| File name: | hfsexplorer-2021.10.9-setup.exe |
| Full analysis: | https://app.any.run/tasks/fbdba86c-4a26-4fb3-ac0d-6b315e59d00a |
| Verdict: | Malicious activity |
| Analysis date: | May 20, 2025, 18:27:25 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| 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: | 844EB78E1B04545DBDC3B805699F89B5 |
| SHA1: | B54A09C01493E4B0AB8B536A5A16FC4B119A6B08 |
| SHA256: | F4F55575D3E91FCCE05DD994EBC6BABCEC317A4B27EE986E8A9A37F936EA2D44 |
| SSDEEP: | 49152:nhwTEIOHQNlNDMGoTM9E820b9gA+XreDAfOaOnaH5Fmbufg4U:nNXHQRDMGHE82WmkIEQ58q2 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Creates a software uninstall entry
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
Executable content was dropped or overwritten
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
There is functionality for taking screenshot (YARA)
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
The process creates files with name similar to system file names
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
Starts itself from another location
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
Searches for installed software
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
Malware-specific behavior (creating "System.dll" in Temp)
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
Reads security settings of Internet Explorer
- hfsexplorer.exe (PID: 4068)
- javaw.exe (PID: 5556)
Application launched itself
- hfsexplorer.exe (PID: 4068)
Checks for Java to be installed
- javaw.exe (PID: 5556)
INFO
Creates files in the program directory
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
- javaw.exe (PID: 5556)
Reads the computer name
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
- uninst.exe (PID: 3888)
- hfsexplorer.exe (PID: 4068)
- javaw.exe (PID: 5556)
Create files in a temporary directory
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
- javaw.exe (PID: 5556)
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
Checks supported languages
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
- hfsexplorer.exe (PID: 5260)
- hfsexplorer.exe (PID: 4068)
- uninst.exe (PID: 3888)
The sample compiled with english language support
- hfsexplorer-2021.10.9-setup.exe (PID: 6264)
Manual execution by a user
- hfsexplorer-2021.10.9-setup.exe (PID: 6512)
- hfsexplorer-2021.10.9-setup.exe (PID: 3008)
- hfsexplorer.exe (PID: 4068)
Process checks computer location settings
- hfsexplorer.exe (PID: 4068)
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: | 2021:09:25 21:53:44+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 26624 |
| InitializedDataSize: | 3805696 |
| UninitializedDataSize: | 2048 |
| EntryPoint: | 0x350a |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
145
Monitored processes
12
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2140 | 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
| |||||||||||||||
| 2656 | C:\WINDOWS\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M | C:\Windows\System32\icacls.exe | — | javaw.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3008 | "C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe" | C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 1 Modules
| |||||||||||||||
| 3888 | "C:\Program Files (x86)\HFSExplorer\uninst.exe" _?=C:\Program Files (x86)\HFSExplorer | C:\Program Files (x86)\HFSExplorer\uninst.exe | — | hfsexplorer-2021.10.9-setup.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 2 Modules
| |||||||||||||||
| 4068 | "C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer.exe" | C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Catacombae Software Integrity Level: MEDIUM Description: HFSExplorer Exit code: 0 Version: 2021, 10, 9, 0 Modules
| |||||||||||||||
| 5260 | "C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer.exe" "-invokeduac" | C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer.exe | hfsexplorer.exe | ||||||||||||
User: admin Company: Catacombae Software Integrity Level: HIGH Description: HFSExplorer Version: 2021, 10, 9, 0 Modules
| |||||||||||||||
| 5556 | javaw.exe -classpath ..\lib\hfsx.jar;..\lib\swing-layout-1.0.4.jar;..\lib\hfsx_dmglib.jar;..\lib\apache-ant-1.7.0-bzip2.jar;..\lib\iharder-base64.jar org.catacombae.hfsexplorer.FileSystemBrowserWindow "-dbgconsole" | C:\Program Files (x86)\Common Files\Oracle\Java\javapath_target_2989500\javaw.exe | — | hfsexplorer.exe | |||||||||||
User: admin Company: Oracle Corporation Integrity Level: HIGH Description: Java(TM) Platform SE binary Version: 8.0.2710.9 Modules
| |||||||||||||||
| 6028 | "C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe" | C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 6132 | "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
| |||||||||||||||
| 6264 | "C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe" | C:\Users\admin\Desktop\hfsexplorer-2021.10.9-setup.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
2 653
Read events
2 646
Write events
7
Delete events
0
Modification events
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | NSIS:StartMenuDir |
Value: HFSExplorer | |||
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | DisplayName |
Value: HFSExplorer 2021.10.9 | |||
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | UninstallString |
Value: C:\Program Files (x86)\HFSExplorer\uninst.exe | |||
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | DisplayVersion |
Value: 2021.10.9 | |||
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | URLInfoAbout |
Value: https://www.catacombae.org/ | |||
| (PID) Process: | (6264) hfsexplorer-2021.10.9-setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\HFSExplorer |
| Operation: | write | Name: | Publisher |
Value: Catacombae Software | |||
Executable files
18
Suspicious files
6
Text files
19
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\resview | text | |
MD5:D9B2546DCB321311674501540FE678C1 | SHA256:D6C464E861A3EA166DAA1CE4E53EE7C4AE5FE92859A514CE94EB97564D9D8683 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer | text | |
MD5:F2DA9BD473616187D29749C7975CFB94 | SHA256:41F6A57D275D616B066CEE4C6B969E279F2E7BDCD344C79D46C73422608623C7 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer.exe | executable | |
MD5:0EB9FF6944D9658D967AA202F16CBC28 | SHA256:3ABF9A85609335BA3E27BC79DEED76229CD5256599304FAF82E71EC70D032418 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\unhfs.bat | text | |
MD5:FBE9C94A2AA1AB29228025737DE90070 | SHA256:01D258088FFAECE6CA0290522715433D179892342CF983884CECCA42CBFAD222 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\hfsexplorer_vista.vbs | text | |
MD5:853975571CA02610167C2DE5E9FB64A1 | SHA256:2599BC161954294E41E00B714EE0D3E199CB559C13B8962E46A1E5C90E3FD023 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\hfsx.bat | text | |
MD5:7E4405F833126FA95118F3B5D1E88CC8 | SHA256:BE10629635DB60280364014451615D5B3979D121EED72BB68B9DAE86E0CC72DA | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Users\admin\AppData\Local\Temp\nssC92F.tmp\modern-wizard.bmp | image | |
MD5:CBE40FD2B1EC96DAEDC65DA172D90022 | SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\resview.bat | text | |
MD5:0D6C68E932252F56B123D74312E72EFB | SHA256:7C39EFD14C3674CF60F897BC8E8925A4EDC7E6D89BC0A4F80A59A34F06F21072 | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\unhfs | text | |
MD5:1362E17F9C40B85A595D3BB3DD02494B | SHA256:96F003E20F43D794768F38D01DF987CCAEAFCD338CBE71B395F66DB9D84A376A | |||
| 6264 | hfsexplorer-2021.10.9-setup.exe | C:\Program Files (x86)\HFSExplorer\bin\dumpfsdata.bat | text | |
MD5:88DA4A496A8DEB538E08738A035236DD | SHA256:FF3CF8D7135640AF412D85E1E0AA36476B006A8AF13DE49CE9E5A1DDCB3839E7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
24
DNS requests
19
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
680 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
680 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2924 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
2924 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
2924 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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 | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.159.4:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2104 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
680 | SIHClient.exe | 4.175.87.197:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
fp.msedge.net |
| whitelisted |