Analysis Overview
SHA256
d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a
Threat Level: Known bad
The file 1EAAC929BFEC99FBB06CF9871C9093BA.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Executes dropped EXE
Drops file in System32 directory
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-03 09:41
Signatures
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-03 09:41
Reported
2024-11-03 09:43
Platform
win7-20241010-en
Max time kernel
147s
Max time network
152s
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\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\1EAAC929BFEC99FBB06CF9871C9093BA.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.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\1EAAC929BFEC99FBB06CF9871C9093BA.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\1EAAC929BFEC99FBB06CF9871C9093BA.exe
"C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.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 |
Files
memory/1064-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp
memory/1064-1-0x00000000009F0000-0x0000000000D14000-memory.dmp
memory/1064-2-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/2800-8-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
memory/2800-9-0x0000000000F40000-0x0000000001264000-memory.dmp
memory/1064-10-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
memory/2800-11-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
memory/2800-12-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-03 09:41
Reported
2024-11-03 09:43
Platform
win10v2004-20241007-en
Max time kernel
135s
Max time network
139s
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\1EAAC929BFEC99FBB06CF9871C9093BA.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64\sys.exe | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | N/A |
| File opened for modification | C:\Windows\system32\ sys64 | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.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\1EAAC929BFEC99FBB06CF9871C9093BA.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\ sys64\sys.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4312 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4312 wrote to memory of 2676 | N/A | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4312 wrote to memory of 1228 | N/A | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 4312 wrote to memory of 1228 | N/A | C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.exe | C:\Windows\system32\ sys64\sys.exe |
| PID 1228 wrote to memory of 3448 | N/A | C:\Windows\system32\ sys64\sys.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1228 wrote to memory of 3448 | 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\1EAAC929BFEC99FBB06CF9871C9093BA.exe
"C:\Users\Admin\AppData\Local\Temp\1EAAC929BFEC99FBB06CF9871C9093BA.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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.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 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.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 | 55.36.223.20.in-addr.arpa | udp |
Files
memory/4312-0-0x00007FFC9E503000-0x00007FFC9E505000-memory.dmp
memory/4312-1-0x0000000000AC0000-0x0000000000DE4000-memory.dmp
memory/4312-2-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp
C:\Windows\System32\ sys64\sys.exe
| MD5 | 1eaac929bfec99fbb06cf9871c9093ba |
| SHA1 | d9b10f8785e173e2f210a36dc10db3367a076338 |
| SHA256 | d08fbce12159858a1e805002d0100ad264d527df79f9c078bcb70737588cb03a |
| SHA512 | 776168a0584fdf426c3e26289bcf8f918c63da20b04013b7fc0c920da2620c3e08b1857c13fadf7dc61109d2afc964f6493b2b74e815109238941246db4d0752 |
memory/1228-9-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp
memory/1228-10-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp
memory/1228-11-0x000000001C0E0000-0x000000001C130000-memory.dmp
memory/1228-12-0x000000001C710000-0x000000001C7C2000-memory.dmp
memory/1228-15-0x000000001BFC0000-0x000000001BFD2000-memory.dmp
memory/1228-16-0x000000001C690000-0x000000001C6CC000-memory.dmp
memory/4312-17-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp
memory/1228-18-0x00007FFC9E500000-0x00007FFC9EFC1000-memory.dmp