Analysis Overview
SHA256
bdc5e4f0f493af0faa6baf521c534ad15a64ff3fa3dc616ce89c2ef623ebc84c
Threat Level: Known bad
The file Update.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Xworm family
Command and Scripting Interpreter: PowerShell
Executes dropped EXE
Checks computer location settings
Drops startup file
Looks up external IP address via web service
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 05:20
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
2024-06-21 05:20
Reported
2024-06-21 05:23
Platform
win7-20240221-en
Max time kernel
146s
Max time network
150s
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 |
| 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\Update.lnk | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Update.exe | N/A |
| N/A | N/A | C:\ProgramData\Update.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\ProgramData\\Update.exe" | C:\Users\Admin\AppData\Local\Temp\Update.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
Scheduled Task/Job: Scheduled Task
| 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:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Update.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\Update.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Update.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Update.exe
"C:\Users\Admin\AppData\Local\Temp\Update.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\Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Update" /tr "C:\ProgramData\Update.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {21DDB047-B025-4113-A388-53F920F0648F} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
C:\ProgramData\Update.exe
C:\ProgramData\Update.exe
C:\ProgramData\Update.exe
C:\ProgramData\Update.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 | different-albuquerque.gl.at.ply.gg | udp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
Files
memory/880-0-0x000007FEF5D73000-0x000007FEF5D74000-memory.dmp
memory/880-1-0x0000000000130000-0x000000000014A000-memory.dmp
memory/880-2-0x000007FEF5D70000-0x000007FEF675C000-memory.dmp
memory/2628-7-0x0000000002960000-0x00000000029E0000-memory.dmp
memory/2628-8-0x000000001B6C0000-0x000000001B9A2000-memory.dmp
memory/2628-9-0x00000000021D0000-0x00000000021D8000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 7662c50708406506f1949b1561a4e94d |
| SHA1 | 6ca1fcb8ea42e90b1ec96476d3e700faa2f98f04 |
| SHA256 | 358a88c9d3e5ecce135fd936cbc587fdb0a8d578cd2a689a323b20cdebf9d5f0 |
| SHA512 | 57241d95973998a3495bfc22bea2fd22ad23de9fab458ffd828d8891f78eb4c9e266e6ea2057e0380dded9d9a5e62c1413ee3c14c4aa1bd65a403801a9762cc3 |
memory/2436-15-0x000000001B680000-0x000000001B962000-memory.dmp
memory/2436-16-0x00000000027A0000-0x00000000027A8000-memory.dmp
memory/880-31-0x000007FEF5D73000-0x000007FEF5D74000-memory.dmp
memory/880-32-0x000007FEF5D70000-0x000007FEF675C000-memory.dmp
C:\ProgramData\Update.exe
| MD5 | 7d612f510225b0406e373c0e54e1673b |
| SHA1 | fab0e06ee2a9eb6b124b248b28cc490f849acb6b |
| SHA256 | bdc5e4f0f493af0faa6baf521c534ad15a64ff3fa3dc616ce89c2ef623ebc84c |
| SHA512 | 48c7f7a87b2d5c475366effa9eece01b6b9b8bf506a81380971d81c57035513d21637cb8fb5da69c8396b0248b5a5b72d10e85adb3231e0e1c8210fc09ac3b91 |
memory/2132-36-0x0000000000310000-0x000000000032A000-memory.dmp
memory/276-39-0x0000000000100000-0x000000000011A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-21 05:20
Reported
2024-06-21 05:23
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
151s
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
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.lnk | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Update.exe | N/A |
| N/A | N/A | C:\ProgramData\Update.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update = "C:\\ProgramData\\Update.exe" | C:\Users\Admin\AppData\Local\Temp\Update.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
Scheduled Task/Job: Scheduled Task
| 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\Update.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Update.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\Update.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Update.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\Update.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Update.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Update.exe
"C:\Users\Admin\AppData\Local\Temp\Update.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\Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Update.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Update.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Update" /tr "C:\ProgramData\Update.exe"
C:\ProgramData\Update.exe
C:\ProgramData\Update.exe
C:\ProgramData\Update.exe
C:\ProgramData\Update.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.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 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | different-albuquerque.gl.at.ply.gg | udp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 147.185.221.19:9044 | different-albuquerque.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 66.112.168.52.in-addr.arpa | udp |
Files
memory/2952-0-0x00007FFB65F33000-0x00007FFB65F35000-memory.dmp
memory/2952-1-0x0000000000F40000-0x0000000000F5A000-memory.dmp
memory/2952-2-0x00007FFB65F30000-0x00007FFB669F1000-memory.dmp
memory/5072-12-0x00000217D5420000-0x00000217D5442000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_omiwuzg5.asa.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/5072-13-0x00007FFB65F30000-0x00007FFB669F1000-memory.dmp
memory/5072-14-0x00007FFB65F30000-0x00007FFB669F1000-memory.dmp
memory/5072-15-0x00007FFB65F30000-0x00007FFB669F1000-memory.dmp
memory/5072-18-0x00007FFB65F30000-0x00007FFB669F1000-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 | bd5940f08d0be56e65e5f2aaf47c538e |
| SHA1 | d7e31b87866e5e383ab5499da64aba50f03e8443 |
| SHA256 | 2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6 |
| SHA512 | c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | f78784cbba78ae56c996ca2823645ee1 |
| SHA1 | fd149b7959a37af06079b147cf187f72c9b3b57a |
| SHA256 | 24667f855535191c682e6e9e11a4a1d77c4bbadda4b5d501873168fd3a7ddac7 |
| SHA512 | f86636453a346932a4076575cc2e3a9a157f50eed3bf23510be60be6b3ed204cb22b99c840343e6132454a8d78f5b33b53ed71e2c426caf7300ebdd697263afd |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | da5c82b0e070047f7377042d08093ff4 |
| SHA1 | 89d05987cd60828cca516c5c40c18935c35e8bd3 |
| SHA256 | 77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5 |
| SHA512 | 7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b |
memory/2952-57-0x00007FFB65F33000-0x00007FFB65F35000-memory.dmp
memory/2952-58-0x00007FFB65F30000-0x00007FFB669F1000-memory.dmp
C:\ProgramData\Update.exe
| MD5 | 7d612f510225b0406e373c0e54e1673b |
| SHA1 | fab0e06ee2a9eb6b124b248b28cc490f849acb6b |
| SHA256 | bdc5e4f0f493af0faa6baf521c534ad15a64ff3fa3dc616ce89c2ef623ebc84c |
| SHA512 | 48c7f7a87b2d5c475366effa9eece01b6b9b8bf506a81380971d81c57035513d21637cb8fb5da69c8396b0248b5a5b72d10e85adb3231e0e1c8210fc09ac3b91 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Update.exe.log
| MD5 | 2ff39f6c7249774be85fd60a8f9a245e |
| SHA1 | 684ff36b31aedc1e587c8496c02722c6698c1c4e |
| SHA256 | e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced |
| SHA512 | 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1 |