Analysis Overview
SHA256
d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a
Threat Level: Known bad
The file d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Executes dropped EXE
Drops file in System32 directory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 14:10
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 14:10
Reported
2024-11-04 14:12
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
137s
Command Line
Signatures
Quasar RAT
Quasar family
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:\Windows\system32\ sys64\sys.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Windows\system32\ sys64\sys.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Windows\system32\ sys64\sys.exe | N/A |
| File created | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\ sys64\sys.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1028 wrote to memory of 3492 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1028 wrote to memory of 3492 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1028 wrote to memory of 5068 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 1028 wrote to memory of 5068 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 5068 wrote to memory of 5072 | N/A | C:\Windows\system32\ sys64\sys.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 5068 wrote to memory of 5072 | N/A | C:\Windows\system32\ sys64\sys.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe
"C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Skype" /sc ONLOGON /tr "C:\Windows\system32\ sys64\sys.exe" /rl HIGHEST /f
C:\Windows\system32\ sys64\sys.exe
"C:\Windows\system32\ sys64\sys.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Skype" /sc ONLOGON /tr "C:\Windows\system32\ sys64\sys.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| TR | 45.95.214.119:1604 | tcp | |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 119.214.95.45.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 70.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/1028-0-0x00007FF814CB3000-0x00007FF814CB5000-memory.dmp
memory/1028-1-0x0000000000650000-0x0000000000974000-memory.dmp
memory/1028-2-0x00007FF814CB0000-0x00007FF815771000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/5068-10-0x00007FF814CB0000-0x00007FF815771000-memory.dmp
memory/1028-9-0x00007FF814CB0000-0x00007FF815771000-memory.dmp
memory/5068-11-0x00007FF814CB0000-0x00007FF815771000-memory.dmp
memory/5068-12-0x000000001BE10000-0x000000001BE60000-memory.dmp
memory/5068-13-0x000000001BF20000-0x000000001BFD2000-memory.dmp
memory/5068-16-0x000000001BEA0000-0x000000001BEB2000-memory.dmp
memory/5068-17-0x000000001C620000-0x000000001C65C000-memory.dmp
memory/5068-18-0x00007FF814CB0000-0x00007FF815771000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 14:10
Reported
2024-11-04 14:12
Platform
win7-20241010-en
Max time kernel
149s
Max time network
153s
Command Line
Signatures
Quasar RAT
Quasar family
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\ sys64\sys.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Windows\system32\ sys64\sys.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Windows\system32\ sys64\sys.exe | N/A |
| File created | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\ sys64\sys.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe
"C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Skype" /sc ONLOGON /tr "C:\Windows\system32\ sys64\sys.exe" /rl HIGHEST /f
C:\Windows\system32\ sys64\sys.exe
"C:\Windows\system32\ sys64\sys.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Skype" /sc ONLOGON /tr "C:\Windows\system32\ sys64\sys.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp | |
| TR | 45.95.214.119:1604 | tcp |
Files
memory/2820-0-0x000007FEF6423000-0x000007FEF6424000-memory.dmp
memory/2820-1-0x00000000000B0000-0x00000000003D4000-memory.dmp
memory/2820-2-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/2820-8-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp
memory/2880-9-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp
memory/2880-10-0x00000000003E0000-0x0000000000704000-memory.dmp
memory/2880-11-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp
memory/2880-12-0x000007FEF6420000-0x000007FEF6E0C000-memory.dmp