Analysis Overview
SHA256
84ae83a2895b3ba2fafd51b19017bbcd917c94ed0422129d83aabd4382cf3749
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm family
Xworm
StormKitty
StormKitty payload
Detect Xworm Payload
Command and Scripting Interpreter: PowerShell
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-05-16 18:36
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
2024-05-16 18:36
Reported
2024-05-16 18:38
Platform
win11-20240426-en
Max time kernel
86s
Max time network
97s
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 |
StormKitty
StormKitty 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\Gorillatag client.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\Gorillatag client.lnk | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Gorillatag client.exe | N/A |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gorillatag client = "C:\\Users\\Admin\\Gorillatag client.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| 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\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 |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.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 |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Gorillatag client.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
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\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\Gorillatag client.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Gorillatag client.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Gorillatag client" /tr "C:\Users\Admin\Gorillatag client.exe"
C:\Users\Admin\Gorillatag client.exe
"C:\Users\Admin\Gorillatag client.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 19.ip.gl.ply.gg | udp |
| US | 147.185.221.19:38173 | 19.ip.gl.ply.gg | tcp |
| US | 147.185.221.19:38173 | 19.ip.gl.ply.gg | tcp |
| US | 147.185.221.19:38173 | 19.ip.gl.ply.gg | tcp |
Files
memory/2184-0-0x00007FF9A5E33000-0x00007FF9A5E35000-memory.dmp
memory/2184-1-0x0000000000F10000-0x0000000000F2A000-memory.dmp
memory/3904-2-0x0000025CBFD20000-0x0000025CBFD42000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uzy5lol1.aqd.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3904-11-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/3904-12-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/3904-13-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/3904-14-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/3904-15-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/3904-18-0x00007FF9A5E30000-0x00007FF9A68F2000-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 | 051a74485331f9d9f5014e58ec71566c |
| SHA1 | 4ed0256a84f2e95609a0b4d5c249bca624db8fe4 |
| SHA256 | 3f67e4ba795fd89d33e9a1fe7547e297a82ae50b8f25eedc2b33a27866b28888 |
| SHA512 | 1f15fd8ca727b198495ef826002c1cbcc63e98eecb2e92abff48354ae668e6c3aaf9bd3005664967ae75637bacee7e730ce36142483d08ae6a068d9ae3e0e17d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 4914eb0b2ff51bfa48484b5cc8454218 |
| SHA1 | 6a7c3e36ce53b42497884d4c4a3bda438dd4374b |
| SHA256 | 7e510fc9344ef239ab1ab650dc95bb25fd44e2efba8b8246a3ac17880ee8b69e |
| SHA512 | 83ab35f622f4a5040ca5cb615a30f83bb0741449225f1fd1815b6923e225c28241d0c02d34f83f743349a5e57f84ca1c6f44016797a93d5985be41d11be79500 |
memory/2184-54-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
memory/2184-55-0x000000001D350000-0x000000001D470000-memory.dmp
memory/2184-94-0x00007FF9A5E30000-0x00007FF9A68F2000-memory.dmp
C:\Users\Admin\Gorillatag client.exe
| MD5 | 6d03ff87e0d5aeec5f2929151a167614 |
| SHA1 | aa1efada6ac7bdea21324fd70b65ad8ab82fcd9a |
| SHA256 | 84ae83a2895b3ba2fafd51b19017bbcd917c94ed0422129d83aabd4382cf3749 |
| SHA512 | e64b8ade34adfe9e390cc900699b5b8b75ae59f0754dd79820f1a5689e5266ec38dc95a9fa26dc02208d549142e8c8ec52ba6360306bb3cd37f5890a1ed28f10 |
memory/2184-99-0x0000000002F50000-0x0000000002F5A000-memory.dmp