| File name: | nl.rar |
| Full analysis: | https://app.any.run/tasks/af271879-cb6d-4bb5-93f0-9a6f91930359 |
| Verdict: | Malicious activity |
| Analysis date: | June 27, 2022, 12:40:54 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | FAF4DF1F2BE24517C227898B8369CCBC |
| SHA1: | 1180233A71F0D4F7AB1E33A143B79CB26985485D |
| SHA256: | E3E917263DD9C0EB8688335208DBEDF2453654D4711065225AF2F5913D511916 |
| SSDEEP: | 384:+j1Zq/6ZDJ6V693Kpx8C81ABh8Re69WM74MigaWvOeH:+jWyZlk630x8Cxhy8McMuWvZ |
MALICIOUS
Drops executable file immediately after starts
- nl.exe (PID: 3460)
- WinRAR.exe (PID: 2936)
Application was dropped or rewritten from another process
- nl.exe (PID: 3460)
SUSPICIOUS
Checks supported languages
- WinRAR.exe (PID: 2936)
- nl.exe (PID: 3460)
Reads the computer name
- WinRAR.exe (PID: 2936)
- nl.exe (PID: 3460)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 2936)
- nl.exe (PID: 3460)
Drops a file with a compile date too recent
- WinRAR.exe (PID: 2936)
- nl.exe (PID: 3460)
Uses RUNDLL32.EXE to load library
- nl.exe (PID: 3460)
INFO
Reads the computer name
- rundll32.exe (PID: 2432)
- taskmgr.exe (PID: 3496)
Checks supported languages
- taskmgr.exe (PID: 3496)
- rundll32.exe (PID: 2432)
Manual execution by user
- taskmgr.exe (PID: 3496)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
Total processes
36
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2432 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\sestem | C:\Windows\system32\rundll32.exe | — | nl.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
| |||||||||||||||
| 2936 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\nl.rar" | C:\Program Files\WinRAR\WinRAR.exe | Explorer.EXE | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 3460 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2936.31993\nl.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2936.31993\nl.exe | WinRAR.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3496 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
2 081
Read events
2 041
Write events
40
Delete events
0
Modification events
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\nl.rar | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2936) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2936 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2936.31993\nl.exe | executable | |
MD5:— | SHA256:— | |||
| 3460 | nl.exe | C:\Users\admin\AppData\Local\Temp\sestem | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report