| File name: | dmw.7z |
| Full analysis: | https://app.any.run/tasks/a1f93786-acb2-48af-92d4-5f857dd4308c |
| Verdict: | Malicious activity |
| Threats: | Remcos is a commercially distributed remote administration and surveillance tool that has been widely observed in unauthorized deployments, where threat actors use it to perform remote actions on compromised machines. It is actively maintained by its vendor, with new versions and feature updates released on a frequent, near-monthly basis. |
| Analysis date: | April 01, 2023, 03:32:44 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-7z-compressed |
| File info: | 7-zip archive data, version 0.4 |
| MD5: | 975835F89302280A3B2B7CFA98D39E8C |
| SHA1: | E638B8D61D472698BE3F7CDD481F9E3E6976272C |
| SHA256: | 52ABDCCA7E18EA77CA6FFF3BC2354B2A86955A518750F65E79CFE27A33303B4E |
| SSDEEP: | 12288:/xLFMgtvpAGmXnYJO2YZSTm76xV9jokAjn44GPKX:dFvtB7VL+6PikGnBeKX |
MALICIOUS
Uses Task Scheduler to run other applications
- cmd.exe (PID: 1788)
REMCOS detected by memory dumps
- RegAsm.exe (PID: 1848)
SUSPICIOUS
Starts CMD.EXE for commands execution
- dmw.exe (PID: 1700)
Connects to unusual port
- RegAsm.exe (PID: 1848)
INFO
The process checks LSA protection
- dmw.exe (PID: 1700)
Reads the computer name
- dmw.exe (PID: 1700)
- RegAsm.exe (PID: 1848)
Checks supported languages
- dmw.exe (PID: 1700)
- RegAsm.exe (PID: 1848)
Reads the machine GUID from the registry
- dmw.exe (PID: 1700)
Reads Environment values
- RegAsm.exe (PID: 1848)
Reads product name
- RegAsm.exe (PID: 1848)
Creates files or folders in the user directory
- cmd.exe (PID: 1564)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Remcos
(PID) Process(1848) RegAsm.exe
Hosts (1)hotsdefender.webredirect.org:2404
BotnetMARZO2023
Connect_interval1
Install_flagFalse
Install_HKCU\RunTrue
Install_HKLM\Explorer\Run1
Setup_path%APPDATA%
Copy_fileremcos.exe
Startup_valueremcos
Hide_fileFalse
Mutex_nameXvJh6JkpIuTr5CxWsZxQws0ktg8nKko3Tyui78IkmPLwQe3FbVsQA-0K16Y8
Keylog_flag1
Keylog_path%APPDATA%
Keylog_filelogs.dat
Keylog_cryptFalse
Hide_keylogFalse
Screenshot_flagFalse
Screenshot_time5
Take_ScreenshotFalse
Screenshot_namewikipedia;solitaire;
Screenshot_path%APPDATA%
Screenshot_fileScreenshots
Screenshot_cryptFalse
Mouse_optionFalse
Delete_fileFalse
Audio_record_time5
Audio_path%APPDATA%
Audio_dirMicRecords
Connect_delay0
Copy_dirremcos
Keylog_dirKey
Max_keylog_file10000
TRiD
| .7z | | | 7-Zip compressed archive (v0.4) (57.1) |
|---|---|---|
| .7z | | | 7-Zip compressed archive (gen) (42.8) |
Total processes
44
Monitored processes
7
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1224 | "cmd" /c mkdir "C:\Users\admin\AppData\Roaming\creavt" | C:\Windows\System32\cmd.exe | — | dmw.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1564 | "cmd" /c copy "C:\Users\admin\AppData\Local\Temp\Rar$EXa2824.47322\dmw.exe" "C:\Users\admin\AppData\Roaming\creavt\creavt.exe" | C:\Windows\System32\cmd.exe | — | dmw.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1700 | "C:\Users\admin\AppData\Local\Temp\Rar$EXa2824.47322\dmw.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXa2824.47322\dmw.exe | — | WinRAR.exe | |||||||||||
User: admin Company: AnyDesk Software GmbH Integrity Level: MEDIUM Description: AnyDesk Exit code: 4294967295 Version: 7.1.8 Modules
| |||||||||||||||
| 1788 | "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\admin\AppData\Roaming\creavt\creavt.exe'" /f | C:\Windows\System32\cmd.exe | — | dmw.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
| |||||||||||||||
| 1848 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | dmw.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Exit code: 0 Version: 4.0.30319.34209 built by: FX452RTMGDR Modules
Remcos(PID) Process(1848) RegAsm.exe Hosts (1)hotsdefender.webredirect.org:2404 BotnetMARZO2023 Connect_interval1 Install_flagFalse Install_HKCU\RunTrue Install_HKLM\Explorer\Run1 Setup_path%APPDATA% Copy_fileremcos.exe Startup_valueremcos Hide_fileFalse Mutex_nameXvJh6JkpIuTr5CxWsZxQws0ktg8nKko3Tyui78IkmPLwQe3FbVsQA-0K16Y8 Keylog_flag1 Keylog_path%APPDATA% Keylog_filelogs.dat Keylog_cryptFalse Hide_keylogFalse Screenshot_flagFalse Screenshot_time5 Take_ScreenshotFalse Screenshot_namewikipedia;solitaire; Screenshot_path%APPDATA% Screenshot_fileScreenshots Screenshot_cryptFalse Mouse_optionFalse Delete_fileFalse Audio_record_time5 Audio_path%APPDATA% Audio_dirMicRecords Connect_delay0 Copy_dirremcos Keylog_dirKey Max_keylog_file10000 | |||||||||||||||
| 2824 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\dmw.7z" | 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
| |||||||||||||||
| 3212 | schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\admin\AppData\Roaming\creavt\creavt.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
| |||||||||||||||
Total events
3 548
Read events
3 516
Write events
32
Delete events
0
Modification events
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2824) 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: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\phacker.zip | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2824) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
Executable files
0
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2824 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXa2824.47322\dmw.exe | — | |
MD5:— | SHA256:— | |||
| 1564 | cmd.exe | C:\Users\admin\AppData\Roaming\creavt\creavt.exe | — | |
MD5:— | SHA256:— | |||
| 1848 | RegAsm.exe | C:\Users\admin\AppData\Roaming\Key\logs.dat | binary | |
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
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 |
|---|---|---|---|---|---|---|
1848 | RegAsm.exe | 154.29.75.191:2404 | hotsdefender.webredirect.org | TIER-NET | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
hotsdefender.webredirect.org |
| malicious |