Analysis Overview
SHA256
49fe26a62638e9be791c9f21526edb58ef51f3f8182cbb1a1938c3f6d1f15002
Threat Level: Known bad
The file 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.zip was found to be: Known bad.
Malicious Activity Summary
Remcos family
Remcos
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-02 10:33
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 10:33
Reported
2024-04-02 10:36
Platform
win7-20240221-en
Max time kernel
150s
Max time network
153s
Command Line
Signatures
Remcos
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-1-5-21-406356229-2805545415-1236085040-1000\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-1-5-21-406356229-2805545415-1236085040-1000\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 756 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 756 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 756 wrote to memory of 1740 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 756 wrote to memory of 1740 | 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 |
| 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 | tcp |
Files
\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | b19584299df76dab4ae8a9873d9bf58a |
| SHA1 | 8b1f8bec8d59d638752397ab3ecbb5855a44ec2f |
| SHA256 | 0c8a76afd9f198b72b1cd0ad9026e5079374ed958f766ed9d386e2a449342897 |
| SHA512 | 6c216e826a93690f2034b556fdf11c2c9b16356ebf7524147671c0967acffb5d9f6c7d0b030f732fa309ab82c1db8b82c6cc5e282a327deb9910cca0c704daff |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 10:33
Reported
2024-04-02 10:35
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
152s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\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-1-5-21-566096764-1992588923-1249862864-1000\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-1-5-21-566096764-1992588923-1249862864-1000\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 916 wrote to memory of 1752 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 916 wrote to memory of 1752 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 916 wrote to memory of 1752 | 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 | 217.106.137.52.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 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.159.190.20.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 | 28.118.140.52.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 |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.66.18.2.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 |
| 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 | 202.110.86.104.in-addr.arpa | udp |
| 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 |
| 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 |
| US | 8.8.8.8:53 | 89.65.42.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | 0a77bd5ca249b9611d38144a0696d195 |
| SHA1 | bc0ab193214564a9f744d81dda95594c739797b6 |
| SHA256 | efca784533d962e0a477cee88a09eb218bc34ed39e1cf15add1379219d40639a |
| SHA512 | 6f927468e21134934c3c37090f67cd1bd073e48ee1fa635f954dde1777a66a7ebec705d080083e32235a2cf2bfed42740bf0918055fd0e4ea4ecf7f8edde0c45 |