Analysis Overview
SHA256
993278405cabf3bb46e69f5784dacc4ac68ed04b5af84de962e15af2b9561618
Threat Level: Known bad
The file ChappoSpoofer.exe was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Quasar RAT
Quasar family
Executes dropped EXE
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-21 23:00
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
2024-04-21 23:00
Reported
2024-04-21 23:03
Platform
win7-20240220-en
Max time kernel
149s
Max time network
150s
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\SubDir\ChappoSpoofer.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\ChappoSpoofer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe
"C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp |
Files
memory/2960-0-0x0000000001140000-0x000000000146C000-memory.dmp
memory/2960-1-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp
memory/2960-2-0x000000001B420000-0x000000001B4A0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe
| MD5 | de96227eb0709f5bb30dde675b9e6dc4 |
| SHA1 | 7f3aafdce9b7dd050630e801e8e5b76a95b5e336 |
| SHA256 | 993278405cabf3bb46e69f5784dacc4ac68ed04b5af84de962e15af2b9561618 |
| SHA512 | a3b8df5efe2015bef35f7bdedc03b4c807e58241e057437d897bb1e3ca73e2fb46e68a65c8db3dfc24697851842677b0d88e58854d97345069e235fe3c68745e |
memory/2960-9-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp
memory/2024-8-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp
memory/2024-10-0x0000000001200000-0x000000000152C000-memory.dmp
memory/2024-11-0x000000001B290000-0x000000001B310000-memory.dmp
memory/2024-12-0x000007FEF50D0000-0x000007FEF5ABC000-memory.dmp
memory/2024-13-0x000000001B290000-0x000000001B310000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-21 23:00
Reported
2024-04-21 23:03
Platform
win10v2004-20240412-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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.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\ChappoSpoofer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1168 wrote to memory of 4728 | N/A | C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1168 wrote to memory of 4728 | N/A | C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 1168 wrote to memory of 3224 | N/A | C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe |
| PID 1168 wrote to memory of 3224 | N/A | C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe |
| PID 3224 wrote to memory of 1556 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3224 wrote to memory of 1556 | N/A | C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe
"C:\Users\Admin\AppData\Local\Temp\ChappoSpoofer.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe" /rl HIGHEST /f
C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe
"C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe" /rl HIGHEST /f
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.32.209.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| N/A | 192.168.137.178:4782 | tcp | |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| N/A | 192.168.137.178:4782 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| N/A | 192.168.137.178:4782 | tcp | |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 49.15.97.104.in-addr.arpa | udp |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | 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 | 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 |
| N/A | 192.168.137.178:4782 | tcp | |
| N/A | 192.168.137.178:4782 | tcp |
Files
memory/1168-0-0x00000000000E0000-0x000000000040C000-memory.dmp
memory/1168-1-0x00007FF9B2C80000-0x00007FF9B3741000-memory.dmp
memory/1168-2-0x000000001B1E0000-0x000000001B1F0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\ChappoSpoofer.exe
| MD5 | de96227eb0709f5bb30dde675b9e6dc4 |
| SHA1 | 7f3aafdce9b7dd050630e801e8e5b76a95b5e336 |
| SHA256 | 993278405cabf3bb46e69f5784dacc4ac68ed04b5af84de962e15af2b9561618 |
| SHA512 | a3b8df5efe2015bef35f7bdedc03b4c807e58241e057437d897bb1e3ca73e2fb46e68a65c8db3dfc24697851842677b0d88e58854d97345069e235fe3c68745e |
memory/3224-11-0x00007FF9B2C80000-0x00007FF9B3741000-memory.dmp
memory/1168-10-0x00007FF9B2C80000-0x00007FF9B3741000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\ChappoSpoofer.exe.log
| MD5 | baf55b95da4a601229647f25dad12878 |
| SHA1 | abc16954ebfd213733c4493fc1910164d825cac8 |
| SHA256 | ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924 |
| SHA512 | 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545 |
memory/3224-12-0x0000000002CC0000-0x0000000002CD0000-memory.dmp
memory/3224-13-0x000000001C1A0000-0x000000001C1F0000-memory.dmp
memory/3224-14-0x000000001C2B0000-0x000000001C362000-memory.dmp
memory/3224-15-0x00007FF9B2C80000-0x00007FF9B3741000-memory.dmp
memory/3224-16-0x0000000002CC0000-0x0000000002CD0000-memory.dmp
memory/3224-17-0x000000001CBE0000-0x000000001D108000-memory.dmp