- Size 1.8MB
- SHA256 4fb151010a77003ee52af0b25a3c609717c143294497752a8c59093e53bd68e8
- MD5 d382a3e83b03ccb343251eab7e8974d5
- SHA1 649d639fc918d2f44360d27358ab7c5c8adf0496
- SHA512 2a40dca32e1744346aa81b31ad1b9de4d37b3d9230138b6de18411c3f1eef0618793f1ffc6aa8e93b2a47db2b01e7149cd2dc2449a300989fb45df0101e3663b
- SSDEEP 49152:r6Do+T4Avru3Kqw6ewZ6K7cy73C3La2UYSil:rgNdC67ySLa/YSi
- TLSH T17D85339E24693AD4CE38FBFE386B48466C42D451372692F5882F4D8C6507BCF1BE4B91
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Xworm family
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Manipulates Digital Signatures
Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1Virtualization/Sandbox Evasion
1