Analysis Overview
SHA256
d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a
Threat Level: Known bad
The file d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe was found to be: Known bad.
Malicious Activity Summary
Quasar family
Quasar RAT
Quasar payload
Executes dropped EXE
Drops file in System32 directory
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-04 02:55
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-04 02:55
Reported
2024-11-04 02:58
Platform
win7-20240903-en
Max time kernel
147s
Max time network
150s
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 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 |
| 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 |
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 |
Files
memory/2336-0-0x000007FEF6513000-0x000007FEF6514000-memory.dmp
memory/2336-1-0x0000000000950000-0x0000000000C74000-memory.dmp
memory/2336-2-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/2440-8-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
memory/2440-9-0x0000000000870000-0x0000000000B94000-memory.dmp
memory/2336-10-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
memory/2440-11-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
memory/2440-12-0x000007FEF6510000-0x000007FEF6EFC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-04 02:55
Reported
2024-11-04 02:57
Platform
win10v2004-20241007-en
Max time kernel
150s
Max time network
150s
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 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 |
| 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 |
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 1680 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1680 wrote to memory of 2216 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1680 wrote to memory of 3384 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 1680 wrote to memory of 3384 | N/A | C:\Users\Admin\AppData\Local\Temp\d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 3384 wrote to memory of 3460 | N/A | C:\Windows\system32\ sys64\sys.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3384 wrote to memory of 3460 | 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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.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 | udp |
Files
memory/1680-0-0x00007FF9A4FC3000-0x00007FF9A4FC5000-memory.dmp
memory/1680-1-0x0000000000320000-0x0000000000644000-memory.dmp
memory/1680-2-0x00007FF9A4FC0000-0x00007FF9A5A81000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/3384-9-0x00007FF9A4FC0000-0x00007FF9A5A81000-memory.dmp
memory/1680-10-0x00007FF9A4FC0000-0x00007FF9A5A81000-memory.dmp
memory/3384-11-0x00007FF9A4FC0000-0x00007FF9A5A81000-memory.dmp
memory/3384-12-0x000000001B7F0000-0x000000001B840000-memory.dmp
memory/3384-13-0x000000001C060000-0x000000001C112000-memory.dmp
memory/3384-16-0x000000001B870000-0x000000001B882000-memory.dmp
memory/3384-17-0x000000001BFE0000-0x000000001C01C000-memory.dmp
memory/3384-18-0x00007FF9A4FC0000-0x00007FF9A5A81000-memory.dmp