Analysis Overview
SHA256
1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3
Threat Level: Known bad
The file 1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Credentials from Password Stores: Credentials from Web Browsers
Reads user/profile data of web browsers
Executes dropped EXE
Reads WinSCP keys stored on the system
Unsigned PE
Suspicious use of SetWindowsHookEx
Scheduled Task/Job: Scheduled Task
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-29 01:02
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
2024-07-29 01:02
Reported
2024-07-29 19:47
Platform
win7-20240705-en
Max time kernel
150s
Max time network
154s
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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.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\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe
"C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Chrome" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\browser\edge.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\browser\edge.exe
"C:\Users\Admin\AppData\Roaming\browser\edge.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Chrome" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\browser\edge.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp | |
| DE | 193.42.11.9:4329 | tcp |
Files
memory/2852-0-0x000007FEF5783000-0x000007FEF5784000-memory.dmp
memory/2852-1-0x0000000000250000-0x0000000000574000-memory.dmp
memory/2852-2-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
C:\Users\Admin\AppData\Roaming\browser\edge.exe
| MD5 | e3e1f7fa42dd68f410bb885f0aefe5e3 |
| SHA1 | d51edc519d86a11e6533cd4cac8f190dd3f7d4bb |
| SHA256 | 1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3 |
| SHA512 | 92ac0379074366a4dbb9235d8c61935be6d8086629611dbcdecdaf680a0a8636f7810d4f6394dbdee5b1e463842284ab9855534da4627677965557e8eb609aa3 |
memory/2832-7-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2832-10-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2852-9-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2832-8-0x0000000000F20000-0x0000000001244000-memory.dmp
memory/2832-11-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
memory/2832-12-0x000007FEF5780000-0x000007FEF616C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-29 01:02
Reported
2024-07-29 19:59
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
152s
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 |
Credentials from Password Stores: Credentials from Web Browsers
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | N/A |
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
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\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1940 wrote to memory of 988 | N/A | C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1940 wrote to memory of 988 | N/A | C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1940 wrote to memory of 3220 | N/A | C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | C:\Users\Admin\AppData\Roaming\browser\edge.exe |
| PID 1940 wrote to memory of 3220 | N/A | C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe | C:\Users\Admin\AppData\Roaming\browser\edge.exe |
| PID 3220 wrote to memory of 3156 | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3220 wrote to memory of 3156 | N/A | C:\Users\Admin\AppData\Roaming\browser\edge.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe
"C:\Users\Admin\AppData\Local\Temp\1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Chrome" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\browser\edge.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\browser\edge.exe
"C:\Users\Admin\AppData\Roaming\browser\edge.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Chrome" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\browser\edge.exe" /rl HIGHEST /f
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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| DE | 193.42.11.9:4329 | tcp | |
| US | 8.8.8.8:53 | ipwho.is | udp |
| US | 8.8.8.8:53 | 9.11.42.193.in-addr.arpa | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.27.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/1940-0-0x00007FF9253B3000-0x00007FF9253B5000-memory.dmp
memory/1940-1-0x0000000000E40000-0x0000000001164000-memory.dmp
memory/1940-2-0x00007FF9253B0000-0x00007FF925E71000-memory.dmp
C:\Users\Admin\AppData\Roaming\browser\edge.exe
| MD5 | e3e1f7fa42dd68f410bb885f0aefe5e3 |
| SHA1 | d51edc519d86a11e6533cd4cac8f190dd3f7d4bb |
| SHA256 | 1d686b05f745875e28939abe357baedd169b59f5a0d8825b602fd803a6303ba3 |
| SHA512 | 92ac0379074366a4dbb9235d8c61935be6d8086629611dbcdecdaf680a0a8636f7810d4f6394dbdee5b1e463842284ab9855534da4627677965557e8eb609aa3 |
memory/1940-9-0x00007FF9253B0000-0x00007FF925E71000-memory.dmp
memory/3220-8-0x00007FF9253B0000-0x00007FF925E71000-memory.dmp
memory/3220-10-0x00007FF9253B0000-0x00007FF925E71000-memory.dmp
memory/3220-11-0x0000000002870000-0x00000000028C0000-memory.dmp
memory/3220-12-0x000000001B610000-0x000000001B6C2000-memory.dmp
memory/3220-15-0x0000000002920000-0x0000000002932000-memory.dmp
memory/3220-16-0x000000001B470000-0x000000001B4AC000-memory.dmp
memory/3220-17-0x00007FF9253B0000-0x00007FF925E71000-memory.dmp