| File name: | msbuild64i.zip |
| Full analysis: | https://app.any.run/tasks/4b5e62a5-394d-4bff-9c08-980f3729f38e |
| 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 19, 2025, 21:26:00 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v1.0 to extract, compression method=store |
| MD5: | 3498EBF3F87DDA7F15BF9152D82D2238 |
| SHA1: | 9BBABCBA8B0A18F44B0A6C3A3A1C0FB4A88A0A14 |
| SHA256: | 96EC30159B41DC83A72C5B7A43AFD5D4F08B6FBDD65F6DDA23732F81A0B85B38 |
| SSDEEP: | 98304:KLOzjcvnYFLpEhY3tLZHThqKUjrCf8gZ7d8eWgtg1szaBS0urpEORsXAkeAFN2YC:Y45d |
MALICIOUS
Steals credentials from Web Browsers
- winlogon.exe (PID: 5984)
Actions looks like stealing of personal data
- winlogon.exe (PID: 5984)
SUSPICIOUS
Application launched itself
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 1628)
Reads security settings of Internet Explorer
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 1628)
The process creates files with name similar to system file names
- msbuild64i.exe (PID: 5392)
Executable content was dropped or overwritten
- msbuild64i.exe (PID: 5392)
- winlogon.exe (PID: 5984)
Starts itself from another location
- msbuild64i.exe (PID: 5392)
- winlogon.exe (PID: 5984)
INFO
Executable content was dropped or overwritten
- WinRAR.exe (PID: 6736)
Reads the machine GUID from the registry
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 5392)
- winlogon.exe (PID: 5984)
- winlogon.exe (PID: 4696)
- msbuild64i.exe (PID: 1628)
- winlogon.exe (PID: 5720)
- msbuild64i.exe (PID: 2908)
- msbuild64i.exe (PID: 3900)
Manual execution by a user
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 1628)
- msbuild64i.exe (PID: 3900)
Checks supported languages
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 5392)
- winlogon.exe (PID: 5984)
- winlogon.exe (PID: 4696)
- winlogon.exe (PID: 5720)
- msbuild64i.exe (PID: 1628)
- msbuild64i.exe (PID: 3900)
- msbuild64i.exe (PID: 2908)
Reads the computer name
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 5392)
- winlogon.exe (PID: 5984)
- winlogon.exe (PID: 5720)
- winlogon.exe (PID: 4696)
- msbuild64i.exe (PID: 1628)
Process checks computer location settings
- msbuild64i.exe (PID: 4428)
- msbuild64i.exe (PID: 1628)
Creates files or folders in the user directory
- msbuild64i.exe (PID: 5392)
Create files in a temporary directory
- winlogon.exe (PID: 5984)
Creates files in the program directory
- winlogon.exe (PID: 5984)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 10 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | None |
| ZipModifyDate: | 2025:05:20 00:13:18 |
| ZipCRC: | 0x3c17c7fb |
| ZipCompressedSize: | 14 |
| ZipUncompressedSize: | 14 |
| ZipFileName: | PASSWORD: 8358 |
Total processes
147
Monitored processes
11
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1628 | "C:\Users\admin\Desktop\msbuild64i.exe" | C:\Users\admin\Desktop\msbuild64i.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 2 Modules
| |||||||||||||||
| 2908 | "C:\Users\admin\Desktop\msbuild64i.exe" | C:\Users\admin\Desktop\msbuild64i.exe | msbuild64i.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 1 Modules
| |||||||||||||||
| 3900 | "C:\Users\admin\Desktop\msbuild64i.exe" | C:\Users\admin\Desktop\msbuild64i.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 1 Modules
| |||||||||||||||
| 4428 | "C:\Users\admin\Desktop\msbuild64i.exe" | C:\Users\admin\Desktop\msbuild64i.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 2 Modules
| |||||||||||||||
| 4696 | "C:\Program Files (x86)\Microsoft\Edge\Application\winlogon.exe" - | C:\Program Files (x86)\Microsoft\Edge\Application\winlogon.exe | — | winlogon.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 4776 | 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
| |||||||||||||||
| 5392 | "C:\Users\admin\Desktop\msbuild64i.exe" | C:\Users\admin\Desktop\msbuild64i.exe | msbuild64i.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 5720 | "C:\Program Files\Google\Chrome\Application\winlogon.exe" - | C:\Program Files\Google\Chrome\Application\winlogon.exe | — | winlogon.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 5984 | C:\Users\admin\AppData\Local\TileDataLayer\winlogon.exe | C:\Users\admin\AppData\Local\TileDataLayer\winlogon.exe | msbuild64i.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 6540 | "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
| |||||||||||||||
Total events
6 185
Read events
6 176
Write events
9
Delete events
0
Modification events
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\msbuild64i.zip | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (6736) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
Executable files
5
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6736 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb6736.28934\msbuild64i.exe | executable | |
MD5:7AC5487A9E648B9F1B6F607CDFFCF93A | SHA256:FC16C57287BC3D942575A52913ABA6FBC0D77ADA7AF8142B9CFE61B311C9E0FC | |||
| 5984 | winlogon.exe | C:\Program Files (x86)\Microsoft\Edge\Application\winlogon.exe | executable | |
MD5:7AC5487A9E648B9F1B6F607CDFFCF93A | SHA256:FC16C57287BC3D942575A52913ABA6FBC0D77ADA7AF8142B9CFE61B311C9E0FC | |||
| 5392 | msbuild64i.exe | C:\Users\admin\AppData\Local\TileDataLayer\winlogon.exe | executable | |
MD5:7AC5487A9E648B9F1B6F607CDFFCF93A | SHA256:FC16C57287BC3D942575A52913ABA6FBC0D77ADA7AF8142B9CFE61B311C9E0FC | |||
| 5984 | winlogon.exe | C:\Program Files\Google\Chrome\Application\winlogon.exe | executable | |
MD5:7AC5487A9E648B9F1B6F607CDFFCF93A | SHA256:FC16C57287BC3D942575A52913ABA6FBC0D77ADA7AF8142B9CFE61B311C9E0FC | |||
| 5392 | msbuild64i.exe | C:\Users\admin\AppData\Local\Adobe\svchost.exe | executable | |
MD5:7AC5487A9E648B9F1B6F607CDFFCF93A | SHA256:FC16C57287BC3D942575A52913ABA6FBC0D77ADA7AF8142B9CFE61B311C9E0FC | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
28
DNS requests
10
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1012 | 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 |
1012 | 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.23.246.101:80 | — | Ooredoo Q.S.C. | QA | unknown |
— | — | 2.23.246.101:80 | — | Ooredoo Q.S.C. | QA | unknown |
— | — | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6544 | svchost.exe | 40.126.31.71:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5392 | msbuild64i.exe | 1.1.1.1:443 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
go.microsoft.com |
| whitelisted |