Analysis Overview
SHA256
6beed422d1b8dd262962ce2b277dfa8d6f852b4572ee818d77173eea1842be4b
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
Xworm family
Detect Xworm Payload
Executes dropped EXE
Drops startup file
Checks computer location settings
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious use of SendNotifyMessage
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-29 22:46
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
2024-10-29 22:46
Reported
2024-10-29 22:49
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
152s
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
Xworm family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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\XClient.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\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Public\XClient.exe | N/A |
| N/A | N/A | C:\Users\Public\XClient.exe | N/A |
| N/A | N/A | C:\Users\Public\XClient.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Public\\XClient.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | 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:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.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:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Public\XClient.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1744 wrote to memory of 2376 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 1744 wrote to memory of 2376 | 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\Public\XClient.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Users\Public\XClient.exe
C:\Users\Public\XClient.exe
C:\Users\Public\XClient.exe
C:\Users\Public\XClient.exe
C:\Users\Public\XClient.exe
C:\Users\Public\XClient.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 172.67.19.24:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 24.19.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | schools-fits.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 23.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 99.209.201.84.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 102.209.201.84.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 147.185.221.23:14654 | schools-fits.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 26.178.89.13.in-addr.arpa | udp |
| US | 147.185.221.23:14654 | tcp |
Files
memory/1744-0-0x00007FF867DA3000-0x00007FF867DA5000-memory.dmp
memory/1744-1-0x0000000000B60000-0x0000000000B6E000-memory.dmp
C:\Users\Public\XClient.exe
| MD5 | 46af754270dd36d49444438d59d3dc03 |
| SHA1 | 3c7026e503ad99e027c441b386de18ab24417f54 |
| SHA256 | 6beed422d1b8dd262962ce2b277dfa8d6f852b4572ee818d77173eea1842be4b |
| SHA512 | 38d39b06c945cc3690acb463f4fceea44a8bc6d3d5862fdde34ac86e060b06e88969f431029ff83b38f25e3dd616ef64f6e9eca21dbe4d2efdae1577f096a904 |
memory/1744-10-0x00007FF867DA0000-0x00007FF868861000-memory.dmp
memory/1604-11-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-12-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-13-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-23-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-22-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-21-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-20-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-19-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-18-0x0000022391A90000-0x0000022391A91000-memory.dmp
memory/1604-17-0x0000022391A90000-0x0000022391A91000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk
| MD5 | 973ea14666035a4b3e8526ebf4e643c6 |
| SHA1 | 213003b1f5c903e68acfe2d5b1af4ca5e1b5a749 |
| SHA256 | 7af6b94288551e3672926460382d488105ec71aa70a0f3db1a926cb2ccf0825b |
| SHA512 | 23598de7fd0887a754d347cef5d726e4262042926df7395d8d858e4d9927e90a7b44f7e1d331e649c9d705c31c261472f9e418338701a4aba8335402236473dc |
memory/1744-26-0x00007FF867DA0000-0x00007FF868861000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |