Analysis Overview
SHA256
3c096dc60917ae1e47a754fd578882f1286ee9114ff5c6558b4f84f0be69076f
Threat Level: Known bad
The file XClient.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Contains code to disable Windows Defender
Xworm
Xworm family
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops startup file
Looks up external IP address via web service
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Checks SCSI registry key(s)
Uses Task Scheduler COM API
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious behavior: AddClipboardFormatListener
Delays execution with timeout.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 08:26
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 08:26
Reported
2024-05-31 08:41
Platform
win10v2004-20240226-en
Max time kernel
715s
Max time network
720s
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
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\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\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\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 |
| 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\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\XClient.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\XClient.exe" | C:\Users\Admin\AppData\Local\Temp\XClient.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\XClient.exe" | C:\Users\Admin\AppData\Local\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 |
| N/A | ip-api.com | N/A | 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 |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\System32\schtasks.exe | N/A |
Delays execution with timeout.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\timeout.exe | N/A |
Suspicious behavior: AddClipboardFormatListener
| 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\XClient.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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\Local\XClient.exe"
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\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=4024 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x4c4 0x30c
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\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=4512 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
C:\Users\Admin\AppData\Local\XClient.exe
C:\Users\Admin\AppData\Local\XClient.exe
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /delete /f /tn "XClient"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB06F.tmp.bat""
C:\Windows\system32\timeout.exe
timeout 3
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\Local\XClient.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | scamov-48667.portmap.host | udp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 152.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.143.182.52.in-addr.arpa | udp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| US | 8.8.8.8:53 | chromewebstore.googleapis.com | udp |
| GB | 172.217.16.234:443 | chromewebstore.googleapis.com | tcp |
| US | 8.8.8.8:53 | 234.16.217.172.in-addr.arpa | udp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| US | 8.8.8.8:53 | scamov-48667.portmap.host | udp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
| 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 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | scamov-48667.portmap.host | udp |
| DE | 193.161.193.99:48667 | scamov-48667.portmap.host | tcp |
Files
memory/3964-0-0x00007FF9D5CB3000-0x00007FF9D5CB5000-memory.dmp
memory/3964-1-0x0000000000200000-0x0000000000216000-memory.dmp
memory/3964-2-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp
C:\Users\Admin\AppData\Local\XClient.exe
| MD5 | 3f171ed4261c46329a1bcc62ebb19519 |
| SHA1 | 06768df330b8012ee3d0cb22723408636ba7c17a |
| SHA256 | 3c096dc60917ae1e47a754fd578882f1286ee9114ff5c6558b4f84f0be69076f |
| SHA512 | 81e90ab476967a8ca6b88f8060fe72b56450dae6300adfbcef346dfb4c523e054da05d192209ff53771a8b49ad6a6922151d905a5a6bbc8decfe551ab757a06d |
memory/3964-11-0x00007FF9D5CB3000-0x00007FF9D5CB5000-memory.dmp
memory/3964-12-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp
memory/4820-15-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp
memory/4820-17-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |
memory/3964-21-0x00000000008C0000-0x000000000094E000-memory.dmp
memory/3964-23-0x00000000008A0000-0x00000000008AA000-memory.dmp
memory/3964-25-0x0000000000B20000-0x0000000000B2E000-memory.dmp
memory/3964-28-0x0000000000A90000-0x0000000000A9A000-memory.dmp
memory/3964-29-0x0000000000AA0000-0x0000000000AAA000-memory.dmp
memory/3964-31-0x0000000000AB0000-0x0000000000ABA000-memory.dmp
memory/3964-34-0x0000000000AC0000-0x0000000000ACA000-memory.dmp
memory/3964-36-0x000000001AEC0000-0x000000001AEFA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmp5D42.tmp
| MD5 | 1b942faa8e8b1008a8c3c1004ba57349 |
| SHA1 | cd99977f6c1819b12b33240b784ca816dfe2cb91 |
| SHA256 | 555ccb7ecd9ae52a75135fdd81ab443a49d5785b0621ed6468d28c4234e46ccc |
| SHA512 | 5aee3d59478d41ddd5885c99b394c9c4983064e2b3528db1a3f7fc289662bced4f57d072517bbe7573c6d1789435e987ef1aa9cc91f372bcfd30bc016675fa43 |
memory/3360-42-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-43-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-44-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-48-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-54-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-53-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-52-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-51-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-50-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
memory/3360-49-0x000001F9A86A0000-0x000001F9A86A1000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tmpB06F.tmp.bat
| MD5 | 95aaef2e4a3d9429e656aefa68e76db8 |
| SHA1 | deb1baf3d7a09c2a519527f52b0933440640a408 |
| SHA256 | f205d84bc5b3e77d04c467589b720347f6dd195d8636ff20b3bb7ad41a300f71 |
| SHA512 | d65b1f4c886fb6a67828cab6604596fab0691e0da876f9c7bea98a0c2ae1057db4b31f2f57ba65319211b22e25631b3956c6ae748a4862d0cd7b3b8ef583dcc8 |
memory/3964-61-0x00007FF9D5CB0000-0x00007FF9D6771000-memory.dmp