| File name: | Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.rar |
| Full analysis: | https://app.any.run/tasks/c038e9bd-a206-4e70-95c7-3e0f1e7ae357 |
| Verdict: | Malicious activity |
| Threats: | Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. |
| Analysis date: | March 31, 2023, 23:11:24 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, flags: Locked EncryptedBlockHeader |
| MD5: | FECE27B4884C071FCDBF66CCDFA52C2D |
| SHA1: | 76DAE8C49CAE7E71FD9CA55D2AD22123F27B4F16 |
| SHA256: | 55F9D1F7767797AA6C9EEF0C2FB01E88C3050006B496B2FDB02F4F2B3E419579 |
| SSDEEP: | 24576:Ms58hBNs1DpSodGnaduQi9wEhKzmOu/8jCu/C4mSCpXP3vUqcmeFUVlAmzB2:Ms58KsxaEDiEhKzu/8uwmSCdfgFms |
MALICIOUS
Uses Task Scheduler to run other applications
- cmd.exe (PID: 988)
Adds path to the Windows Defender exclusion list
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
Starts Visual C# compiler
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
Remcos is detected
- csc.exe (PID: 3080)
REMCOS detected by memory dumps
- csc.exe (PID: 3080)
SUSPICIOUS
Starts CMD.EXE for commands execution
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
Reads the Internet Settings
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
- powershell.exe (PID: 2700)
The process hide an interactive prompt from the user
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
Using PowerShell to operate with local accounts
- powershell.exe (PID: 2700)
Connects to unusual port
- csc.exe (PID: 3080)
Starts POWERSHELL.EXE for commands execution
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
INFO
Reads the computer name
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
- csc.exe (PID: 3080)
Checks supported languages
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
- csc.exe (PID: 3080)
The process checks LSA protection
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
- powershell.exe (PID: 2700)
Creates files or folders in the user directory
- cmd.exe (PID: 1764)
Reads Environment values
- csc.exe (PID: 3080)
Create files in a temporary directory
- powershell.exe (PID: 2700)
Reads settings of System Certificates
- powershell.exe (PID: 2700)
Reads product name
- csc.exe (PID: 3080)
Reads the machine GUID from the registry
- Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe (PID: 3864)
Creates files in the program directory
- csc.exe (PID: 3080)
Reads security settings of Internet Explorer
- powershell.exe (PID: 2700)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Remcos
(PID) Process(3080) csc.exe
Hosts (2)127.0.0.1:8029
afgdsg.duckdns.org:8029
BotnetRemoteHost
Connect_interval1
Install_flagFalse
Install_HKCU\RunTrue
Install_HKLM\RunTrue
Install_HKLM\Explorer\Run1
Setup_path%LOCALAPPDATA%
Copy_fileremcos.exe
Startup_valueRemcos
Hide_fileFalse
Mutex_nameRmc-KRVPQ3
Keylog_flag1
Keylog_path%LOCALAPPDATA%
Keylog_filelogs.dat
Keylog_cryptFalse
Hide_keylogFalse
Screenshot_flagFalse
Screenshot_time5
Take_ScreenshotFalse
Screenshot_path%APPDATA%
Screenshot_fileScreenshots
Screenshot_cryptFalse
Mouse_optionFalse
Delete_fileFalse
Audio_record_time5
Audio_path%ProgramFiles%
Audio_dirMicRecords
Connect_delay0
Copy_dirRemcos
Keylog_dirremcos
Max_keylog_file100000
TRiD
| .rar | | | RAR compressed archive (v-4.x) (58.3) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (41.6) |
Total processes
44
Monitored processes
7
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 988 | "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\admin\AppData\Roaming\AppData.exe'" /f | C:\Windows\System32\cmd.exe | — | Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1048 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.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
| |||||||||||||||
| 1764 | "cmd" /c copy "C:\Users\admin\AppData\Local\Temp\Rar$EXb1048.29614\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe" "C:\Users\admin\AppData\Roaming\AppData.exe" | C:\Windows\System32\cmd.exe | — | Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1796 | schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\admin\AppData\Roaming\AppData.exe'" /f | C:\Windows\System32\schtasks.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2700 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath "'C:\Users\admin\AppData\Local\Temp\Rar$EXb1048.29614\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe'" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 1 Version: 10.0.14409.1005 (rs1_srvoob.161208-1155) Modules
| |||||||||||||||
| 3080 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe | Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 4.0.30319.34209 built by: FX452RTMGDR Modules
Remcos(PID) Process(3080) csc.exe Hosts (2)127.0.0.1:8029 afgdsg.duckdns.org:8029 BotnetRemoteHost Connect_interval1 Install_flagFalse Install_HKCU\RunTrue Install_HKLM\RunTrue Install_HKLM\Explorer\Run1 Setup_path%LOCALAPPDATA% Copy_fileremcos.exe Startup_valueRemcos Hide_fileFalse Mutex_nameRmc-KRVPQ3 Keylog_flag1 Keylog_path%LOCALAPPDATA% Keylog_filelogs.dat Keylog_cryptFalse Hide_keylogFalse Screenshot_flagFalse Screenshot_time5 Take_ScreenshotFalse Screenshot_path%APPDATA% Screenshot_fileScreenshots Screenshot_cryptFalse Mouse_optionFalse Delete_fileFalse Audio_record_time5 Audio_path%ProgramFiles% Audio_dirMicRecords Connect_delay0 Copy_dirRemcos Keylog_dirremcos Max_keylog_file100000 | |||||||||||||||
| 3864 | "C:\Users\admin\AppData\Local\Temp\Rar$EXb1048.29614\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXb1048.29614\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | — | WinRAR.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 4294967295 Modules
| |||||||||||||||
Total events
10 928
Read events
10 836
Write events
92
Delete events
0
Modification events
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1048) 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: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1048) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
Executable files
0
Suspicious files
6
Text files
0
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1048 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb1048.29614\Factura y comprobante de pago detalle de transaccion -pdf-65478396473847389.exe | — | |
MD5:— | SHA256:— | |||
| 1764 | cmd.exe | C:\Users\admin\AppData\Roaming\AppData.exe | — | |
MD5:— | SHA256:— | |||
| 3080 | csc.exe | C:\ProgramData\remcos\logs.dat | binary | |
MD5:— | SHA256:— | |||
| 2700 | powershell.exe | C:\Users\admin\AppData\Local\Temp\pthz0zcp.ycg.ps1 | binary | |
MD5:C4CA4238A0B923820DCC509A6F75849B | SHA256:— | |||
| 2700 | powershell.exe | C:\Users\admin\AppData\Local\Temp\ybchbkja.hka.psm1 | binary | |
MD5:C4CA4238A0B923820DCC509A6F75849B | SHA256:— | |||
| 2700 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | dbf | |
MD5:446DD1CF97EABA21CF14D03AEBC79F27 | SHA256:A7DE5177C68A64BD48B36D49E2853799F4EBCFA8E4761F7CC472F333DC5F65CF | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
DNS requests
2
Threats
2
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 |
|---|---|---|---|---|---|---|
— | — | 177.255.88.17:8029 | afgdsg.duckdns.org | Colombia Movil | CO | malicious |
3080 | csc.exe | 177.255.88.17:8029 | afgdsg.duckdns.org | Colombia Movil | CO | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
afgdsg.duckdns.org |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |