Analysis Overview
SHA256
8ba9b12031e5f17c36580506ed7ee0c396175a7f569dafe47b800fbb83624a61
Threat Level: Known bad
The file XWorm.V5.6.zip was found to be: Known bad.
Malicious Activity Summary
Contains code to disable Windows Defender
Xworm family
Stormkitty family
Agenttesla family
Detect Xworm Payload
StormKitty payload
AgentTesla payload
Drops startup file
Checks computer location settings
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-15 16:25
Signatures
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Agenttesla family
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detect Xworm Payload
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StormKitty payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Stormkitty family
Xworm family
Unsigned PE
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Analysis: behavioral1
Detonation Overview
Submitted
2024-07-15 16:25
Reported
2024-07-15 16:26
Platform
win10v2004-20240709-en
Max time kernel
20s
Max time network
21s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\COM Surrogate.lnk | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\COM Surrogate.lnk | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2650514177-1034912467-4025611726-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\COM Surrogate = "C:\\Users\\Public\\COM Surrogate" | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4456 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | C:\Windows\System32\schtasks.exe |
| PID 4456 wrote to memory of 2308 | N/A | C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xwrom\XWorm V5.6.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "COM Surrogate" /tr "C:\Users\Public\COM Surrogate"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 8.8.8.8:53 | 81.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | auto-london.gl.at.ply.gg | udp |
| US | 147.185.221.19:51655 | auto-london.gl.at.ply.gg | tcp |
Files
memory/4456-0-0x0000000000E50000-0x0000000000ED0000-memory.dmp
memory/4456-1-0x00007FFBAEFD3000-0x00007FFBAEFD5000-memory.dmp
memory/4456-2-0x00007FFBAEFD0000-0x00007FFBAFA91000-memory.dmp