Analysis Overview
SHA256
d3f6f02154e3e49f3e2ed67564ee90fc9c443732287290036fc38f978ad08859
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Xworm
Xworm family
Detect Xworm Payload
Loads dropped DLL
Drops startup file
Executes dropped EXE
Checks computer location settings
Looks up external IP address via web service
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 22:07
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
2024-04-06 22:07
Reported
2024-04-06 22:09
Platform
win7-20231129-en
Max time kernel
157s
Max time network
159s
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 |
| N/A | N/A | N/A | N/A |
Xworm
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" | 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
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:\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:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\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
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\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {D082EC94-CCDA-426F-9F8F-8E07BFC5C41A} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.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 | cell-modification.gl.at.ply.gg | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
Files
memory/2004-0-0x0000000000A80000-0x0000000000A9A000-memory.dmp
memory/2004-1-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2004-2-0x000000001B550000-0x000000001B5D0000-memory.dmp
memory/2004-7-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2004-8-0x000000001B550000-0x000000001B5D0000-memory.dmp
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | 4de5ce7dd35af1a3c2cfd2442a169969 |
| SHA1 | 556f961c2e7c46c13b858b134d595e27d6be1a76 |
| SHA256 | d3f6f02154e3e49f3e2ed67564ee90fc9c443732287290036fc38f978ad08859 |
| SHA512 | 0e314666943f515d833f29c8aef3a1d397caab661939d32df47776b35d044309e07917f19981bbb3ee09263a6ba4a8e149e83bdd3b744942adfdd36a8b9401a1 |
memory/1992-12-0x0000000000FB0000-0x0000000000FCA000-memory.dmp
memory/1992-13-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/1992-14-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2004-16-0x0000000001FB0000-0x0000000001FBC000-memory.dmp
memory/2580-18-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
memory/2580-19-0x000007FEF5160000-0x000007FEF5B4C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 22:07
Reported
2024-04-06 22:09
Platform
win10v2004-20240319-en
Max time kernel
150s
Max time network
156s
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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | 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-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" | 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
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:\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:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\XClient.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\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 392 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
| PID 392 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\XClient.exe | C:\Windows\System32\schtasks.exe |
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\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1940 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.192.122.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| 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 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cell-modification.gl.at.ply.gg | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 19.221.185.147.in-addr.arpa | udp |
| NL | 142.251.39.110:443 | tcp | |
| NL | 142.250.179.138:443 | tcp | |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| DE | 142.250.185.202:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 202.185.250.142.in-addr.arpa | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 208.143.182.52.in-addr.arpa | udp |
| US | 147.185.221.19:21162 | cell-modification.gl.at.ply.gg | tcp |
Files
memory/392-0-0x0000000000A80000-0x0000000000A9A000-memory.dmp
memory/392-1-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp
memory/392-2-0x00000000013F0000-0x0000000001400000-memory.dmp
memory/392-7-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp
memory/392-8-0x00000000013F0000-0x0000000001400000-memory.dmp
C:\Users\Admin\AppData\Roaming\XClient.exe
| MD5 | 4de5ce7dd35af1a3c2cfd2442a169969 |
| SHA1 | 556f961c2e7c46c13b858b134d595e27d6be1a76 |
| SHA256 | d3f6f02154e3e49f3e2ed67564ee90fc9c443732287290036fc38f978ad08859 |
| SHA512 | 0e314666943f515d833f29c8aef3a1d397caab661939d32df47776b35d044309e07917f19981bbb3ee09263a6ba4a8e149e83bdd3b744942adfdd36a8b9401a1 |
memory/3016-11-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp
memory/3016-13-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp
memory/392-14-0x000000001C2A0000-0x000000001C2DA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp6165.tmp
| MD5 | 1b942faa8e8b1008a8c3c1004ba57349 |
| SHA1 | cd99977f6c1819b12b33240b784ca816dfe2cb91 |
| SHA256 | 555ccb7ecd9ae52a75135fdd81ab443a49d5785b0621ed6468d28c4234e46ccc |
| SHA512 | 5aee3d59478d41ddd5885c99b394c9c4983064e2b3528db1a3f7fc289662bced4f57d072517bbe7573c6d1789435e987ef1aa9cc91f372bcfd30bc016675fa43 |
memory/392-20-0x0000000001360000-0x000000000136C000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |
memory/2940-23-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp
memory/2940-24-0x00007FF9BCA80000-0x00007FF9BD541000-memory.dmp