Analysis Overview
SHA256
a5988b3ae8424c1f5fdc69bb76d38782f2bd152fad311246aef971bfb389b8a3
Threat Level: Known bad
The file python-3.11.4-amd64.exe was found to be: Known bad.
Malicious Activity Summary
Detect Xworm Payload
Xworm
Command and Scripting Interpreter: PowerShell
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 13:14
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 13:14
Reported
2024-06-14 13:16
Platform
win10v2004-20240226-en
Max time kernel
29s
Max time network
34s
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 |
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\python-3.11.4-amd64.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation | C:\ProgramData\svhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\svhost.exe | N/A |
| N/A | N/A | C:\ProgramData\python-3.11.4-amd64.exe | N/A |
| N/A | N/A | C:\Windows\Temp\{21D32013-E30B-4E17-AEE8-8FA45810BB5B}\.cr\python-3.11.4-amd64.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
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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\svhost.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\python-3.11.4-amd64.exe
"C:\Users\Admin\AppData\Local\Temp\python-3.11.4-amd64.exe"
C:\ProgramData\svhost.exe
"C:\ProgramData\svhost.exe"
C:\ProgramData\python-3.11.4-amd64.exe
"C:\ProgramData\python-3.11.4-amd64.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
C:\Windows\Temp\{21D32013-E30B-4E17-AEE8-8FA45810BB5B}\.cr\python-3.11.4-amd64.exe
"C:\Windows\Temp\{21D32013-E30B-4E17-AEE8-8FA45810BB5B}\.cr\python-3.11.4-amd64.exe" -burn.clean.room="C:\ProgramData\python-3.11.4-amd64.exe" -burn.filehandle.attached=532 -burn.filehandle.self=540
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
Network
| Country | Destination | Domain | Proto |
| GB | 96.16.110.114:80 | tcp | |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 125.162.192.69.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 |
Files
memory/3552-0-0x00007FFCE8843000-0x00007FFCE8845000-memory.dmp
memory/3552-1-0x0000000000F30000-0x000000000279A000-memory.dmp
C:\ProgramData\svhost.exe
| MD5 | b075eb4cf71b6774184891552dfc9ccf |
| SHA1 | 80f66dfb79180890efb46df800634dd8e5553987 |
| SHA256 | 09b0ea505f95446356de28fc0eae805f7f3f548e7a7df522c4a6805c50065663 |
| SHA512 | 27830f1d0c807e39c2872f274fbc3b486e8d24e83c74de6b75285e9ac32a15b4ebc81d5bc6e2d98ded6e3986d250339218ce2a7e8e3778b0bba30b479e0cbb08 |
memory/3416-13-0x0000000000E70000-0x0000000000E86000-memory.dmp
memory/3416-14-0x00007FFCE8840000-0x00007FFCE9301000-memory.dmp
C:\ProgramData\python-3.11.4-amd64.exe
| MD5 | e4413bb7448cd13b437dffffba294ca0 |
| SHA1 | 59dcc42113cd01346f7498a07c1265a4428b8864 |
| SHA256 | 47be821c0f1825d90fc40f83a3ee3d3a691a3e16c8e21ac0cd56371362aaad50 |
| SHA512 | a48ee8992eee60a0d620dced71b9f96596f5dd510e3024015aca55884cdb3f9e2405734bfc13f3f40b79106a77bc442cce02ac4c8f5d16207448052b368fd52a |
memory/3416-26-0x00007FFCE8840000-0x00007FFCE9301000-memory.dmp
memory/3660-28-0x0000019038A50000-0x0000019038A72000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tegny5aa.k4z.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
C:\Windows\Temp\{21D32013-E30B-4E17-AEE8-8FA45810BB5B}\.cr\python-3.11.4-amd64.exe
| MD5 | 73084cdc98f16f144aeaa7ce8966a76a |
| SHA1 | 40e8d66a0d13454b25513c8444c763cab00f2ab7 |
| SHA256 | 6846e876b507121739c7325d83c6cef655748113f0ef1cb61759552dd76c9db4 |
| SHA512 | d674aa9c8ec2736fc4282d6ae7a15c87ef714c6d8f0ceef5213c6925abce8e152eed4fa39525b5aa7c5bcf806fe7bffbbbbd74e71f25fd9ff544825d407abb71 |
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 | 59d97011e091004eaffb9816aa0b9abd |
| SHA1 | 1602a56b01dd4b7c577ca27d3117e4bcc1aa657b |
| SHA256 | 18f381e0db020a763b8c515c346ef58679ab9c403267eacfef5359e272f7e71d |
| SHA512 | d9ca49c1a17580981e2c1a50d73c0eecaa7a62f8514741512172e395af2a3d80aeb0f71c58bc7f52c18246d57ba67af09b6bff4776877d6cc6f0245c30e092d6 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 13:14
Reported
2024-06-14 13:16
Platform
win7-20240508-en
Max time kernel
37s
Max time network
34s
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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk | C:\ProgramData\svhost.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svhost.lnk | C:\ProgramData\svhost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\svhost.exe | N/A |
| N/A | N/A | C:\ProgramData\python-3.11.4-amd64.exe | N/A |
| N/A | N/A | C:\Windows\Temp\{CE658053-C3E3-4EFC-9C9A-3587C7104E66}\.cr\python-3.11.4-amd64.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\python-3.11.4-amd64.exe | N/A |
| N/A | N/A | C:\Windows\Temp\{CE658053-C3E3-4EFC-9C9A-3587C7104E66}\.cr\python-3.11.4-amd64.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\ProgramData\\svhost.exe" | C:\ProgramData\svhost.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:\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:\ProgramData\svhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\ProgramData\svhost.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:\ProgramData\svhost.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\svhost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\python-3.11.4-amd64.exe
"C:\Users\Admin\AppData\Local\Temp\python-3.11.4-amd64.exe"
C:\ProgramData\svhost.exe
"C:\ProgramData\svhost.exe"
C:\ProgramData\python-3.11.4-amd64.exe
"C:\ProgramData\python-3.11.4-amd64.exe"
C:\Windows\Temp\{CE658053-C3E3-4EFC-9C9A-3587C7104E66}\.cr\python-3.11.4-amd64.exe
"C:\Windows\Temp\{CE658053-C3E3-4EFC-9C9A-3587C7104E66}\.cr\python-3.11.4-amd64.exe" -burn.clean.room="C:\ProgramData\python-3.11.4-amd64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svhost.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\ProgramData\svhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
Files
memory/2020-0-0x000007FEF5373000-0x000007FEF5374000-memory.dmp
memory/2020-1-0x0000000001260000-0x0000000002ACA000-memory.dmp
memory/2604-7-0x0000000000960000-0x0000000000976000-memory.dmp
C:\ProgramData\svhost.exe
| MD5 | b075eb4cf71b6774184891552dfc9ccf |
| SHA1 | 80f66dfb79180890efb46df800634dd8e5553987 |
| SHA256 | 09b0ea505f95446356de28fc0eae805f7f3f548e7a7df522c4a6805c50065663 |
| SHA512 | 27830f1d0c807e39c2872f274fbc3b486e8d24e83c74de6b75285e9ac32a15b4ebc81d5bc6e2d98ded6e3986d250339218ce2a7e8e3778b0bba30b479e0cbb08 |
memory/2604-8-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp
C:\ProgramData\python-3.11.4-amd64.exe
| MD5 | e4413bb7448cd13b437dffffba294ca0 |
| SHA1 | 59dcc42113cd01346f7498a07c1265a4428b8864 |
| SHA256 | 47be821c0f1825d90fc40f83a3ee3d3a691a3e16c8e21ac0cd56371362aaad50 |
| SHA512 | a48ee8992eee60a0d620dced71b9f96596f5dd510e3024015aca55884cdb3f9e2405734bfc13f3f40b79106a77bc442cce02ac4c8f5d16207448052b368fd52a |
\Windows\Temp\{CE658053-C3E3-4EFC-9C9A-3587C7104E66}\.cr\python-3.11.4-amd64.exe
| MD5 | 73084cdc98f16f144aeaa7ce8966a76a |
| SHA1 | 40e8d66a0d13454b25513c8444c763cab00f2ab7 |
| SHA256 | 6846e876b507121739c7325d83c6cef655748113f0ef1cb61759552dd76c9db4 |
| SHA512 | d674aa9c8ec2736fc4282d6ae7a15c87ef714c6d8f0ceef5213c6925abce8e152eed4fa39525b5aa7c5bcf806fe7bffbbbbd74e71f25fd9ff544825d407abb71 |
\Windows\Temp\{08601EA8-3F58-4943-AC84-0C2214C2C10B}\.ba\PythonBA.dll
| MD5 | 6382ca6e9024097c5b662b0147c67e7c |
| SHA1 | e1134801e1d2834c0a2be3f7d30bc6610760689f |
| SHA256 | cbac589b8142d3c1df2353471e928b2823f59b66e06e521619052dbe6385055c |
| SHA512 | 0a38306ae961a64eb0da531ae3f7b6f438be94320b0e11caf1b05a700d49632556405431b175606d3bff13f89f658f3af00037c1cd752b659169086ce247d6bb |
C:\Windows\Temp\{08601EA8-3F58-4943-AC84-0C2214C2C10B}\.ba\SideBar.png
| MD5 | 888eb713a0095756252058c9727e088a |
| SHA1 | c14f69f2bef6bc3e2162b4dd78e9df702d94cdb4 |
| SHA256 | 79434bd1368f47f08acf6db66638531d386bf15166d78d9bfea4da164c079067 |
| SHA512 | 7c59f4ada242b19c2299b6789a65a1f34565fed78730c22c904db16a9872fe6a07035c6d46a64ee94501fbcd96de586a8a5303ca22f33da357d455c014820ca0 |
memory/2604-72-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp
memory/2720-77-0x000000001B850000-0x000000001BB32000-memory.dmp
memory/2720-78-0x0000000001EC0000-0x0000000001EC8000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 985ee19498dddb5e4607e0a049818a22 |
| SHA1 | 8b23341bcb26daf812ba8b5b7c7ec6f48ea1fb9d |
| SHA256 | 3fd2b9ba23feda79d5b9bcd2ea54fe1bd3d7b431de9c96695016bedf6a4edf4c |
| SHA512 | 5365ff31c67275555a1fa31235b6f20872c862c0ddd50940c5784633ebb8f8de603b28504a75c0d54f1715648edf6a78e596dea711b19ef8a59dba4864855e38 |
memory/1844-84-0x000000001B730000-0x000000001BA12000-memory.dmp
memory/1844-85-0x0000000001E70000-0x0000000001E78000-memory.dmp
memory/2604-97-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp
memory/2604-98-0x000007FEF5370000-0x000007FEF5D5C000-memory.dmp