Analysis Overview
SHA256
07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db
Threat Level: Known bad
The file 07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db was found to be: Known bad.
Malicious Activity Summary
UPX dump on OEP (original entry point)
UPX dump on OEP (original entry point)
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 18:21
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 18:21
Reported
2024-04-07 18:24
Platform
win7-20240220-en
Max time kernel
140s
Max time network
119s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2912 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
| PID 2912 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
| PID 2912 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
| PID 2912 wrote to memory of 2996 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe
"C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2912-0-0x0000000000920000-0x0000000000937000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 286211b8e0aad0533c45d8b8c351cc70 |
| SHA1 | cb54a305a566c00742fb972c4ee62266e880ea78 |
| SHA256 | 1955407b2fd523e375303d560b987216b95105b421a8471218c0b65ceba847f3 |
| SHA512 | 91eddd484a40aee3a7a9254fd6843b3d9dd455e6a2c4d685d499ab1704d8644a6dc604ad14449e96b0754ae3e6c1c14c16d068605aa4e39840e0421aa7a4be35 |
memory/2912-12-0x00000000002F0000-0x0000000000307000-memory.dmp
memory/2912-9-0x0000000000920000-0x0000000000937000-memory.dmp
memory/2912-8-0x00000000002F0000-0x0000000000307000-memory.dmp
memory/2996-13-0x0000000000CF0000-0x0000000000D07000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bj88cpKBWK3W0Sc.exe
| MD5 | 21ac1192d5ef5d89cab17671df0c89a9 |
| SHA1 | fd5eccff33f8fa4ea7b27dea52d8cb810e30638d |
| SHA256 | 7dea05bbe778cd3c7547734aea1da5e91f7ae786d5b8ff6ca1456d6e3dd602fd |
| SHA512 | 26f1a30a9ac40b3ecc05fbccbb11ca05c9156f37ef8db35c3014b618b0a62a52e0452377f833aa5cc559fde55fb42c6a13e902450c678206e04d802ac5c4550c |
memory/2912-19-0x00000000002F0000-0x0000000000307000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 18:21
Reported
2024-04-07 18:24
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
151s
Command Line
Signatures
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1804 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
| PID 1804 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
| PID 1804 wrote to memory of 3024 | N/A | C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe
"C:\Users\Admin\AppData\Local\Temp\07f62baa55ebe10d5e77b3a8f8a853fdb65586f10f8b421e146b448fd784c2db.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.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 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
Files
memory/1804-0-0x0000000000940000-0x0000000000957000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 286211b8e0aad0533c45d8b8c351cc70 |
| SHA1 | cb54a305a566c00742fb972c4ee62266e880ea78 |
| SHA256 | 1955407b2fd523e375303d560b987216b95105b421a8471218c0b65ceba847f3 |
| SHA512 | 91eddd484a40aee3a7a9254fd6843b3d9dd455e6a2c4d685d499ab1704d8644a6dc604ad14449e96b0754ae3e6c1c14c16d068605aa4e39840e0421aa7a4be35 |
memory/1804-8-0x0000000000940000-0x0000000000957000-memory.dmp
memory/3024-9-0x0000000000320000-0x0000000000337000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | e3ec22e12bd6ec70f8024cdc00975e45 |
| SHA1 | 26a17a11ed3de172ae9c60374eed698834889127 |
| SHA256 | 142f55f3c94a634d08afcfb963fa19d86df8b2d86ede6be649d1d177667f3044 |
| SHA512 | 2b1aac771f9d5b8f771da95e0bdcd450e418a38c9505247a04d6d0e225950852299e635bd0e700113d68bdde5e534b15710cca289795aa2b10691985f9576800 |
C:\Users\Admin\AppData\Local\Temp\yI47K1NsiPy1Qu3.exe
| MD5 | 04499faa01bc85a17b751cabf58f5da3 |
| SHA1 | d9ecc80360870e03f8402d7fb19f90a3767ec48f |
| SHA256 | 6f2ed6065ec2c057cf3997eebc723551407c00457e8bb79bc9cc83abc98ad729 |
| SHA512 | ea05fe8e2bcea768019a730efd324a2b920005e0a07e0f98eb1015de8f8f3cfd4d2962b7def3ba853ee641bfeb8e842a0de44657cb25d51186bd9d83d652e416 |