Analysis Overview
SHA256
101435d2949c34334d71b9cc9e4d2a61cf9cc7930e499ebb132f44ceada61194
Threat Level: Known bad
The file XClient.zip was found to be: Known bad.
Malicious Activity Summary
Xworm
Detect Xworm Payload
Xworm family
Reads user/profile data of web browsers
Executes dropped EXE
Checks computer location settings
Drops startup file
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 12:42
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 12:42
Reported
2024-05-31 12:44
Platform
win10v2004-20240508-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\AMD Graphics Manager | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\AMD Graphics Manager | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AMD Graphics Manager = "C:\\Users\\Admin\\AppData\\Roaming\\AMD Graphics Manager" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\AMD Graphics Manager | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1572 wrote to memory of 924 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 1572 wrote to memory of 924 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AMD Graphics Manager" /tr "C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager
"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"
C:\Windows\system32\notepad.exe
"C:\Windows\system32\notepad.exe"
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager
"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 5.181.190.20.in-addr.arpa | udp |
| NL | 23.62.61.99:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 99.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| NL | 91.92.241.69:5555 | tcp | |
| US | 8.8.8.8:53 | 69.241.92.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/1572-0-0x00007FF8010B3000-0x00007FF8010B5000-memory.dmp
memory/1572-1-0x00000000000B0000-0x00000000000C6000-memory.dmp
memory/1572-5-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
memory/1572-6-0x000000001C440000-0x000000001C790000-memory.dmp
memory/1572-7-0x00007FF8010B0000-0x00007FF801B71000-memory.dmp
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager
| MD5 | 0f803689398c092ad9ae274d5c7507d6 |
| SHA1 | 693161863fa62cb65e7f3102d55087a9bf816889 |
| SHA256 | 0c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a |
| SHA512 | 1fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 12:42
Reported
2024-05-31 12:43
Platform
win11-20240419-en
Max time kernel
72s
Max time network
70s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Xworm
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\AMD Graphics Manager | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\AMD Graphics Manager = "C:\\Users\\Admin\\AppData\\Roaming\\AMD Graphics Manager" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings\MuiCache | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\AMD Graphics Manager | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3904 wrote to memory of 1392 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 3904 wrote to memory of 1392 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AMD Graphics Manager" /tr "C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"
C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager
"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"
Network
| Country | Destination | Domain | Proto |
| NL | 91.92.241.69:5555 | tcp | |
| US | 8.8.8.8:53 | 69.241.92.91.in-addr.arpa | udp |
Files
memory/3904-0-0x0000000000300000-0x0000000000316000-memory.dmp
memory/3904-1-0x00007FF94CB73000-0x00007FF94CB75000-memory.dmp
memory/3904-5-0x00007FF94CB70000-0x00007FF94D632000-memory.dmp
memory/3904-6-0x000000001C430000-0x000000001C780000-memory.dmp
memory/3904-7-0x00007FF94CB73000-0x00007FF94CB75000-memory.dmp
memory/3904-8-0x00007FF94CB70000-0x00007FF94D632000-memory.dmp
C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
| MD5 | 18951ad4190ed728ba23e932e0c6e0db |
| SHA1 | fa2d16fcbc3defd07cb8f21d8ea4793a21f261f0 |
| SHA256 | 66607b009c345a8e70fc1e58ab8a13bbea0e370c8d75f16d2cce5b876a748915 |
| SHA512 | a67237089efa8615747bdc6cfe0afc977dc54cfd624a8d2e5124a441c204f1ec58ee7cfbbc105ddc2c18d4f254b9e124d71630bcdba0253d41a96890104f2fff |
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager
| MD5 | 0f803689398c092ad9ae274d5c7507d6 |
| SHA1 | 693161863fa62cb65e7f3102d55087a9bf816889 |
| SHA256 | 0c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a |
| SHA512 | 1fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8 |