Analysis Overview
SHA256
a003924092f4eed3281ccd3f82d95548a809a09436ee07b01b6d738a7c1f809d
Threat Level: Known bad
The file Rat remove.bat was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Looks up external IP address via web service
Adds Run key to start application
Unsigned PE
Scheduled Task/Job: Scheduled Task
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-27 22:53
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: behavioral1
Detonation Overview
Submitted
2024-06-27 22:53
Reported
2024-06-27 22:56
Platform
win10v2004-20240226-en
Max time kernel
156s
Max time network
176s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender Anti-Malware Disable Startup = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Rat remove.exe\"" | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Scheduled Task/Job: Scheduled Task
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3248 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3248 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | C:\Windows\SysWOW64\schtasks.exe |
| PID 3248 wrote to memory of 4508 | N/A | C:\Users\Admin\AppData\Local\Temp\Rat remove.exe | C:\Windows\SysWOW64\schtasks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Rat remove.exe
"C:\Users\Admin\AppData\Local\Temp\Rat remove.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
C:\Windows\SysWOW64\schtasks.exe
"schtasks" /create /tn "Windows Defender Anti-Malware Disable Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Rat remove.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.15.31.184.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | github.com | udp |
| GB | 20.26.156.215:443 | github.com | tcp |
| US | 147.185.221.20:47638 | tcp | |
| US | 8.8.8.8:53 | 20.221.185.147.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 215.156.26.20.in-addr.arpa | udp |
Files
memory/3248-0-0x000000007486E000-0x000000007486F000-memory.dmp
memory/3248-1-0x0000000000F40000-0x0000000000FAC000-memory.dmp
memory/3248-2-0x000000007486E000-0x000000007486F000-memory.dmp
memory/3248-3-0x0000000005F40000-0x00000000064E4000-memory.dmp
memory/3248-4-0x0000000001860000-0x00000000018F2000-memory.dmp
memory/3248-5-0x0000000074860000-0x0000000075010000-memory.dmp
memory/3248-6-0x0000000001900000-0x0000000001966000-memory.dmp
memory/3248-7-0x0000000074860000-0x0000000075010000-memory.dmp
memory/3248-8-0x0000000005ED0000-0x0000000005EE2000-memory.dmp
memory/3248-9-0x0000000006AD0000-0x0000000006B0C000-memory.dmp
memory/3248-10-0x00000000075E0000-0x00000000075EA000-memory.dmp