Analysis Overview
SHA256
03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7
Threat Level: Known bad
The file 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe was found to be: Known bad.
Malicious Activity Summary
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Remcos family
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-03-30 02:00
Signatures
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-30 02:00
Reported
2024-03-30 02:03
Platform
win7-20240221-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Remcos
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1368 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1368 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1368 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1368 wrote to memory of 3004 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe
"C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe"
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
"C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | tcp |
Files
\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | 87d511193d3a18a10042d27541381ba3 |
| SHA1 | ad3efb0b8d860ebaf05a715a947b25dc0e917c24 |
| SHA256 | b7b21a2a9161f9e4439dacfad1edfc862025525d4b0dfa01aa1593bfffa992cf |
| SHA512 | be2399bf0b9f052e0846346996c4cf02e961abb9efd4b2d6b9201f03841daaa597b2fe35ae4ae200bd51538f14cdcd3510f2ecdcfc13c70dbaa296a0753a8bc5 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-30 02:00
Reported
2024-03-30 02:03
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1168 wrote to memory of 5028 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1168 wrote to memory of 5028 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1168 wrote to memory of 5028 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe
"C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe"
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
"C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 219.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 20.231.121.79:80 | tcp | |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 73.135.221.88.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | udp |
Files
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | 4e358cd5c7d22533870189fccd2e9fba |
| SHA1 | f6ab90fb2cd1adda3e483d5d5b3559c5eebd580a |
| SHA256 | da87473d7865cb1780a89c901a5bd8a629cd18441f3939278c19b9e99e0afe1e |
| SHA512 | 76e0312284dcbab5b8285c7387c0e903612d67faf784061f4f5949db0d2a525ef57eb7c22976e6f5a440277ce9dbde9a13b91916cdd176130b687fe3d1729719 |