Analysis Overview
SHA256
9db86ea3a8d0b4aceea7d5b1dd99799253faf620667af16e1d97608ee07ef8d4
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
Looks up external IP address via web service
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-20 20:31
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 20:31
Reported
2024-06-20 20:33
Platform
win7-20240508-en
Max time kernel
149s
Max time network
146s
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 |
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 |
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:\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:\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'
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
Files
memory/2124-0-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp
memory/2124-1-0x00000000010F0000-0x0000000001106000-memory.dmp
memory/2124-2-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp
memory/2828-8-0x0000000002780000-0x0000000002800000-memory.dmp
memory/2124-7-0x000007FEF55D3000-0x000007FEF55D4000-memory.dmp
memory/2828-9-0x000000001B600000-0x000000001B8E2000-memory.dmp
memory/2828-10-0x0000000002830000-0x0000000002838000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | f13fb80c622f4e84b76788bee3d4501f |
| SHA1 | 70c325cc0677839cdb0e22a53ffea358d32793df |
| SHA256 | 8a359b5ad17b67eb5a023d65cf950d7ee0c0e96748db03da681172ee8af13f3d |
| SHA512 | a071b8bc01a0ff5559f19fc9d251fa878ee72694edc2b86718d058c4235b472cf092634cef0b646567b14499838ccc1d7cd9d1ec179049d2325eec991bf86993 |
memory/2552-16-0x000000001B570000-0x000000001B852000-memory.dmp
memory/2552-17-0x0000000001E60000-0x0000000001E68000-memory.dmp
\??\PIPE\srvsvc
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/2124-28-0x000007FEF55D0000-0x000007FEF5FBC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 20:31
Reported
2024-06-20 20:33
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 |
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:\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:\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
| Description | Indicator | Process | Target |
| PID 4536 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4536 wrote to memory of 2028 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4536 wrote to memory of 3256 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4536 wrote to memory of 3256 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4536 wrote to memory of 4964 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 4536 wrote to memory of 4964 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
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'
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
| US | 8.8.8.8:53 | silver-bowl.gl.at.ply.gg | udp |
Files
memory/4536-0-0x00007FF85B423000-0x00007FF85B425000-memory.dmp
memory/4536-1-0x00000000005D0000-0x00000000005E6000-memory.dmp
memory/4536-2-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/2028-3-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/2028-9-0x00000224CBF60000-0x00000224CBF82000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rzfromer.b4n.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2028-14-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/2028-15-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp
memory/2028-18-0x00007FF85B420000-0x00007FF85BEE1000-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 | d28a889fd956d5cb3accfbaf1143eb6f |
| SHA1 | 157ba54b365341f8ff06707d996b3635da8446f7 |
| SHA256 | 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45 |
| SHA512 | 0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | ce4540390cc4841c8973eb5a3e9f4f7d |
| SHA1 | 2293f30a6f4c9538bc5b06606c10a50ab4ecef8e |
| SHA256 | e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105 |
| SHA512 | 2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b |
memory/4536-46-0x00007FF85B420000-0x00007FF85BEE1000-memory.dmp