Analysis Overview
SHA256
be1f8d3d9d468d99954e1c1c293a3473eb7f7561c0977ab6f4c0814cbdc514fb
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-27 16:41
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
2024-05-27 16:41
Reported
2024-05-27 16:43
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | 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\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Enumerates physical storage devices
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVersion | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSReleaseDate | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Suspicious behavior: EnumeratesProcesses
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\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1600 wrote to memory of 4740 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 1600 wrote to memory of 4740 | 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 "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3856 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | blood-sticker.gl.at.ply.gg | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| GB | 142.250.187.234:443 | tcp | |
| US | 8.8.8.8:53 | 164.189.21.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 147.185.221.19:65461 | blood-sticker.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 94.65.42.20.in-addr.arpa | udp |
Files
memory/1600-0-0x00007FF9872D3000-0x00007FF9872D5000-memory.dmp
memory/1600-1-0x0000000000BE0000-0x0000000000BF0000-memory.dmp
memory/1600-5-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-6-0x00007FF9872D3000-0x00007FF9872D5000-memory.dmp
memory/1600-7-0x000000001CAB0000-0x000000001CABA000-memory.dmp
memory/1600-8-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | c5e5eb3185773f042b0b4552b70b730e |
| SHA1 | d9c0dca9263b38ea187e385425a5c786f75d53b0 |
| SHA256 | be1f8d3d9d468d99954e1c1c293a3473eb7f7561c0977ab6f4c0814cbdc514fb |
| SHA512 | 5660bdf52a4a33a53e8166b32ee4a3a93e4997a32461dc431d7d6369edb8cf97d2aff4413d2926784465cdbc50dbaa1bce58b0bbabc07fdc3c8d19ce2a04eb1b |
memory/64-11-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/64-13-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-14-0x0000000001370000-0x000000000137C000-memory.dmp
memory/1600-15-0x000000001DC00000-0x000000001E128000-memory.dmp
memory/1600-16-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-17-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-18-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |
memory/1600-21-0x00000000013D0000-0x00000000013DA000-memory.dmp
memory/1600-22-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-23-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp
memory/1600-24-0x00007FF9872D0000-0x00007FF987D91000-memory.dmp