| File name: | infected.zip |
| Full analysis: | https://app.any.run/tasks/bd5949c7-9db1-4707-b7ba-fbceb75649db |
| Verdict: | Malicious activity |
| Analysis date: | April 01, 2024, 14:52:25 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract, compression method=AES Encrypted |
| MD5: | D319BA7C14546DFB0C0DEC4B396F8C2A |
| SHA1: | 8A65825A38B33B54FB4D3B9EA8872599177F214A |
| SHA256: | B46D119F3C0684171CCCDD67D89C309935F00D7C3DD4121811B3EE9A14B27FCF |
| SSDEEP: | 1536:USLv3sAjnMuPEfy+ERynpvZYwhqRPRn7N7j5qHR4v4dWkW8WlvHNg:USzzPPEacpvikUR7N7gHVdkRvHK |
MALICIOUS
Drops the executable file immediately after the start
- WinRAR.exe (PID: 1696)
SUSPICIOUS
Checks for external IP
- csrsss.exe (PID: 2208)
Reads the Internet Settings
- csrsss.exe (PID: 2208)
INFO
Manual execution by a user
- csrsss.exe (PID: 2208)
Reads the machine GUID from the registry
- csrsss.exe (PID: 2208)
Checks supported languages
- csrsss.exe (PID: 2208)
Reads the computer name
- csrsss.exe (PID: 2208)
Reads Environment values
- csrsss.exe (PID: 2208)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 20 |
|---|---|
| ZipBitFlag: | 0x0009 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2024:04:01 17:48:18 |
| ZipCRC: | 0xa1f2a87e |
| ZipCompressedSize: | 70235 |
| ZipUncompressedSize: | 123904 |
| ZipFileName: | csrsss.exe |
Total processes
40
Monitored processes
2
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1696 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\infected.zip" | 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
| |||||||||||||||
| 2208 | "C:\Users\admin\Desktop\csrsss.exe" | C:\Users\admin\Desktop\csrsss.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 2148734499 Version: 4.0.0.0 Modules
| |||||||||||||||
Total events
4 396
Read events
4 361
Write events
35
Delete events
0
Modification events
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\infected.zip | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1696) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1696 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DRb1696.14292\csrsss.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
6
DNS requests
1
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2208 | csrsss.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | unknown |
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 |
— | — | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2208 | csrsss.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2208 | csrsss.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2208 | csrsss.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
2208 | csrsss.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup ip-api.com |
Process | Message |
|---|---|
csrsss.exe | CLR: Managed code called FailFast without specifying a reason.
|