Analysis Overview
SHA256
2d2e27dc029c468d7a019fcde90fb2ffddd0bf02cafa0357cd86310645bb7473
Threat Level: Known bad
The file GameClient.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Contains code to disable Windows Defender
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Drops startup file
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Modifies data under HKEY_USERS
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-28 12:44
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
2024-05-28 12:44
Reported
2024-05-28 12:46
Platform
win10-20240404-en
Max time kernel
89s
Max time network
99s
Command Line
Signatures
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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 |
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\GameClient.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\GameClient.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" | C:\Users\Admin\AppData\Local\Temp\GameClient.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | pastebin.com | N/A | N/A |
| N/A | pastebin.com | N/A | 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
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" | C:\Windows\system32\LogonUI.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" | C:\Windows\system32\LogonUI.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GameClient.exe | N/A |
| N/A | N/A | C:\Windows\system32\LogonUI.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\GameClient.exe
"C:\Users\Admin\AppData\Local\Temp\GameClient.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\GameClient.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'GameClient.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'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Windows\SYSTEM32\shutdown.exe
shutdown.exe /f /s /t 0
C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0 /state0:0xa3af1055 /state1:0x41c64e6d
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 | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pastebin.com | udp |
| US | 104.20.4.235:443 | pastebin.com | tcp |
| US | 8.8.8.8:53 | 235.4.20.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | position-ft.gl.at.ply.gg | udp |
| US | 147.185.221.19:56499 | position-ft.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| US | 147.185.221.19:56499 | position-ft.gl.at.ply.gg | tcp |
| US | 147.185.221.19:56499 | position-ft.gl.at.ply.gg | tcp |
| US | 147.185.221.19:56499 | position-ft.gl.at.ply.gg | tcp |
| US | 147.185.221.19:56499 | position-ft.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.16.208.104.in-addr.arpa | udp |
Files
memory/1744-0-0x00007FFC0C723000-0x00007FFC0C724000-memory.dmp
memory/1744-1-0x0000000000D80000-0x0000000000D9A000-memory.dmp
memory/1744-2-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
memory/240-8-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
memory/240-7-0x000001722DCB0000-0x000001722DCD2000-memory.dmp
memory/240-9-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
memory/240-12-0x0000017246320000-0x0000017246396000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l3dcqgf2.4tq.ps1
| MD5 | c4ca4238a0b923820dcc509a6f75849b |
| SHA1 | 356a192b7913b04c54574d18c28d46e6395428ab |
| SHA256 | 6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b |
| SHA512 | 4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a |
memory/240-13-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
memory/240-51-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 8592ba100a78835a6b94d5949e13dfc1 |
| SHA1 | 63e901200ab9a57c7dd4c078d7f75dcd3b357020 |
| SHA256 | fdd7d9def6f9f0c0f2e60dbc8a2d1999071cd7d3095e9e087bb1cda7a614ac3c |
| SHA512 | 87f98e6cb61b2a2a7d65710c4d33881d89715eb7a06e00d492259f35c3902498baabffc5886be0ec5a14312ad4c262e3fc40cd3a5cb91701af0fb229726b88c3 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 08df239c9ceb790e8de7dbbd1acffa65 |
| SHA1 | 5221be569f8dbb2b215688ef533cfb1f68c087e8 |
| SHA256 | 6e9016e0524054400764f6970498c87de4d2c9cfe56b27ae164b74ab92a7ef5d |
| SHA512 | 194b1d83326b428626fc26074428dd7a2ebadffaf6f81b0529abbef3aa5e5d9ec667e3414d194f81e3c54411206c86efe33e9d7f81257c3b08716e156a67d4b3 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 1fe692efcc22335445803c52a8135dc8 |
| SHA1 | 1cd7e3b4a59a03bee5218fd1093b74f0fede3bbb |
| SHA256 | e4a6a64e6d3d8853e94eee2b7cea8d5c392bb98f451eb75321c40953482fb549 |
| SHA512 | 08a815b594e0341d6efa8cff01e1eabb6709936fef103d2b28b505557a756c8b4b66089cc800bd77d93fc8485ea9ddf037cc46dae24fe898d06f1311494e839f |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | c05cac6553f35bb8d585bcc66785c591 |
| SHA1 | ab0efae1bde4f3326210038844c4f0540e4ad172 |
| SHA256 | 113ab89d2d7140a4e7792cf5bbf86521d072f88a0f69853838c8270b4d91e66d |
| SHA512 | 02cdc392995fd45ce7481865c91e7786e1bd56b3f67f43ab5fac5b2dcfc5206477e546a72fee7c8925ffd8ed12454fd2996f314e48abfec5156c56bc4c08bdd7 |
memory/1744-186-0x00007FFC0C723000-0x00007FFC0C724000-memory.dmp
memory/1744-187-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp
memory/1744-188-0x000000001BA30000-0x000000001BA3E000-memory.dmp
C:\Users\Admin\AppData\Roaming\svchost.exe
| MD5 | 81630e94eabda4e1a57ac4f1952db556 |
| SHA1 | 9d7276205d8cedba924859bbbbef305890baff23 |
| SHA256 | 2d2e27dc029c468d7a019fcde90fb2ffddd0bf02cafa0357cd86310645bb7473 |
| SHA512 | f9dca5f30cc1908d47a806c5b2b3a1c1b8c3c3b75bbdac9811307f83f4ac2fabcb6f2ae7630c9f25e7be5f710c525b63f49fa814c1d498d1d0872b5d9a7d3bec |
memory/1744-193-0x00007FFC0C720000-0x00007FFC0D10C000-memory.dmp