| File name: | Duper.rar |
| Full analysis: | https://app.any.run/tasks/ed58bb16-da5c-499c-87b9-9dd3f13778b0 |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | June 27, 2022, 13:53:15 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | BA5F796D3512D2FBEADAD01219B8571E |
| SHA1: | A7607B85A25D7E19F144A23072BBC82C7446F501 |
| SHA256: | 02E5DE848568FEFEA1FEA1955A096739421803B58492F4F74450D755AE175DC0 |
| SSDEEP: | 12288:hq1qPWxIc5I/Gb81U8EqMlLrDiTL6bVehtC/y3vscY+Xpjj3Bkw3E3XSUlTEzkq/:hrmfeK8vgCTkKFkcF/Ml5g1zvt11GB8 |
MALICIOUS
Drops executable file immediately after starts
- WinRAR.exe (PID: 2444)
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Application was dropped or rewritten from another process
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Writes to a start menu file
- svchost.exe (PID: 2624)
NJRAT was detected
- svchost.exe (PID: 2624)
Changes the autorun value in the registry
- svchost.exe (PID: 2624)
Connects to CnC server
- svchost.exe (PID: 2624)
SUSPICIOUS
Reads the computer name
- WinRAR.exe (PID: 2444)
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Checks supported languages
- WinRAR.exe (PID: 2444)
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 2444)
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Drops a file with a compile date too recent
- WinRAR.exe (PID: 2444)
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Creates executable files which already exist in Windows
- Duper.exe (PID: 1824)
Creates files in the user directory
- Duper.exe (PID: 1824)
- svchost.exe (PID: 2624)
Starts itself from another location
- Duper.exe (PID: 1824)
Reads Environment values
- netsh.exe (PID: 3172)
- svchost.exe (PID: 2624)
Uses NETSH.EXE for network configuration
- svchost.exe (PID: 2624)
INFO
Checks supported languages
- netsh.exe (PID: 3172)
Reads the computer name
- netsh.exe (PID: 3172)
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
38
Monitored processes
4
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1824 | "C:\Users\admin\AppData\Local\Temp\Rar$EXb2444.16346\Duper.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXb2444.16346\Duper.exe | WinRAR.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2444 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Duper.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
| |||||||||||||||
| 2624 | "C:\Users\admin\AppData\Roaming\svchost.exe" | C:\Users\admin\AppData\Roaming\svchost.exe | Duper.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3172 | netsh firewall add allowedprogram "C:\Users\admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE | C:\Windows\system32\netsh.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 035
Read events
2 872
Write events
163
Delete events
0
Modification events
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2444) 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: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Duper.rar | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2444) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
Executable files
3
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2444 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb2444.16346\Duper.exe | executable | |
MD5:— | SHA256:— | |||
| 1824 | Duper.exe | C:\Users\admin\AppData\Roaming\svchost.exe | executable | |
MD5:— | SHA256:— | |||
| 2624 | svchost.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\f65842513b6f751e3f899870000ddeac.exe | 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
2
DNS requests
1
Threats
4
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 |
|---|---|---|---|---|---|---|
2624 | svchost.exe | 193.219.117.144:7777 | — | S.c. Glin Service Turism S.r.l. | RO | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2624 | svchost.exe | A Network Trojan was detected | ET TROJAN Generic njRAT/Bladabindi CnC Activity (ll) |
3 ETPRO signatures available at the full report