Analysis Overview
SHA256
f691af29880a23440b65782116124cbdfe8ea9d58ed103f33f15a89b0952b13a
Threat Level: Known bad
The file Xclient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
Detect Xworm Payload
Xworm family
Command and Scripting Interpreter: PowerShell
Drops startup file
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-30 10:06
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
2024-05-30 10:06
Reported
2024-05-30 10:09
Platform
win11-20240426-en
Max time kernel
146s
Max time network
152s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.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\XClient.lnk | C:\Users\Admin\AppData\Local\Temp\Xclient.exe | N/A |
| 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 |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Xclient.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\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Xclient.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Xclient.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Xclient.exe
"C:\Users\Admin\AppData\Local\Temp\Xclient.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Xclient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Xclient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
Network
| Country | Destination | Domain | Proto |
| 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 |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp | |
| N/A | 127.0.0.1:4099 | tcp |
Files
memory/4284-0-0x00007FFDFEE33000-0x00007FFDFEE35000-memory.dmp
memory/4284-1-0x0000000000170000-0x000000000018A000-memory.dmp
memory/4284-2-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
memory/4916-3-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
memory/4916-4-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
memory/4916-5-0x0000017CDA190000-0x0000017CDA1B2000-memory.dmp
memory/4916-6-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5wvhtumk.30v.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4916-15-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
memory/4916-16-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
memory/4916-19-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 627073ee3ca9676911bee35548eff2b8 |
| SHA1 | 4c4b68c65e2cab9864b51167d710aa29ebdcff2e |
| SHA256 | 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c |
| SHA512 | 3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 1a9fa92a4f2e2ec9e244d43a6a4f8fb9 |
| SHA1 | 9910190edfaccece1dfcc1d92e357772f5dae8f7 |
| SHA256 | 0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888 |
| SHA512 | 5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 4093e5ab3812960039eba1a814c2ffb0 |
| SHA1 | b5e4a98a80be72fccd3cc910e93113d2febef298 |
| SHA256 | c0794e2b7036ce5612446a8b15e0c8387773bbc921f63cf8849f8a1f4ef3878c |
| SHA512 | f3555b45aa1a1dd5214716dc81a05905c4ecd5a3e1276d35e08c65623ab1d14d469b3b576a5d9638264c1222d73889d2cc1ee43fb579d9ca3fcddd9f557cac7b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 80b42fe4c6cf64624e6c31e5d7f2d3b3 |
| SHA1 | 1f93e7dd83b86cb900810b7e3e43797868bf7d93 |
| SHA256 | ee20a5b38a6674366efda276dbbf0b43eb54efd282acfc1033042f6b53a80d4d |
| SHA512 | 83c1c744c15a8b427a1d3af677ec3bfd0353875a60fe886c41570981e17467ebbb59619b960ca8c5c3ab1430946b0633ea200b7e7d84ab6dca88b60c50055573 |
memory/4284-55-0x00007FFDFEE30000-0x00007FFDFF8F2000-memory.dmp