| File name: | purchaseorder.exe |
| Full analysis: | https://app.any.run/tasks/1b7d5924-d9a2-4df9-b089-85f770b0950c |
| 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: | March 24, 2025, 12:27:36 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive, 5 sections |
| MD5: | EEED189C0CE7579F5C74C7180BC14B98 |
| SHA1: | C0D10B4591641E2930603709266B35A1D0C52F82 |
| SHA256: | 0F67BCEC32B7E5430FBADC1061806E44773DF523F087AC46650176EF9628A7EE |
| SSDEEP: | 24576:b78qqEItndycAm9GI8f8fBoyJykGY1RwVvFE43ev69w5x0Nu846BM3eZ4b5:X8qqEItndycAm9GI8f8fBoyJykGY1Rwk |
MALICIOUS
GULOADER SHELLCODE has been detected (YARA)
- purchaseorder.exe (PID: 7472)
- purchaseorder.exe (PID: 7252)
GULOADER has been detected (YARA)
- purchaseorder.exe (PID: 7472)
- purchaseorder.exe (PID: 7252)
SUSPICIOUS
Executable content was dropped or overwritten
- purchaseorder.exe (PID: 7472)
Malware-specific behavior (creating "System.dll" in Temp)
- purchaseorder.exe (PID: 7472)
There is functionality for taking screenshot (YARA)
- purchaseorder.exe (PID: 7472)
- purchaseorder.exe (PID: 7252)
The process creates files with name similar to system file names
- purchaseorder.exe (PID: 7472)
Application launched itself
- purchaseorder.exe (PID: 7472)
Reads security settings of Internet Explorer
- purchaseorder.exe (PID: 7252)
INFO
Checks supported languages
- purchaseorder.exe (PID: 7472)
- purchaseorder.exe (PID: 7252)
The sample compiled with english language support
- purchaseorder.exe (PID: 7472)
Create files in a temporary directory
- purchaseorder.exe (PID: 7472)
Reads the computer name
- purchaseorder.exe (PID: 7472)
- purchaseorder.exe (PID: 7252)
Checks proxy server information
- purchaseorder.exe (PID: 7252)
- slui.exe (PID: 5936)
Reads the machine GUID from the registry
- purchaseorder.exe (PID: 7252)
Reads the software policy settings
- purchaseorder.exe (PID: 7252)
- slui.exe (PID: 5936)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:01:30 03:57:41+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 26112 |
| InitializedDataSize: | 141824 |
| UninitializedDataSize: | 2048 |
| EntryPoint: | 0x34a5 |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.1.0.0 |
| ProductVersionNumber: | 3.1.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | sviregasten bagatellernes auditoriernes |
| FileVersion: | 3.1.0.0 |
| LegalCopyright: | idiosynkrasis naturstridig liberatress |
| OriginalFileName: | illusionsls footwarmers.exe |
| ProductName: | selvforsyningens mature |
Total processes
125
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5936 | 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
| |||||||||||||||
| 7252 | "C:\Users\admin\Desktop\purchaseorder.exe" | C:\Users\admin\Desktop\purchaseorder.exe | purchaseorder.exe | ||||||||||||
User: admin Company: sviregasten bagatellernes auditoriernes Integrity Level: MEDIUM Version: 3.1.0.0 Modules
| |||||||||||||||
| 7472 | "C:\Users\admin\Desktop\purchaseorder.exe" | C:\Users\admin\Desktop\purchaseorder.exe | explorer.exe | ||||||||||||
User: admin Company: sviregasten bagatellernes auditoriernes Integrity Level: MEDIUM Exit code: 0 Version: 3.1.0.0 Modules
| |||||||||||||||
Total events
7 383
Read events
7 102
Write events
281
Delete events
0
Modification events
| (PID) Process: | (7472) purchaseorder.exe | Key: | HKEY_CURRENT_USER\tusindedels\Uninstall\generaliseret\rdnbenes |
| Operation: | write | Name: | enantobiosis |
Value: 0 | |||
| (PID) Process: | (7472) purchaseorder.exe | Key: | HKEY_CURRENT_USER\jointing\saccharostarchy |
| Operation: | write | Name: | within |
Value: %stoutening%\Nedrulningerne151\knaphulssilkerne.haa | |||
| (PID) Process: | (7252) purchaseorder.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (7252) purchaseorder.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (7252) purchaseorder.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
Executable files
1
Suspicious files
13
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Bombiccite.Non | binary | |
MD5:C5242A62D1A78D9815FB378988BC1DDB | SHA256:4E8D9A4C59FA689134A45A78DCAB5F4B122754FA6F12A4D0E4DF5E12203B621F | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Gribefladens\cadette.jpg | binary | |
MD5:A234E88A7628830881C1A4F702D166F5 | SHA256:2865AA32299CB37827CE5616FE67EE4D6B29883675F65F21515F3E8424908601 | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Gribefladens\Amerikanerinden\sharkishness.txt | text | |
MD5:6A758D89D1AA8D9A8BBD28570EF7B4A5 | SHA256:9421FF05F832D95EECA62F604772CD48BB7744B66B17D0C9048055DF4CB397EF | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Gribefladens\mizpah.nod | binary | |
MD5:07DE1B5CEC3CF94F70E7F07D7F1A93BA | SHA256:04A1E95FA97825ABFEFCB3B182B8B527353CA99539A66045D6C348BBED351EAA | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Nudiped.typ | binary | |
MD5:E4E0A8A2BFCD8E1CA1AD1907D598650C | SHA256:475807078F1BB47CBF5FBC4BF82F988A5E3E8526B4C11D59902B451100F02499 | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Gribefladens\go.for | binary | |
MD5:96D74DBF2AD4FF45D49FDE586F12EAB9 | SHA256:630EE82F94549B2E4A18B43881A7F6A8A461EB98E625D880B13E072062E48179 | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\nsxC905.tmp | binary | |
MD5:8CE4B16B22B58894AA86C421E8759DF3 | SHA256:8254C329A92850F6D539DD376F4816EE2764517DA5E0235514AF433164480D7A | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Lingeriers.hel | binary | |
MD5:86106EAF2F2B8834767E5F65480F3791 | SHA256:4D437C5ACC0D6676884CD57E4AEEEF8763EC705F0CDE21F5B650F9EAE297012D | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\Kahytsjomfruen\omklaedningsrummet\precomputations\Dekameter\Gribefladens\genopfrelsens.txt | text | |
MD5:80AE8A8122C4F3127E97801AC93A7DA3 | SHA256:FA22C88B7B3449C8071CD9EFB2AFDA3A58E8E536634246E227DE8F6B51CD30CF | |||
| 7472 | purchaseorder.exe | C:\Users\admin\AppData\Local\Temp\nsqC5D4.tmp | binary | |
MD5:8CE4B16B22B58894AA86C421E8759DF3 | SHA256:8254C329A92850F6D539DD376F4816EE2764517DA5E0235514AF433164480D7A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
16
TCP/UDP connections
22
DNS requests
6
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6392 | RUXIMICS.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
— | — | GET | 404 | 140.82.121.4:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.3:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.4:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.3:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.3:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.4:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.4:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
— | — | GET | 404 | 140.82.121.3:443 | https://github.com/richie213/zz/raw/refs/heads/main/ZHoCtvxU253.bin | unknown | html | 266 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
6392 | RUXIMICS.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6392 | RUXIMICS.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
7252 | purchaseorder.exe | 140.82.121.3:443 | github.com | GITHUB | US | whitelisted |
6620 | slui.exe | 20.83.72.98:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5936 | 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 |
crl.microsoft.com |
| whitelisted |
github.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |