Analysis Overview
SHA256
27d5680c0556df3bce82816a5ca08eba97539e53e925daddb618ea4ab9bcdb06
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Drops startup file
Checks computer location settings
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 19:23
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
2024-06-20 19:23
Reported
2024-06-20 19:26
Platform
win7-20240611-en
Max time kernel
120s
Max time network
153s
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 created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.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\svchost.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 |
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 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\svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.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 | engineering-thoroughly.gl.at.ply.gg | udp |
| US | 147.185.221.20:30205 | engineering-thoroughly.gl.at.ply.gg | tcp |
| US | 147.185.221.20:30205 | engineering-thoroughly.gl.at.ply.gg | tcp |
Files
memory/1876-0-0x000007FEF5523000-0x000007FEF5524000-memory.dmp
memory/1876-1-0x0000000001090000-0x00000000010A4000-memory.dmp
memory/1876-2-0x000007FEF5520000-0x000007FEF5F0C000-memory.dmp
memory/2588-7-0x000000001B4F0000-0x000000001B7D2000-memory.dmp
memory/2588-8-0x0000000002A70000-0x0000000002A78000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 249d485190074ec7ae92501464646cf1 |
| SHA1 | fe81055159e20857f33f43663f6b821deec57e00 |
| SHA256 | 2238184b0f1ffd5957028cc7b63c4ea93ace39f9711833bbc467718f58a831e4 |
| SHA512 | 8077067374277807434dbbb421ec3f70d4b01eb504c359c216584954e582c54eda16c2fee68435a3d63ec60b936ddc98f9f4a68689ce42d9c14f41243e0ad9cc |
memory/2668-14-0x000000001B650000-0x000000001B932000-memory.dmp
memory/2668-15-0x0000000002860000-0x0000000002868000-memory.dmp
memory/1876-30-0x0000000000DB0000-0x0000000000DBC000-memory.dmp
memory/1876-31-0x000007FEF5523000-0x000007FEF5524000-memory.dmp
memory/1876-32-0x000007FEF5520000-0x000007FEF5F0C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 19:23
Reported
2024-06-20 19:26
Platform
win10v2004-20240508-en
Max time kernel
51s
Max time network
55s
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 |
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\svchost.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\svchost.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 |
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 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\svchost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
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 | ip-api.com | udp |
| US | 8.8.8.8:53 | london-components.gl.at.ply.gg | udp |
Files
memory/1580-0-0x00007FF8E44D3000-0x00007FF8E44D5000-memory.dmp
memory/1580-1-0x0000000000C10000-0x0000000000C24000-memory.dmp
memory/1580-2-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp
memory/1636-3-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp
memory/1636-4-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp
memory/1636-11-0x000002807FBB0000-0x000002807FBD2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jpgybfnl.xkw.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1636-15-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp
memory/1636-18-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | d85ba6ff808d9e5444a4b369f5bc2730 |
| SHA1 | 31aa9d96590fff6981b315e0b391b575e4c0804a |
| SHA256 | 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f |
| SHA512 | 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 6d3e9c29fe44e90aae6ed30ccf799ca8 |
| SHA1 | c7974ef72264bbdf13a2793ccf1aed11bc565dce |
| SHA256 | 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d |
| SHA512 | 60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 0517d7daa86e87ab93c37adcb931f498 |
| SHA1 | 6b243308a84f033c4943c7f63c0f824d8db31a13 |
| SHA256 | 3a962e5df85eedfa6b55bc984b49cf87f3ee67b81b849121f05defb6cafcad28 |
| SHA512 | a573701c9048be1cc7562d76ad5c5ec3be0928d476bcd2deb18e7585391d5d239dea81b528279f2d97c9dff6c08e1c10251b8e7ac162e6b57e602d2d9818593b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 51cf8df21f531e31f7740b4ec487a48a |
| SHA1 | 40c6a73b22d71625a62df109aefc92a5f9b9d13e |
| SHA256 | 263d9b98a897d1d66da4832af640c4bf5ab0ae91125ba12243453dfe714f3d0d |
| SHA512 | 57a85461f6ea96b26a8b53d3a9cca18543e4ddbe996e8f412fc4cf7cf6e9ffe558c96da7b322a42f18bef62020e65aee119bed6102f75e2f605df09b02ec6368 |
memory/1580-57-0x00007FF8E44D0000-0x00007FF8E4F91000-memory.dmp