Analysis Overview
SHA256
139ce0f6ed1d745a6776f831c641b2b30bb8d48ecd9c198a0b4bd8489899f60e
Threat Level: Known bad
The file Token Generator.exe was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-27 22:23
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
2024-05-27 22:23
Reported
2024-05-27 22:30
Platform
win10v2004-20240508-en
Max time kernel
145s
Max time network
149s
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\$77-Rootkit\$77-powershell.exe | N/A |
Creates scheduled task(s)
| 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\Token Generator.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1544 wrote to memory of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\Token Generator.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1544 wrote to memory of 4352 | N/A | C:\Users\Admin\AppData\Local\Temp\Token Generator.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1544 wrote to memory of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\Token Generator.exe | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe |
| PID 1544 wrote to memory of 4972 | N/A | C:\Users\Admin\AppData\Local\Temp\Token Generator.exe | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe |
| PID 4972 wrote to memory of 4748 | N/A | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 4972 wrote to memory of 4748 | N/A | C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Token Generator.exe
"C:\Users\Admin\AppData\Local\Temp\Token Generator.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe
"C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Discord" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe" /rl HIGHEST /f
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 --field-trial-handle=4836,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:8
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 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | uk2.localto.net | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| 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 | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| US | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
| GB | 140.238.91.110:6103 | uk2.localto.net | tcp |
Files
memory/1544-0-0x00007FFCAD333000-0x00007FFCAD335000-memory.dmp
memory/1544-1-0x0000000000740000-0x0000000000A64000-memory.dmp
memory/1544-2-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp
C:\Users\Admin\AppData\Roaming\$77-Rootkit\$77-powershell.exe
| MD5 | 6d2ad4ada4961027832e557db06fc08d |
| SHA1 | 816018499f5e291850d7dd2a0d15c914e5607630 |
| SHA256 | 139ce0f6ed1d745a6776f831c641b2b30bb8d48ecd9c198a0b4bd8489899f60e |
| SHA512 | 1d99985c99fa16f712eee5604279463e18e77532e7a1586651178685ef38ba25b099c393edc44f2703d7e9f4ce7596b86ba3d9f0e00119e13474816a2186f241 |
memory/1544-10-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp
memory/4972-9-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp
memory/4972-11-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp
memory/4972-12-0x000000001BB60000-0x000000001BBB0000-memory.dmp
memory/4972-13-0x000000001BC70000-0x000000001BD22000-memory.dmp
memory/4972-14-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp