Analysis Overview
SHA256
282d6f5ddc83351dab51e6decc1293b078638f0cfd0baca4673afc8246fd32bd
Threat Level: Known bad
The file kreo q zi.7z was found to be: Known bad.
Malicious Activity Summary
Quasar RAT
Quasar family
Quasar payload
Executes dropped EXE
Uses Task Scheduler COM API
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-05 00:38
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-05 00:38
Reported
2024-11-05 00:41
Platform
win10ltsc2021-20241023-en
Max time kernel
93s
Max time network
107s
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:\Users\Admin\Desktop\kreo q zi.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\Desktop\kreo q zi.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 behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeRestorePrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: 35 | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
| N/A | N/A | C:\Program Files\7-Zip\7zFM.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2428 wrote to memory of 1704 | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2428 wrote to memory of 1704 | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 2428 wrote to memory of 1088 | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 2428 wrote to memory of 1088 | N/A | C:\Users\Admin\Desktop\kreo q zi.exe | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe |
| PID 1088 wrote to memory of 1624 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1088 wrote to memory of 1624 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\kreo q zi.7z"
C:\Users\Admin\Desktop\kreo q zi.exe
"C:\Users\Admin\Desktop\kreo q zi.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Users\Admin\Desktop\kreo q zi.exe
"C:\Users\Admin\Desktop\kreo q zi.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkappexec.microsoft.com | udp |
| GB | 13.87.96.169:443 | checkappexec.microsoft.com | tcp |
| US | 8.8.8.8:53 | 169.96.87.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | hola435-24858.portmap.host | udp |
| DE | 193.161.193.99:24858 | hola435-24858.portmap.host | tcp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 99.193.161.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.12.20.2.in-addr.arpa | udp |
Files
C:\Users\Admin\Desktop\kreo q zi.exe
| MD5 | 28ac02fc40c8f1c2a8989ee3c09a1372 |
| SHA1 | b182758b62a1482142c0fce4be78c786e08b7025 |
| SHA256 | 0fe81f9a51cf0068408de3c3605ce2033a00bd7ec90cc9516c38f6069e06433b |
| SHA512 | 2cbf2f6af46e5fae8e67144e1ac70bc748036c7adb7f7810d7d7d9f255ccf5d163cce07f11fb6526f9ab61c39f28bdf2356cc315b19a61cd2115612882eab767 |
memory/2428-4-0x00007FF9C4883000-0x00007FF9C4885000-memory.dmp
memory/2428-5-0x00000000000A0000-0x00000000003C4000-memory.dmp
memory/2428-6-0x00007FF9C4880000-0x00007FF9C5342000-memory.dmp
memory/2428-9-0x00007FF9C4880000-0x00007FF9C5342000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\kreo q zi.exe.log
| MD5 | b08c36ce99a5ed11891ef6fc6d8647e9 |
| SHA1 | db95af417857221948eb1882e60f98ab2914bf1d |
| SHA256 | cc9248a177495f45ec70b86c34fc5746c56730af36ace98ac7eb365dbafda674 |
| SHA512 | 07e62581eace395b0a9699d727761648103180c21155d84ea09140f9e1c9690705c419118545aa67a564334bbde32710225fe3aa92b0b4b4210cb91f0058b1ea |
memory/1088-13-0x000000001D020000-0x000000001D0D2000-memory.dmp
memory/1088-12-0x000000001CF10000-0x000000001CF60000-memory.dmp
memory/1088-16-0x000000001CFA0000-0x000000001CFB2000-memory.dmp
memory/1088-17-0x000000001DB20000-0x000000001DB5C000-memory.dmp