Analysis Overview
SHA256
8ba9b12031e5f17c36580506ed7ee0c396175a7f569dafe47b800fbb83624a61
Threat Level: Known bad
The file XWorm V5.6.zip was found to be: Known bad.
Malicious Activity Summary
StormKitty payload
Contains code to disable Windows Defender
Detect Xworm Payload
Xworm family
Stormkitty family
Agenttesla family
AgentTesla payload
Executes dropped EXE
Drops startup file
Looks up external IP address via web service
Adds Run key to start application
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-08-16 19:55
Signatures
AgentTesla payload
| Description | Indicator | Process | Target |
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Agenttesla family
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detect Xworm Payload
| Description | Indicator | Process | Target |
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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
2024-08-16 19:55
Reported
2024-08-16 19:57
Platform
win10v2004-20240802-en
Max time kernel
39s
Max time network
40s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\COM Surrogate.lnk | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\COM Surrogate.lnk | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Public\COM Surrogate | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\COM Surrogate = "C:\\Users\\Public\\COM Surrogate" | C:\Users\Admin\Desktop\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 |
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\Desktop\Xwrom\XWorm V5.6.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\COM Surrogate | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4412 wrote to memory of 624 | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | C:\Windows\System32\schtasks.exe |
| PID 4412 wrote to memory of 624 | N/A | C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,"C:\Users\Admin\AppData\Local\Temp\XWorm V5.6.zip"
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe
"C:\Users\Admin\Desktop\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"
C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe
"C:\Users\Admin\Desktop\Xwrom\XWorm V5.6.exe"
C:\Users\Public\COM Surrogate
"C:\Users\Public\COM Surrogate"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.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/4412-0-0x00007FFD049B3000-0x00007FFD049B5000-memory.dmp
memory/4412-1-0x00000000000C0000-0x0000000000140000-memory.dmp
memory/4412-2-0x00007FFD049B0000-0x00007FFD05471000-memory.dmp
memory/4412-6-0x00007FFD049B3000-0x00007FFD049B5000-memory.dmp
C:\Users\Public\COM Surrogate
| MD5 | bf1ccd2d127e4ac0dc4ad6307cd1b62f |
| SHA1 | fc95eb4ec00d3b745fb97f7f8f140cfbe51c23ac |
| SHA256 | b32c1554a1a62e6d4c30bad330e5146016fe11521671536c669b429b895e5a11 |
| SHA512 | 0b6fcb5596904849c5d1ef7439af2849394a56a5f64d337b85cfe2158c8aff2c2a6db5a03c5464520537ec5a203f4c784db4e47d48dc16efdfe064a0e831a3ce |
memory/4412-10-0x00007FFD049B0000-0x00007FFD05471000-memory.dmp