| File name: | Dokument VAT I - 85926 09 2021 MAG-8.exe |
| Full analysis: | https://app.any.run/tasks/bbcbc3ea-3bfd-4a1b-98ae-d551c8fa95af |
| Verdict: | Malicious activity |
| Threats: | GuLoader is an advanced downloader written in shellcode. It’s used by criminals to distribute other malware, notably trojans, on a large scale. It’s infamous for using anti-detection and anti-analysis capabilities. |
| Analysis date: | May 16, 2025, 14:42:05 |
| 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, 3 sections |
| MD5: | 0A2F51E6D3650F115C1B5484AFBDF3A7 |
| SHA1: | 6283D55E065802036F0E5DA958BFD458A7999C09 |
| SHA256: | E49FF3E9ECBBE320E8CD29470D13B72643674B66E75AB5A824DDA36EEF6BF05E |
| SSDEEP: | 768:2CHmlJd2MbSbSwsHDaSra4N5M7mftnUkVlJNp6ZDxpc2WVca9SDsUxtLndeed:TOJoMsSIS24Ne7m1n9X6ZE/oLngG |
| .exe | | | Win32 Executable Microsoft Visual Basic 6 (84.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (6.7) |
| .exe | | | Win32 Executable (generic) (4.6) |
| .exe | | | Generic Win/DOS Executable (2) |
| .exe | | | DOS Executable Generic (2) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2013:10:28 16:20:55+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 77824 |
| InitializedDataSize: | 8192 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x12c8 |
| OSVersion: | 4 |
| ImageVersion: | 4.4 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 4.4.0.1 |
| ProductVersionNumber: | 4.4.0.1 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Chinese (Traditional) |
| CharacterSet: | Unicode |
| Comments: | ChatSwipe |
| CompanyName: | ChatSwipe |
| FileDescription: | ChatSwipe |
| LegalCopyright: | ChatSwipe |
| LegalTrademarks: | ChatSwipe |
| ProductName: | ChatSwipe |
| FileVersion: | 4.04.0001 |
| ProductVersion: | 4.04.0001 |
| InternalName: | Afblomstrings8 |
| OriginalFileName: | Afblomstrings8.exe |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7324 | "C:\Users\admin\AppData\Local\Temp\Dokument VAT I - 85926 09 2021 MAG-8.exe" | C:\Users\admin\AppData\Local\Temp\Dokument VAT I - 85926 09 2021 MAG-8.exe | explorer.exe | ||||||||||||
User: admin Company: ChatSwipe Integrity Level: MEDIUM Description: ChatSwipe Version: 4.04.0001 Modules
guloader(PID) Process(7324) Dokument VAT I - 85926 09 2021 MAG-8.exe C2 (1)https://drive.google.com/uc?export=download&id=1nGJiop3ZbSXKqDzRXrfCgNWu41bLoy9F Strings (24)C:\Program Files\Qemu-ga\qemu-ga.exe C:\Program Files\qga\qga.exe MSBuild.exe Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko Msi.dll Publisher RegAsm.exe RegSvcs.exe Software\Microsoft\Windows\CurrentVersion\RunOnce Startup key USERPROFILE= \Microsoft.NET\Framework\ \system32\ \syswow64\ advapi32 kernel32 msvbvm60.dll ntdll psapi.dll shell32 user32 v4.0.30319\ windir= wininet.dll | |||||||||||||||
| 7384 | 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
| |||||||||||||||
| 7416 | "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
| |||||||||||||||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.22:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.216.77.22:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
7964 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
7964 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.22:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 23.216.77.22:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
— | — | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
7964 | SIHClient.exe | 4.245.163.56:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |