Analysis Overview
SHA256
d2835aa9243d529d8d44846d383f97f1bb7b976bc4c378d29d2387d1ba6c1d09
Threat Level: Known bad
The file f0207a4a17b47cba7d87142363b12477.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar family
Quasar RAT
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2023-12-14 08:15
Signatures
Quasar family
Quasar payload
| 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: behavioral2
Detonation Overview
Submitted
2023-12-14 08:15
Reported
2023-12-14 08:17
Platform
win10v2004-20231127-en
Max time kernel
150s
Max time network
142s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| 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:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4908 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe |
| PID 4908 wrote to memory of 2752 | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe
"C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe"
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 209.178.17.96.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp |
Files
memory/4908-0-0x00000000009E0000-0x0000000000D06000-memory.dmp
memory/4908-1-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/4908-2-0x000000001B940000-0x000000001B950000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe
| MD5 | f0207a4a17b47cba7d87142363b12477 |
| SHA1 | c2203e69e92e6ba6394e6f711429fadf8b65845e |
| SHA256 | d2835aa9243d529d8d44846d383f97f1bb7b976bc4c378d29d2387d1ba6c1d09 |
| SHA512 | 35f37bb38a070220dbe9f6511ab5bf8bca07fae46b5edefa5356a9294fc98b97735719410887b40776a7232711620f5c92f6bb45a7a54d597faef675196da810 |
memory/2752-8-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/4908-9-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/2752-10-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
memory/2752-11-0x000000001BAD0000-0x000000001BB20000-memory.dmp
memory/2752-12-0x000000001BBE0000-0x000000001BC92000-memory.dmp
memory/2752-13-0x00007FFCCD0C0000-0x00007FFCCDB81000-memory.dmp
memory/2752-14-0x000000001B1D0000-0x000000001B1E0000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-14 08:15
Reported
2023-12-14 08:17
Platform
win7-20231023-en
Max time kernel
147s
Max time network
123s
Command Line
Signatures
Quasar RAT
Quasar payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2852 wrote to memory of 2904 | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe |
| PID 2852 wrote to memory of 2904 | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe |
| PID 2852 wrote to memory of 2904 | N/A | C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe | C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe
"C:\Users\Admin\AppData\Local\Temp\f0207a4a17b47cba7d87142363b12477.exe"
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp |
Files
memory/2852-0-0x00000000011B0000-0x00000000014D6000-memory.dmp
memory/2852-1-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp
memory/2852-2-0x000000001B550000-0x000000001B5D0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe
| MD5 | 429de06914d1e1a5cf09dd755484477b |
| SHA1 | 145a12277186734a6ef5c797be7b8c8a88e39741 |
| SHA256 | 38a5b3dd3704940537ab05d6e620a4b3c043552810cfc396b918da9915b77152 |
| SHA512 | 8ef1808c5aa2846ca9b98ec8876d23d8000b578e57a9e5b2a6e1364a5636d18ee1968a0a2f672b69ff7c8a8704498dbc9db7c3d1c575594cddafe48b9f8aed6a |
C:\Users\Admin\AppData\Roaming\SubDir\Synecs.exe
| MD5 | df53c8bb353c99a68b7a08e825eb9f69 |
| SHA1 | ca55da52c540241dfa36a8a916323374f3c4a0ce |
| SHA256 | c6fa1f2359fe0441ca266220d4e0696e0e713c5bde4dc40e3e5ab7c4bca16515 |
| SHA512 | fd80f62c5b309252f6678c003dbb38943baed7efaf2da7a36e081c13023eb3785daa6a89941bd4021937126390a715a5be705ad47513d3a8b87f203d97b97ed0 |
memory/2904-7-0x0000000000DA0000-0x00000000010C6000-memory.dmp
memory/2852-9-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp
memory/2904-8-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp
memory/2904-10-0x000007FEF5E90000-0x000007FEF687C000-memory.dmp
memory/2904-11-0x000000001B150000-0x000000001B1D0000-memory.dmp