| File name: | cpuspeed.tnt |
| Full analysis: | https://app.any.run/tasks/e4f5d645-b1e3-4d0d-b75f-d5a2e38d36df |
| Verdict: | Malicious activity |
| Analysis date: | November 27, 2023, 05:37:08 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/octet-stream |
| File info: | data |
| MD5: | 37A0F1EBE4635C4F580C15B4BE716826 |
| SHA1: | 42CC054134A3DE35E30F29936417D484BEA6EEBE |
| SHA256: | 774FE3D892D88A26D56227C4F47E04620505C22CFDFA64667F92479B0EDE4397 |
| SSDEEP: | 96:/Xfe4gg1LXMKL/B1X7mxg45h04B4w/BkX24M6s2S2UIHBMaVVQBtZQSZqH:/X9g2/B1w59JaU1aou |
MALICIOUS
The DLL Hijacking
- OIS.EXE (PID: 2864)
SUSPICIOUS
Reads the Internet Settings
- rundll32.exe (PID: 2708)
INFO
Checks supported languages
- OIS.EXE (PID: 2864)
Reads the computer name
- OIS.EXE (PID: 2864)
Reads Microsoft Office registry keys
- OIS.EXE (PID: 2864)
Reads Environment values
- OIS.EXE (PID: 2864)
Creates files or folders in the user directory
- OIS.EXE (PID: 2864)
Reads the machine GUID from the registry
- OIS.EXE (PID: 2864)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .a3x | | | AutoIt v3 compiled script (100) |
|---|
Total processes
39
Monitored processes
2
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2708 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL "C:\Users\admin\Desktop\cpuspeed.tnt" | C:\Windows\System32\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2864 | "C:\PROGRA~1\MICROS~1\Office14\OIS.EXE" /shellOpen "C:\Users\admin\Desktop\cpuspeed.tnt" | C:\Program Files\Microsoft Office\Office14\OIS.EXE | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Office 2010 Exit code: 0 Version: 14.0.6015.1000 Modules
| |||||||||||||||
Total events
1 156
Read events
1 132
Write events
21
Delete events
3
Modification events
| (PID) Process: | (2708) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\17F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1033 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1041 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1046 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1036 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1031 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1040 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1049 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 3082 |
Value: On | |||
| (PID) Process: | (2864) OIS.EXE | Key: | HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages |
| Operation: | write | Name: | 1042 |
Value: On | |||
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2864 | OIS.EXE | C:\Users\admin\AppData\Local\Temp\CVR4CEF.tmp.cvr | — | |
MD5:— | SHA256:— | |||
| 2864 | OIS.EXE | C:\Users\admin\AppData\Local\Microsoft\OIS\OIScatalog.cag | text | |
MD5:4233258E1B34737ED1FDDDA0F7EF5EB6 | SHA256:FFC0081914CBD6CF0C81FED3C307F9087D1F457134035A97999AFA2A3D140657 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2588 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |