analyze malware
- Huge database of samples and IOCs
- Custom VM setup
- Unlimited submissions
- Interactive approach
| File name: | Remcos |
| Full analysis: | https://app.any.run/tasks/2d996a31-7fe9-4689-86fc-d69042d1aae5 |
| Verdict: | Malicious activity |
| Analysis date: | April 01, 2023, 05:01:51 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | text/plain |
| File info: | ASCII text, with CRLF line terminators |
| MD5: | 4ABEBAC7241B40069B9635F5924509DC |
| SHA1: | 5F59A37F7F8D0C5074C459A533F3F5ED23C286B0 |
| SHA256: | BDD308CAFB3514354C794760301821CA2FE4152BC3A78F335C65417B1D82EFEB |
| SSDEEP: | 24:F41Fv8NCxmR7THTh82TFyShhFo14/I7xHm7TSj7q9c/ncKaZaEPt0iU4j46aP/s:61Fi9Th8OFySXW1oI7xNjO9cEZht0ilV |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads the Internet Settings
- rundll32.exe (PID: 2680)
- notepad.exe (PID: 3540)
- wscript.exe (PID: 2908)
- powershell.exe (PID: 2644)
Starts POWERSHELL.EXE for commands execution
- wscript.exe (PID: 2908)
Using PowerShell to operate with local accounts
- powershell.exe (PID: 2644)
INFO
The process checks LSA protection
- rundll32.exe (PID: 2680)
- notepad.exe (PID: 3540)
- powershell.exe (PID: 1752)
- powershell.exe (PID: 2644)
Manual execution by a user
- wscript.exe (PID: 2908)
Application launched itself
- iexplore.exe (PID: 3304)
Create files in a temporary directory
- iexplore.exe (PID: 3304)
- powershell.exe (PID: 2644)
- powershell.exe (PID: 1752)
Checks transactions between databases Windows and Oracle
- wscript.exe (PID: 2908)
Reads security settings of Internet Explorer
- powershell.exe (PID: 2644)
- powershell.exe (PID: 1752)
Reads settings of System Certificates
- powershell.exe (PID: 2644)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
44
Monitored processes
7
Malicious processes
3
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2680 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL "C:\Users\admin\AppData\Local\Temp\Remcos" | C:\Windows\System32\rundll32.exe | — | explorer.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
| |||||||||||||||
| 3540 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\Temp\Remcos | C:\Windows\System32\notepad.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2908 | "C:\Windows\System32\WScript.exe" "C:\Users\admin\Desktop\Remcos.js" | C:\Windows\System32\wscript.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 Modules
| |||||||||||||||
| 3304 | "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding | C:\Program Files\Internet Explorer\iexplore.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Internet Explorer Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 3480 | "C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3304 CREDAT:267521 /prefetch:2 | C:\Program Files\Internet Explorer\iexplore.exe | — | iexplore.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Internet Explorer Version: 11.00.9600.16428 (winblue_gdr.131013-1700) Modules
| |||||||||||||||
| 2644 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" This page can’t be displayed This page can’t be displayed Make sure the web address https://stronghoodserver.xyz is correct. Look for the page with your search engine. Refresh the page in a few minutes. Check that all network cables are plugged in. Verify that airplane mode is turned off. Make sure your wireless switch is turned on. See if you can connect to mobile broadband. Restart your router. Fix connection problems | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | wscript.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
| |||||||||||||||
| 1752 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Move-Item 'C:\Users\admin\Desktop\Remcos.js' 'C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\' | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | wscript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.14409.1005 (rs1_srvoob.161208-1155) Modules
| |||||||||||||||
Total events
31 524
Read events
31 158
Write events
358
Delete events
8
Modification events
| (PID) Process: | (2680) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2680) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2680) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2680) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2680) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3540) notepad.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | NodeSlots |
Value: 0202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202 | |||
| (PID) Process: | (3540) notepad.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | MRUListEx |
Value: 0C000000000000000B00000001000000020000000D00000007000000060000000A0000000900000008000000030000000500000004000000FFFFFFFF | |||
| (PID) Process: | (3540) notepad.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | MRUListEx |
Value: 020000000C000000000000000B000000010000000D00000007000000060000000A0000000900000008000000030000000500000004000000FFFFFFFF | |||
| (PID) Process: | (3540) notepad.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg |
| Operation: | write | Name: | TV_FolderType |
Value: {FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9} | |||
| (PID) Process: | (3540) notepad.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\Bags\50\ComDlg |
| Operation: | write | Name: | TV_TopViewID |
Value: {82BA0782-5B7A-4569-B5D7-EC83085F08CC} | |||
Executable files
0
Suspicious files
22
Text files
34
Unknown types
10
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3304 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:83D9AD949E2AC521ACA1EF7F1633CA59 | SHA256:9E850558902A0A606893B9FF848E76C19643C16AA309195788BC880DF8B7178A | |||
| 3304 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442 | der | |
MD5:8461A037B38246996C5F98A64B5FD918 | SHA256:C85675B72791F932EBE52B51BC13DCB761A469B1FBDE881C6C4EF6BA93A1B36F | |||
| 3540 | notepad.exe | C:\Users\admin\Desktop\Remcos.js | text | |
MD5:4ABEBAC7241B40069B9635F5924509DC | SHA256:BDD308CAFB3514354C794760301821CA2FE4152BC3A78F335C65417B1D82EFEB | |||
| 1752 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Remcos.js | text | |
MD5:4ABEBAC7241B40069B9635F5924509DC | SHA256:BDD308CAFB3514354C794760301821CA2FE4152BC3A78F335C65417B1D82EFEB | |||
| 3304 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442 | binary | |
MD5:FFEE096785D4B0DD846C43CB75DCC0B1 | SHA256:5FDDB744937A90CEE5EE7E4C758C36B468E77A3F64240858E44F816C76247C76 | |||
| 1752 | powershell.exe | C:\Users\admin\AppData\Local\Temp\eawh1tbk.ika.ps1 | binary | |
MD5:C4CA4238A0B923820DCC509A6F75849B | SHA256:6B86B273FF34FCE19D6B804EFF5A3F5747ADA4EAA22F1D49C01E52DDB7875B4B | |||
| 1752 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | dbf | |
MD5:446DD1CF97EABA21CF14D03AEBC79F27 | SHA256:A7DE5177C68A64BD48B36D49E2853799F4EBCFA8E4761F7CC472F333DC5F65CF | |||
| 2644 | powershell.exe | C:\Users\admin\AppData\Local\Temp\nxvekn1k.jat.psm1 | binary | |
MD5:C4CA4238A0B923820DCC509A6F75849B | SHA256:6B86B273FF34FCE19D6B804EFF5A3F5747ADA4EAA22F1D49C01E52DDB7875B4B | |||
| 3304 | iexplore.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | compressed | |
MD5:F7DCB24540769805E5BB30D193944DCE | SHA256:6B88C6AC55BBD6FEA0EBE5A760D1AD2CFCE251C59D0151A1400701CB927E36EA | |||
| 3304 | iexplore.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\KPDJZ5AQ.txt | text | |
MD5:6858E3CD36959FADAB7B45850AE4073C | SHA256:690AD29C570EAA46DAB52E2347DC764C6F2735835D8C6C8DA68EF36FA47F61C9 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
16
DNS requests
14
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3304 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEALnkXH7gCHpP%2BLZg4NMUMA%3D | US | der | 471 b | whitelisted |
3304 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA%2BnRyLFPYjID1ie%2Bx%2BdSjo%3D | US | der | 1.47 Kb | whitelisted |
3304 | iexplore.exe | GET | 200 | 41.63.96.128:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?93d8b02803f16851 | ZA | compressed | 4.70 Kb | whitelisted |
3304 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | US | der | 471 b | whitelisted |
3304 | iexplore.exe | GET | 200 | 209.197.3.8:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33b2ad4a128b758c | US | compressed | 4.70 Kb | whitelisted |
3304 | iexplore.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8Ull8gIGmZT9XHrHiJQeI%3D | US | der | 1.47 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3304 | iexplore.exe | 204.79.197.200:443 | www.bing.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
— | — | 152.199.19.161:443 | r20swj13mr.microsoft.com | EDGECAST | US | whitelisted |
3304 | iexplore.exe | 41.63.96.128:80 | ctldl.windowsupdate.com | LLNW | ZA | suspicious |
3304 | iexplore.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
3304 | iexplore.exe | 209.197.3.8:80 | ctldl.windowsupdate.com | STACKPATH-CDN | US | whitelisted |
— | — | 95.100.53.90:443 | go.microsoft.com | AKAMAI-AS | CH | suspicious |
3304 | iexplore.exe | 204.79.197.203:443 | www.msn.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
3304 | iexplore.exe | 20.25.53.147:443 | query.prod.cms.msn.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
stronghoodserver.xyz |
| suspicious |
api.bing.com |
| whitelisted |
www.bing.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
r20swj13mr.microsoft.com |
| whitelisted |
iecvlist.microsoft.com |
| whitelisted |
ieonline.microsoft.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
www.msn.com |
| whitelisted |