| File name: | udasf.exe |
| Full analysis: | https://app.any.run/tasks/286dc3f6-0b9f-44c2-bcc4-9b8f906ddd00 |
| Verdict: | Malicious activity |
| Threats: | Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. |
| Analysis date: | March 13, 2025, 21:22:18 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (console) x86-64, for MS Windows, 7 sections |
| MD5: | EE38952F42924AA386384C6FD8585D4C |
| SHA1: | 1D297FB5C1C096B3112B7A8AA86E3613012456F7 |
| SHA256: | B30AE0ACCF95CE23A7A3CC92E57865C4ED00FD6D7FDE6A001ED969F7B2D5D20E |
| SSDEEP: | 1536:UHTPM+/oZ5IaTgyjAg1OOjmIY+uEhogb5W9vCSruuhE2N/9ieh:6jW5IMgQAIdHuEXbovC8bEi |
MALICIOUS
Changes the autorun value in the registry
- udasf.exe (PID: 6036)
- WscService.exe (PID: 6540)
- WscService.exe (PID: 864)
- WscService.exe (PID: 5008)
- WscService.exe (PID: 3896)
- WscService.exe (PID: 2096)
Actions looks like stealing of personal data
- WscService.exe (PID: 864)
- WscService.exe (PID: 3896)
SUSPICIOUS
Starts itself from another location
- udasf.exe (PID: 6036)
Executable content was dropped or overwritten
- udasf.exe (PID: 6036)
Application launched itself
- WscService.exe (PID: 6540)
- WscService.exe (PID: 864)
- WscService.exe (PID: 3896)
INFO
Creates files in the program directory
- udasf.exe (PID: 6036)
Checks supported languages
- udasf.exe (PID: 6036)
- WscService.exe (PID: 3896)
- WscService.exe (PID: 6540)
- WscService.exe (PID: 864)
- WscService.exe (PID: 5008)
- WscService.exe (PID: 2096)
Reads the computer name
- udasf.exe (PID: 6036)
- WscService.exe (PID: 3896)
- WscService.exe (PID: 6540)
- WscService.exe (PID: 864)
- WscService.exe (PID: 5008)
- WscService.exe (PID: 2096)
Autorun file from Registry key
- udasf.exe (PID: 6036)
- WscService.exe (PID: 6540)
- WscService.exe (PID: 864)
- WscService.exe (PID: 5008)
- WscService.exe (PID: 3896)
- WscService.exe (PID: 2096)
Manual execution by a user
- WscService.exe (PID: 6540)
Checks proxy server information
- slui.exe (PID: 2420)
Reads the software policy settings
- slui.exe (PID: 2420)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:03:13 20:58:54+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.37 |
| CodeSize: | 28672 |
| InitializedDataSize: | 286720 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6e20 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
Total processes
132
Monitored processes
13
Malicious processes
4
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 536 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | WscService.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 664 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | WscService.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 864 | "C:\ProgramData\WindowsSecurity\WscService.exe" main spawnbuddy | C:\ProgramData\WindowsSecurity\WscService.exe | WscService.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 1052 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | WscService.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1852 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | WscService.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2096 | "C:\ProgramData\WindowsSecurity\WscService.exe" buddy 3896 | C:\ProgramData\WindowsSecurity\WscService.exe | WscService.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 2420 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3896 | "C:\ProgramData\WindowsSecurity\WscService.exe" main spawnbuddy | C:\ProgramData\WindowsSecurity\WscService.exe | udasf.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 5008 | "C:\ProgramData\WindowsSecurity\WscService.exe" buddy 864 | C:\ProgramData\WindowsSecurity\WscService.exe | WscService.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 6036 | "C:\Users\admin\Desktop\udasf.exe" | C:\Users\admin\Desktop\udasf.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
3 707
Read events
3 701
Write events
6
Delete events
0
Modification events
| (PID) Process: | (6036) udasf.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
| (PID) Process: | (6540) WscService.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
| (PID) Process: | (864) WscService.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
| (PID) Process: | (5008) WscService.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
| (PID) Process: | (3896) WscService.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
| (PID) Process: | (2096) WscService.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftSecurityCenter |
Value: C:\ProgramData\WindowsSecurity\WscService.exe | |||
Executable files
1
Suspicious files
39
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6036 | udasf.exe | C:\ProgramData\WindowsSecurity\WscService.exe | executable | |
MD5:EE38952F42924AA386384C6FD8585D4C | SHA256:B30AE0ACCF95CE23A7A3CC92E57865C4ED00FD6D7FDE6A001ED969F7B2D5D20E | |||
| 864 | WscService.exe | C:\Users\admin\Documents\Outlook Files\Outlook.pst | binary | |
MD5:1BF519E52D394F0686828E398A4BD24B | SHA256:2B647382EAD9A7D3337A8B3ADC0DB6B80668F02ECF95A5D3DDE0B18423811706 | |||
| 864 | WscService.exe | C:\Users\admin\Documents\Database1.accdb | binary | |
MD5:716DD6D02E0250ECCAB044D377DF414E | SHA256:4998AE21620413C52C47E9296B23A2A56D2C2B5CA66E527D85EFA58A2495A1A3 | |||
| 864 | WscService.exe | C:\Users\admin\Documents\PowerShell\Modules\PSSQLite\1.1.0\Invoke-SqliteQuery.ps1 | binary | |
MD5:1E2BD973B9B3EA1AEBF09922135239AD | SHA256:88A5821B98CF9DDF92E0EA1B3F354116B95C8C1745E8F8B304664E8CEC9795FE | |||
| 864 | WscService.exe | C:\Users\admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2 | binary | |
MD5:102635F1C811E9B5E4D3DEA94B6571F1 | SHA256:2CEC31F688A5544635D56716ACA89ECA0EED4692A47B452BEEED589CCC121F15 | |||
| 864 | WscService.exe | C:\Users\admin\Documents\PowerShell\Modules\PSSQLite\1.1.0\Invoke-SqliteBulkCopy.ps1 | binary | |
MD5:EC557E5667AAF3ABD7E6170195A25D70 | SHA256:EC503FDE487838A01F5F2E09AAD3DF51724E887EE1B4CE30246C98EE1149161E | |||
| 864 | WscService.exe | C:\Users\admin\Documents\OneNote Notebooks\My Notebook\Quick Notes.one | binary | |
MD5:28283EF613D31AAE29B4B0E273FF80D4 | SHA256:BD992B65B13372634D28830F3064E0FE96EA5475203FDE0958DCE1B65712D8CC | |||
| 864 | WscService.exe | C:\Users\admin\Documents\PowerShell\Modules\PSSQLite\1.1.0\Out-DataTable.ps1 | binary | |
MD5:5308D3A9FEF5302773F1AEAE5797D7DE | SHA256:ACC8FE8D59BC60CF1DCB1846B158D7DD42130E094A826A147AF910B16CB19BDC | |||
| 864 | WscService.exe | C:\Users\admin\Documents\PowerShell\Modules\PSSQLite\1.1.0\PSSQLite.psd1 | binary | |
MD5:E6C1D2E62236F323419F6770410EAF53 | SHA256:E842A7C84A3D5FEA7F4D0390A7EEE9AFCAEC0D63AA11FD4E7DF1CB7F801CA373 | |||
| 864 | WscService.exe | C:\Users\admin\Documents\PowerShell\Modules\PSSQLite\1.1.0\New-SqliteConnection.ps1 | binary | |
MD5:A4969DDEF01E87E2D3F8E7C204F369E7 | SHA256:402D91445DE583A5742CA964944FAD4C17A28EB1042165F01C5432488EC2F22D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
21
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
— | — | POST | — | 20.83.72.98:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3332 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
2420 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |