| File name: | exam.exe |
| Full analysis: | https://app.any.run/tasks/0704b343-1f9d-4bbb-ae38-1b2003089a54 |
| Verdict: | Malicious activity |
| Analysis date: | January 22, 2025, 17:39:53 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, 7 sections |
| MD5: | 07D0D60FBCF30F7AB7861AD9981A2EED |
| SHA1: | 1379F9E8F41B425911E0B828A708BE9C76018CAC |
| SHA256: | 7A9FB8091A40B36F35483F47C34BE2D3114B9E07E070187084AA27C80D687EA2 |
| SSDEEP: | 192:q+aAlasC44MAiA800FTZfSmH0os7sMIdY54zROBTxu1HvcTJ+7f:x1j4MmEdf/gox3au1Hvrf |
MALICIOUS
Changes the autorun value in the registry
- exam.exe (PID: 4188)
Connects to the CnC server
- update.exe (PID: 2928)
- exam.exe (PID: 4188)
SUSPICIOUS
Executable content was dropped or overwritten
- exam.exe (PID: 4188)
Contacting a server suspected of hosting an CnC
- update.exe (PID: 2928)
- exam.exe (PID: 4188)
INFO
Checks supported languages
- update.exe (PID: 2928)
- exam.exe (PID: 4188)
Reads the computer name
- exam.exe (PID: 4188)
Manual execution by a user
- update.exe (PID: 2928)
- update.exe (PID: 3928)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:01:17 22:28:07+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit, No debug |
| PEType: | PE32 |
| LinkerVersion: | 2.3 |
| CodeSize: | 11776 |
| InitializedDataSize: | 17920 |
| UninitializedDataSize: | 1024 |
| EntryPoint: | 0x14c0 |
| OSVersion: | 4 |
| ImageVersion: | 1 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
134
Monitored processes
4
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2928 | "C:\phqghume\update.exe" | C:\phqghume\update.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 3928 | "C:\phqghume\update.exe" | C:\phqghume\update.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| 4188 | "C:\Users\admin\AppData\Local\Temp\exam.exe" | C:\Users\admin\AppData\Local\Temp\exam.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 6096 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
563
Read events
561
Write events
2
Delete events
0
Modification events
| (PID) Process: | (4188) exam.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | clbupdate |
Value: c:\phqghume\update.exe | |||
| (PID) Process: | (4188) exam.exe | Key: | HKEY_CURRENT_USER\cylab |
| Operation: | write | Name: | installed |
Value: 140 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4188 | exam.exe | C:\phqghume\update.exe | executable | |
MD5:07D0D60FBCF30F7AB7861AD9981A2EED | SHA256:7A9FB8091A40B36F35483F47C34BE2D3114B9E07E070187084AA27C80D687EA2 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
34
DNS requests
23
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
436 | svchost.exe | GET | 200 | 2.16.164.43:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
436 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6628 | 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 |
1176 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6628 | 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 |
1796 | backgroundTaskHost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | 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 |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.21.65.154:443 | www.bing.com | Akamai International B.V. | NL | whitelisted |
4712 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
436 | svchost.exe | 2.16.164.43:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
436 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
4188 | exam.exe | 76.223.54.146:80 | www.catchmeifyoucan.com | AMAZON-02 | US | malicious |
1076 | svchost.exe | 2.23.242.9:443 | go.microsoft.com | Ooredoo Q.S.C. | QA | whitelisted |
2972 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
www.catchmeifyoucan.com |
| unknown |
go.microsoft.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
4188 | exam.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Small.NQT!tr CnC Activity |
2928 | update.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Small.NQT!tr CnC Activity |
4188 | exam.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Small.NQT!tr CnC Activity |
2928 | update.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Small.NQT!tr CnC Activity |