Analysis Overview
SHA256
94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm family
Xworm
Drops startup file
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 12:40
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 12:40
Reported
2024-05-31 12:42
Platform
win7-20240220-en
Max time kernel
122s
Max time network
123s
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 |
| 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\9.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\9.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\9 | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\9 = "C:\\Users\\Admin\\AppData\\Roaming\\9" | 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\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2728 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 2728 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 2728 wrote to memory of 2980 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 2916 wrote to memory of 2632 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
| PID 2916 wrote to memory of 2632 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
| PID 2916 wrote to memory of 2632 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
| PID 2916 wrote to memory of 1564 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
| PID 2916 wrote to memory of 1564 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
| PID 2916 wrote to memory of 1564 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Roaming\9 |
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 "9" /tr "C:\Users\Admin\AppData\Roaming\9"
C:\Windows\system32\taskeng.exe
taskeng.exe {3EB97015-FDD4-4815-B835-1AD2156F033C} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | length-desert.gl.at.ply.gg | udp |
Files
memory/2728-0-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp
memory/2728-1-0x0000000000950000-0x0000000000966000-memory.dmp
memory/2728-5-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
memory/2728-6-0x000007FEF57F3000-0x000007FEF57F4000-memory.dmp
memory/2728-7-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp
C:\Users\Admin\AppData\Roaming\9
| MD5 | d172c0a4ae3e8cef6a0a910bde62e195 |
| SHA1 | 51139fc633fe81a66c8ed55081f92ec5256bd0bd |
| SHA256 | 94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7 |
| SHA512 | d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467 |
memory/2632-11-0x0000000000170000-0x0000000000186000-memory.dmp
memory/1564-14-0x0000000001110000-0x0000000001126000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 12:40
Reported
2024-05-31 12:42
Platform
win10v2004-20240508-en
Max time kernel
132s
Max time network
101s
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9.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\9 | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9 = "C:\\Users\\Admin\\AppData\\Roaming\\9" | 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\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\9 | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3620 wrote to memory of 776 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 3620 wrote to memory of 776 | 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 "9" /tr "C:\Users\Admin\AppData\Roaming\9"
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
C:\Users\Admin\AppData\Roaming\9
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.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 | 22.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | length-desert.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| 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 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/3620-0-0x00007FFF98773000-0x00007FFF98775000-memory.dmp
memory/3620-1-0x0000000000040000-0x0000000000056000-memory.dmp
memory/3620-5-0x00007FFF98770000-0x00007FFF99231000-memory.dmp
memory/3620-6-0x00007FFF98770000-0x00007FFF99231000-memory.dmp
C:\Users\Admin\AppData\Roaming\9
| MD5 | d172c0a4ae3e8cef6a0a910bde62e195 |
| SHA1 | 51139fc633fe81a66c8ed55081f92ec5256bd0bd |
| SHA256 | 94b65da2b5cc3728547f892a46e9c48c5d54477d10ea8e210304593acd3568e7 |
| SHA512 | d82c930a42fd623aeee51007453d201e96110b546f1fb34080fc6d4c1488d71b3828f5f1833d347993444e4d332aa00fbb7b8922fce676d220375470ad0fa467 |
memory/1116-9-0x00007FFF98770000-0x00007FFF99231000-memory.dmp
memory/1116-11-0x00007FFF98770000-0x00007FFF99231000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\9.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |