Analysis Overview
SHA256
0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799
Threat Level: Known bad
The file 0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799 was found to be: Known bad.
Malicious Activity Summary
Remcos
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-10 09:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-10 09:31
Reported
2024-04-10 09:34
Platform
win7-20240319-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\bin = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2610426812-2871295383-373749122-1000\Software\Microsoft\Windows\CurrentVersion\Run\bin = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2228 set thread context of 2484 | N/A | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe |
| PID 2872 set thread context of 2620 | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe
"C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe"
C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe
"C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
C:\Windows\SysWOW64\PING.EXE
PING 127.0.0.1 -n 2
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
"C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
"C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
Files
memory/2228-0-0x0000000000870000-0x0000000000922000-memory.dmp
memory/2228-1-0x0000000074800000-0x0000000074EEE000-memory.dmp
memory/2228-2-0x00000000049B0000-0x00000000049F0000-memory.dmp
memory/2228-3-0x0000000000850000-0x0000000000860000-memory.dmp
memory/2228-4-0x0000000074800000-0x0000000074EEE000-memory.dmp
memory/2228-5-0x00000000049B0000-0x00000000049F0000-memory.dmp
memory/2228-6-0x0000000005480000-0x000000000551C000-memory.dmp
memory/2228-7-0x0000000004150000-0x000000000416E000-memory.dmp
memory/2484-8-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-9-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-10-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-11-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-12-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2484-15-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2228-18-0x0000000074800000-0x0000000074EEE000-memory.dmp
memory/2484-17-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2484-19-0x0000000000400000-0x0000000000417000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.bat
| MD5 | 76c1687d97dfdbcea62ef1490bec5001 |
| SHA1 | 5f4d1aeafa7d840cde67b76f97416dd68efd1bed |
| SHA256 | 79f04ea049979ffd2232c459fdd57fae97a5255aea9b4a2c7dce7ead856f37a4 |
| SHA512 | da250f0628632a644f159d818a82a8b9cca8224e46843bddbe0f6f9c32a2d04f7736a620af49ab6d77616317ca7d68285e60043965fe86c03d940835bd30a925 |
memory/2484-29-0x0000000000400000-0x0000000000417000-memory.dmp
\Users\Admin\AppData\Roaming\remcos\remcos.exe
| MD5 | 51da9d817874e8eb7020e708e263f79a |
| SHA1 | 2f175ccb80f9103865bf89c0c9ea7754a6d99ba3 |
| SHA256 | 0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799 |
| SHA512 | 366875c7f4af27f74c7603fed936bbb9ecb0f6bf2e37b2ff9f00643ab1df2753930721c41ac09cce882ca577e98ad369adb7658759f34070bc165c3aeb8de82b |
memory/2872-35-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2872-34-0x0000000000CE0000-0x0000000000D92000-memory.dmp
memory/2872-36-0x0000000002220000-0x0000000002260000-memory.dmp
memory/2872-37-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2872-38-0x0000000002220000-0x0000000002260000-memory.dmp
memory/2620-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2620-54-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2872-55-0x00000000747B0000-0x0000000074E9E000-memory.dmp
memory/2620-57-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2620-59-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2620-61-0x0000000000400000-0x0000000000417000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-10 09:31
Reported
2024-04-10 09:34
Platform
win10v2004-20240226-en
Max time kernel
156s
Max time network
159s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bin = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bin = "\"C:\\Users\\Admin\\AppData\\Roaming\\remcos\\remcos.exe\"" | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3264 set thread context of 2732 | N/A | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe | C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe |
| PID 956 set thread context of 4780 | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\remcos\remcos.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe
"C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe"
C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe
"C:\Users\Admin\AppData\Local\Temp\0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
C:\Windows\SysWOW64\PING.EXE
PING 127.0.0.1 -n 2
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
"C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
"C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | 169.117.168.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
| US | 8.8.8.8:53 | newremc22.ddns.net | udp |
Files
memory/3264-1-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/3264-0-0x0000000000EB0000-0x0000000000F62000-memory.dmp
memory/3264-2-0x0000000005FA0000-0x0000000006544000-memory.dmp
memory/3264-3-0x00000000059F0000-0x0000000005A82000-memory.dmp
memory/3264-4-0x0000000005BA0000-0x0000000005BB0000-memory.dmp
memory/3264-5-0x0000000005970000-0x000000000597A000-memory.dmp
memory/3264-6-0x0000000005F90000-0x0000000005FA0000-memory.dmp
memory/3264-7-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/3264-8-0x0000000005BA0000-0x0000000005BB0000-memory.dmp
memory/3264-9-0x0000000007300000-0x000000000739C000-memory.dmp
memory/3264-10-0x00000000074B0000-0x000000000754C000-memory.dmp
memory/3264-11-0x0000000007570000-0x000000000758E000-memory.dmp
memory/2732-12-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2732-15-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3264-16-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/2732-17-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2732-22-0x0000000000400000-0x0000000000417000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\install.bat
| MD5 | 76c1687d97dfdbcea62ef1490bec5001 |
| SHA1 | 5f4d1aeafa7d840cde67b76f97416dd68efd1bed |
| SHA256 | 79f04ea049979ffd2232c459fdd57fae97a5255aea9b4a2c7dce7ead856f37a4 |
| SHA512 | da250f0628632a644f159d818a82a8b9cca8224e46843bddbe0f6f9c32a2d04f7736a620af49ab6d77616317ca7d68285e60043965fe86c03d940835bd30a925 |
C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
| MD5 | 51da9d817874e8eb7020e708e263f79a |
| SHA1 | 2f175ccb80f9103865bf89c0c9ea7754a6d99ba3 |
| SHA256 | 0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799 |
| SHA512 | 366875c7f4af27f74c7603fed936bbb9ecb0f6bf2e37b2ff9f00643ab1df2753930721c41ac09cce882ca577e98ad369adb7658759f34070bc165c3aeb8de82b |
memory/956-27-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/956-28-0x0000000005480000-0x0000000005490000-memory.dmp
memory/956-29-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/956-30-0x0000000005480000-0x0000000005490000-memory.dmp
memory/4780-35-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4780-37-0x0000000000400000-0x0000000000417000-memory.dmp
memory/956-38-0x0000000074DC0000-0x0000000075570000-memory.dmp
memory/4780-40-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4780-42-0x0000000000400000-0x0000000000417000-memory.dmp