Analysis Overview
SHA256
5ae9a8a9c013cbfda9cf9dc110260eb7d1159f046b139f6c81efdeb50829a59e
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
Checks computer location settings
Drops startup file
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 10:25
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 10:25
Reported
2024-05-31 10:30
Platform
win10v2004-20240426-en
Max time kernel
149s
Max time network
269s
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
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-1-5-21-711569230-3659488422-571408806-1000\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\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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\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 SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\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_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\system32\taskmgr.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:\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 |
| 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 |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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'
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.ip.gl.ply.gg | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 52.111.229.48:443 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.193.132.51.in-addr.arpa | udp |
Files
memory/3256-0-0x00007FFC7C303000-0x00007FFC7C305000-memory.dmp
memory/3256-1-0x0000000000100000-0x0000000000128000-memory.dmp
memory/2652-2-0x000001E660EC0000-0x000001E660EE2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_shbb1gvy.rkq.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2652-12-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp
memory/2652-13-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp
memory/2652-14-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp
memory/2652-17-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp
memory/2652-18-0x00007FFC7C300000-0x00007FFC7CDC1000-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 | 77d622bb1a5b250869a3238b9bc1402b |
| SHA1 | d47f4003c2554b9dfc4c16f22460b331886b191b |
| SHA256 | f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb |
| SHA512 | d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | d8cb3e9459807e35f02130fad3f9860d |
| SHA1 | 5af7f32cb8a30e850892b15e9164030a041f4bd6 |
| SHA256 | 2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68 |
| SHA512 | 045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | ba169f4dcbbf147fe78ef0061a95e83b |
| SHA1 | 92a571a6eef49fff666e0f62a3545bcd1cdcda67 |
| SHA256 | 5ef1421e19fde4bc03cd825dd7d6c0e7863f85fd8f0aa4a4d4f8d555dc7606d1 |
| SHA512 | 8d2e5e552210dcda684682538bc964fdd8a8ff5b24cc2cc8af813729f0202191f98eb42d38d2355df17ae620fe401aad6ceaedaed3b112fdacd32485a3a0c07c |
memory/3256-57-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp
memory/4384-58-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-60-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-59-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-65-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-64-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-69-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-70-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-68-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-67-0x0000023386400000-0x0000023386401000-memory.dmp
memory/4384-66-0x0000023386400000-0x0000023386401000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk
| MD5 | 0b5bbc474cda0f53507678962881fb31 |
| SHA1 | 3f73d6c96e674e288a4b03563162dbc1ff53cb7e |
| SHA256 | ed3ff47cd7d85987b8cc53a200032aaa3f0674c7789f371a39285404d664d9cf |
| SHA512 | 7e2c82558c68a3f7974e73b39ce81a2b4fe4d442761b0c8ea0ad0326f600b581397d9a89d21777e874fb0798d4c3c3e0264f5a09488f8a6e3fc5dcf6e16a4faf |
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | 74c570464f7611c8dd21f4500ceffab8 |
| SHA1 | 6b296cac9892a42ee2b037649b43eddd28cd3d74 |
| SHA256 | 5ae9a8a9c013cbfda9cf9dc110260eb7d1159f046b139f6c81efdeb50829a59e |
| SHA512 | 3cef469d0400c983e464ebc8063f8bca88cd912c42a7501613efef07cb9e6ac112a3b39e6f5baee4558e6a2a354b855dd7999dadd12a584895ba340d4a7bb572 |
memory/3256-73-0x00007FFC7C303000-0x00007FFC7C305000-memory.dmp
memory/3256-74-0x00007FFC7C300000-0x00007FFC7CDC1000-memory.dmp