| File name: | build.exe |
| Full analysis: | https://app.any.run/tasks/bb46f398-61e7-4b89-a281-7b6443ebf52a |
| 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: | May 15, 2025, 20:51:27 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed, 3 sections |
| MD5: | A5E6B60E3A6483905C7E7D121917A8DA |
| SHA1: | 7FC66DE97D22EEC4768911E26B3A334119319FBB |
| SHA256: | 0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 |
| SSDEEP: | 98304:lKFT7k9nBEhhVLQXzRZ3uk3jSVDTziYo8TSF36XYwCLzh7Hsc77BIEXCi72Uc/rG:N+OEw7 |
MALICIOUS
Actions looks like stealing of personal data
- spoolsv.exe (PID: 7584)
Steals credentials from Web Browsers
- spoolsv.exe (PID: 7584)
SUSPICIOUS
Application launched itself
- build.exe (PID: 3100)
Reads security settings of Internet Explorer
- build.exe (PID: 3100)
Executable content was dropped or overwritten
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7584)
Starts itself from another location
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7584)
The process creates files with name similar to system file names
- build.exe (PID: 7232)
INFO
Checks supported languages
- build.exe (PID: 3100)
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7808)
- spoolsv.exe (PID: 8156)
- spoolsv.exe (PID: 7584)
Reads the machine GUID from the registry
- build.exe (PID: 3100)
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7808)
- spoolsv.exe (PID: 7584)
- spoolsv.exe (PID: 8156)
Reads the computer name
- build.exe (PID: 3100)
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7808)
- spoolsv.exe (PID: 7584)
- spoolsv.exe (PID: 8156)
Process checks computer location settings
- build.exe (PID: 3100)
Creates files or folders in the user directory
- build.exe (PID: 7232)
Creates files in the program directory
- build.exe (PID: 7232)
- spoolsv.exe (PID: 7584)
Create files in a temporary directory
- spoolsv.exe (PID: 7584)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (64.2) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.6) |
| .exe | | | Win32 Executable (generic) (10.6) |
| .exe | | | Generic Win/DOS Executable (4.7) |
| .exe | | | DOS Executable Generic (4.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 0000:00:00 00:00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 3 |
| CodeSize: | 3276800 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | 8769536 |
| EntryPoint: | 0xb7d3a0 |
| OSVersion: | 6.1 |
| ImageVersion: | 1 |
| SubsystemVersion: | 6.1 |
| Subsystem: | Windows GUI |
Total processes
143
Monitored processes
7
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3100 | "C:\Users\admin\Desktop\build.exe" | C:\Users\admin\Desktop\build.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 2 Modules
| |||||||||||||||
| 4620 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6516 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7232 | "C:\Users\admin\Desktop\build.exe" | C:\Users\admin\Desktop\build.exe | build.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 7584 | "C:\Program Files (x86)\Windows Media Player\spoolsv.exe" | C:\Program Files (x86)\Windows Media Player\spoolsv.exe | build.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 7808 | "C:\Program Files\Google\Chrome\Application\spoolsv.exe" - | C:\Program Files\Google\Chrome\Application\spoolsv.exe | — | spoolsv.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 8156 | "C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe" - | C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe | — | spoolsv.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
4 331
Read events
4 331
Write events
0
Delete events
0
Modification events
Executable files
5
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7232 | build.exe | C:\Program Files (x86)\Windows Media Player\spoolsv.exe | executable | |
MD5:A5E6B60E3A6483905C7E7D121917A8DA | SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 | |||
| 7584 | spoolsv.exe | C:\Program Files (x86)\Microsoft\Edge\Application\spoolsv.exe | executable | |
MD5:A5E6B60E3A6483905C7E7D121917A8DA | SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 | |||
| 7232 | build.exe | C:\Users\admin\AppData\Local\ElevatedDiagnostics\fontdrvhost.exe | executable | |
MD5:A5E6B60E3A6483905C7E7D121917A8DA | SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 | |||
| 7232 | build.exe | C:\Program Files (x86)\Windows Photo Viewer\OfficeClickToRun.exe | executable | |
MD5:A5E6B60E3A6483905C7E7D121917A8DA | SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 | |||
| 7584 | spoolsv.exe | C:\Program Files\Google\Chrome\Application\spoolsv.exe | executable | |
MD5:A5E6B60E3A6483905C7E7D121917A8DA | SHA256:0206DBF5768766A8F9E9F7089F45AD4472743BA284224C9898C6742E106D76A3 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
32
DNS requests
14
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6560 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6560 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | 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 |
|---|---|---|---|---|---|---|
6544 | svchost.exe | 40.126.32.134:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 23.52.120.96:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
— | — | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
7232 | build.exe | 1.1.1.1:443 | — | — | — | whitelisted |
7232 | build.exe | 188.114.97.3:443 | — | — | — | unknown |
4784 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |