| File name: | REMCOS v1.7 Professional_.zip |
| Full analysis: | https://app.any.run/tasks/2d796297-698b-4b8c-baa5-48816eb6d479 |
| 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: | August 12, 2022, 17:51:48 |
| 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 |
| MD5: | ECDBF64ED3D8692D4953D7E9436744D7 |
| SHA1: | AC843F0AC8C4E517E2C455209746F98C896107F9 |
| SHA256: | D815001E1B213377F9C85DC165F06003464729D99E201976449C07400043F811 |
| SSDEEP: | 196608:iRfQQ/NHAcmK0Z7Q350gKXB2io4+Os3Yh1e+b/6CkngNuEbsB4Ija7bZOnPI+pLO:YfQNVa350F2gua1jb/VNvbs9A+JZvmj |
MALICIOUS
Loads dropped or rewritten executable
- SearchProtocolHost.exe (PID: 3720)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 2196)
- remcos.exe (PID: 628)
Drops executable file immediately after starts
- WinRAR.exe (PID: 3280)
Runs injected code in another process
- remcos.exe (PID: 628)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 2196)
Application was dropped or rewritten from another process
- Remcos Loader.exe (PID: 996)
- remcos.exe (PID: 628)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 2196)
Application was injected by another process
- Explorer.EXE (PID: 912)
REMCOS detected by memory dumps
- remcos.exe (PID: 2196)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 628)
SUSPICIOUS
Reads the computer name
- WinRAR.exe (PID: 3280)
- remcos.exe (PID: 628)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 2196)
Checks supported languages
- WinRAR.exe (PID: 3280)
- Remcos Loader.exe (PID: 996)
- remcos.exe (PID: 1868)
- remcos.exe (PID: 2196)
- remcos.exe (PID: 628)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 3280)
Drops a file with a compile date too recent
- WinRAR.exe (PID: 3280)
INFO
Manual execution by user
- Remcos Loader.exe (PID: 996)
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
| ZipFileName: | REMCOS v1.7 Professional/ |
|---|---|
| ZipUncompressedSize: | - |
| ZipCompressedSize: | - |
| ZipCRC: | 0x00000000 |
| ZipModifyDate: | 2022:08:12 19:47:21 |
| ZipCompression: | None |
| ZipBitFlag: | - |
| ZipRequiredVersion: | 20 |
Total processes
42
Monitored processes
7
Malicious processes
6
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 628 | "C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe" | C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe | Remcos Loader.exe | ||||||||||||
User: admin Company: Breaking-Security.net Integrity Level: MEDIUM Description: REMCOS Remote Control & Surveillance Exit code: 0 Version: 1.7.0.0 Modules
| |||||||||||||||
| 912 | C:\Windows\Explorer.EXE | C:\Windows\Explorer.EXE | — | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 996 | "C:\Users\admin\Desktop\REMCOS v1.7 Professional\Remcos Loader.exe" | C:\Users\admin\Desktop\REMCOS v1.7 Professional\Remcos Loader.exe | — | Explorer.EXE | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1868 | "C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe" | C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe | Remcos Loader.exe | ||||||||||||
User: admin Company: Breaking-Security.net Integrity Level: MEDIUM Description: REMCOS Remote Control & Surveillance Exit code: 0 Version: 1.7.0.0 Modules
| |||||||||||||||
| 2196 | "C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe" | C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe | Remcos Loader.exe | ||||||||||||
User: admin Company: Breaking-Security.net Integrity Level: MEDIUM Description: REMCOS Remote Control & Surveillance Exit code: 0 Version: 1.7.0.0 Modules
| |||||||||||||||
| 3280 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\REMCOS v1.7 Professional_.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
| |||||||||||||||
| 3720 | "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe2_ Global\UsGthrCtrlFltPipeMssGthrPipe2 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" | C:\Windows\system32\SearchProtocolHost.exe | — | SearchIndexer.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft Windows Search Protocol Host Exit code: 0 Version: 7.00.7601.24542 (win7sp1_ldr_escrow.191209-2211) Modules
| |||||||||||||||
Total events
6 065
Read events
5 936
Write events
129
Delete events
0
Modification events
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3280) 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: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\REMCOS v1.7 Professional_.zip | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (3280) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
Executable files
3
Suspicious files
0
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3280 | WinRAR.exe | C:\Users\admin\Desktop\REMCOS v1.7 Professional\Remcos Loader.exe | executable | |
MD5:75792B5B38EDD028D13EEF62C0D828E6 | SHA256:B7F82678830C34DB745A16D5551386F15FF28FDA563F10C6903F6471A58E243E | |||
| 3280 | WinRAR.exe | C:\Users\admin\Desktop\REMCOS v1.7 Professional\remcos.exe | executable | |
MD5:ED1E424EA6F625968A334377E8AC629F | SHA256:1E5375B400F68C422804703390489B2CF3968C2A8BCCB0B5B3C55FE1D2E3C991 | |||
| 2196 | remcos.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\OnlineCheck_MT[1].htm | text | |
MD5:442D4F5216CD9DA1FD121655A23E8843 | SHA256:0A3706B1424059F3F718B8FBAA2DD145EA0FD1F8D950744CA78C7B32D2DFA4A8 | |||
| 3280 | WinRAR.exe | C:\Users\admin\Desktop\REMCOS v1.7 Professional\Remcos_Settings.ini | ini | |
MD5:— | SHA256:— | |||
| 3280 | WinRAR.exe | C:\Users\admin\Desktop\REMCOS v1.7 Professional\REMCOSAuthHooks.dll | executable | |
MD5:A329F92AD3B9311AF3130DBDE81155CE | SHA256:D695A2EE6FCAE64F4D8C4387A0A4C4AAE05D08CE44A52598984673B890D02F27 | |||
| 2196 | remcos.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\gettime[1].htm | text | |
MD5:D19021C3E24FFF276CE831D27901DB2B | SHA256:A51CE6D2543445BDA96479C74113F63C5FBA8C1DF87B0628D983683CB8970F82 | |||
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
5
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 |
|---|---|---|---|---|---|---|
2196 | remcos.exe | 216.58.212.132:80 | www.google.com | Google Inc. | US | whitelisted |
628 | remcos.exe | 216.58.212.132:80 | www.google.com | Google Inc. | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.google.com |
| malicious |
dns.msftncsi.com |
| shared |