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