Analysis Overview
SHA256
669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e
Threat Level: Known bad
The file 669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Drops startup file
Executes dropped EXE
AutoIT Executable
Unsigned PE
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-04-05 13:21
Signatures
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-05 13:21
Reported
2024-04-05 13:23
Platform
win7-20231129-en
Max time kernel
121s
Max time network
125s
Command Line
Signatures
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe
"C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe"
Network
Files
memory/2948-10-0x0000000000790000-0x0000000000794000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-05 13:21
Reported
2024-04-05 13:23
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
155s
Command Line
Signatures
Remcos
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.vbs | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
AutoIT Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\directory\name.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 968 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | C:\Users\Admin\AppData\Local\directory\name.exe |
| PID 968 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | C:\Users\Admin\AppData\Local\directory\name.exe |
| PID 968 wrote to memory of 1240 | N/A | C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe | C:\Users\Admin\AppData\Local\directory\name.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe
"C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe"
C:\Users\Admin\AppData\Local\directory\name.exe
"C:\Users\Admin\AppData\Local\Temp\669813c7b004be6e4fbb29350c526cefa094da76e72bd9914ddd0e84ef03111e.exe"
Network
| Country | Destination | Domain | Proto |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 122.136.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| NL | 193.222.96.75:8823 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.in-addr.arpa | udp |
| NL | 193.222.96.75:8823 | tcp | |
| US | 8.8.8.8:53 | 130.136.73.23.in-addr.arpa | udp |
| NL | 193.222.96.75:8823 | tcp | |
| NL | 193.222.96.75:8823 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| NL | 193.222.96.75:8823 | tcp | |
| NL | 193.222.96.75:8823 | tcp | |
| US | 8.8.8.8:53 | 200.64.52.20.in-addr.arpa | udp |
Files
memory/968-10-0x0000000004050000-0x0000000004054000-memory.dmp
C:\Users\Admin\AppData\Local\directory\name.exe
| MD5 | 6bc085f01b9d2ad107bcd26eb213452f |
| SHA1 | 4bd66c0e667e2ae0246ea14ba2820cda4f2a47ea |
| SHA256 | 0a02e24506da301d164396cd47cefcea284f886d211d769888e4ca62ee2df9ba |
| SHA512 | 43e0b2e92e7e600bf6750919d662deb459851ce3b0aef0b706dc3682052f79e400c13efb782da78dfaeb07078cba968d1cf39befb437a111290cf541e59a7b3c |
C:\Users\Admin\AppData\Local\Temp\ageless
| MD5 | ffa2e5ab3b36f5f9ae74cff2a038c1d4 |
| SHA1 | 8ed7f9cf5089d8361dac06205f5d4567dd8006f9 |
| SHA256 | afb5de202275b56fd3f692015b0ce44536db0db7659d392f9dc94d58da87c8f7 |
| SHA512 | 4775cfe9550daa79fae22c204b118bffc293059110250456b69b6539594d0d3dbe7dedec6cc53aea1890d88340489a993312f0d887453d3702f8a12c7cbb2492 |
C:\Users\Admin\AppData\Local\Temp\scroll
| MD5 | d0d973e17f4f9faff0bd11e10be35a45 |
| SHA1 | 8f6f95ff9d4d5ec970e1ce58902122bd682d8828 |
| SHA256 | bc16cad3c5fcd0da9deb63a3ac44b660c6a979b1be970d526feff7cdae679f52 |
| SHA512 | 2e34d179a064b44043350b80a44601a5732d5ee79b201ab517af64bd806a535550288f2d13c2e961e4ca58ef63a0009a5073233619f3e912e3643434e0520367 |
memory/1240-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-41-0x0000000000400000-0x0000000000482000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 97004072dc603fb8911c18d0d81e1ecc |
| SHA1 | 585427098a26e860c9e3fd96f48f6289ed69b49e |
| SHA256 | e0967f2731fdae9e6a101443d526e052b468ebf4e507da7b0a74bedf77d71e72 |
| SHA512 | 477cc3b8945a92c47d6343e658584ce9c91b149124d8ddb3bf2c0bb57e454ba73b2c0e93e8521227777f1ba1568091c1f9fa1476c91b7d662f16aae02ec1f4e2 |
memory/1240-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-65-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1240-67-0x0000000000400000-0x0000000000482000-memory.dmp