Analysis Overview
SHA256
d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833
Threat Level: Known bad
The file d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833 was found to be: Known bad.
Malicious Activity Summary
Quasar payload
Detects Windows executables referencing non-Windows User-Agents
Detects executables containing common artifacts observed in infostealers
Quasar family
Quasar RAT
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Detects Windows executables referencing non-Windows User-Agents
Detects executables containing common artifacts observed in infostealers
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Executes dropped EXE
Checks computer location settings
Legitimate hosting services abused for malware hosting/C2
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SendNotifyMessage
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-12 01:57
Signatures
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables containing common artifacts observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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: behavioral2
Detonation Overview
Submitted
2024-04-12 01:57
Reported
2024-04-12 02:00
Platform
win10v2004-20240226-en
Max time kernel
143s
Max time network
147s
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 |
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Detects executables containing common artifacts observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 0.tcp.eu.ngrok.io | N/A | N/A |
Enumerates physical storage devices
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 |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SYSTEM32\schtasks.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.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 |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe
"C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /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:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\P29wcDMzS7DL.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\cMD3IV4Ps0W2.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hRX0ROMF8Zwb.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ujlL4gxfCVPw.bat" "
C:\Windows\system32\chcp.com
chcp 65001
C:\Windows\system32\PING.EXE
ping -n 10 localhost
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 10.10.8.36:4782 | tcp | |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.223.134:19992 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 65.139.73.23.in-addr.arpa | udp |
| N/A | 10.10.8.36:4782 | tcp | |
| DE | 3.125.223.134:19992 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| N/A | 10.10.8.36:4782 | tcp | |
| US | 8.8.8.8:53 | 0.tcp.eu.ngrok.io | udp |
| DE | 3.125.209.94:19992 | 0.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| N/A | 10.10.8.36:4782 | tcp | |
| DE | 3.125.209.94:19992 | 0.tcp.eu.ngrok.io | tcp |
| N/A | 10.10.8.36:4782 | tcp |
Files
memory/4168-0-0x00000000008C0000-0x0000000000BE4000-memory.dmp
memory/4168-1-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/4168-2-0x000000001B8A0000-0x000000001B8B0000-memory.dmp
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
| MD5 | 3396e77d0d043554c7f857a1249c75fe |
| SHA1 | d3de2678e85f4ad63e5254782a58a85035aafecc |
| SHA256 | d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833 |
| SHA512 | 3128c03a0465d03127cf6df186533993e2337dce8ca821d8dbcaecd08c7ff7a6d2646de150b7afbe20641e4eb08104342813dfd2fe50346c8b47d40deedc67a4 |
memory/216-10-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/4168-9-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/216-11-0x000000001B8B0000-0x000000001B8C0000-memory.dmp
memory/216-12-0x000000001DEC0000-0x000000001DF10000-memory.dmp
memory/216-13-0x000000001DFD0000-0x000000001E082000-memory.dmp
memory/216-14-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/216-19-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\P29wcDMzS7DL.bat
| MD5 | 0314432a628bbd8d833674f5526dc427 |
| SHA1 | c2ce0b0d4b6cdeb35cededbfbe73d873a774403e |
| SHA256 | 4125434c5b7fd433c387025ac3ca85bcedd32b587895013aae8dc8cf8f68048d |
| SHA512 | 142a47003c1580631785b6e00da0230beb0db0dd6202b062b6edfa3cf10b6b79c9782cb144c402c211726ba627b89bc5468a05ee3e45384e8ae5710ab930e224 |
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Client.exe.log
| MD5 | 8f0271a63446aef01cf2bfc7b7c7976b |
| SHA1 | b70dad968e1dda14b55ad361b7fd4ef9ab6c06d7 |
| SHA256 | da740d78ae00b72cb3710d1a1256dc6431550965d20afaa65e5d5860a4748e8c |
| SHA512 | 78a403c69f1284b7dd41527019f3eede3512a5e4d439d846eca83557b741ca37bcf56c412f3e577b9dd4cfa5a6d6210961215f14cb271b143f6eb94f69389cf5 |
memory/2656-23-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/2656-24-0x000000001BB00000-0x000000001BB10000-memory.dmp
memory/2656-25-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/2656-26-0x000000001BB00000-0x000000001BB10000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cMD3IV4Ps0W2.bat
| MD5 | e5d018107b44b3197157b04916915391 |
| SHA1 | 33da08313fe9221e24eb812c6b5ed7dfa5f4ff5b |
| SHA256 | b09c96eaadcf20ce9590d403e9e63c753e4007e24df6bd843c58723e41bd9cd4 |
| SHA512 | ee4af0dbe6c60933bfe84737f9361e9a7c5635f36f2a07e340afc39aa500ecf36554569de2d20073a7709d95cd4686d595ecdb7859eb8332a0aff04cd47cf173 |
memory/2656-31-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/2040-33-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/2040-34-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/2040-38-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\hRX0ROMF8Zwb.bat
| MD5 | 1c085d0b55fc1f77f875141850a73123 |
| SHA1 | 3f6ed98606ebae3dd5ce0d9de8fbd76a5f8a2826 |
| SHA256 | 9d2f5f0791a6f05cee240a6ed1b4e24ccb051256eea9911c6552452142bb4f82 |
| SHA512 | 2e7f0430b55cb9e650c2b1fba5eb8945a38987557cdc5adf139b00bbe9e3081e5931181110bf6d15b61c5a46aabc4c1f11e4aacd75b7b5a163510618f3f67d6d |
memory/3116-41-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/3116-42-0x0000000001100000-0x0000000001110000-memory.dmp
memory/3116-43-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/3116-44-0x0000000001100000-0x0000000001110000-memory.dmp
memory/3116-48-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ujlL4gxfCVPw.bat
| MD5 | 0704a04d52602dd7ed66fde1ea8fda8b |
| SHA1 | e67d0339c75e3d774bcdc8403236e980e25e326c |
| SHA256 | 223335bb67662945fecd70de2ccf2061a723e51e5a2aab0e270e114716dcf55a |
| SHA512 | e192188a05a8caf69eef810a9c2c53bf7272289a083aaa65191e93557e5d52b2f6503abf7b2599f7db47cb947f6c47b820dab4322b35dc8f74cbf95f3268789c |
memory/3920-51-0x00007FFF986A0000-0x00007FFF99161000-memory.dmp
memory/3920-52-0x0000000002D20000-0x0000000002D30000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-12 01:57
Reported
2024-04-12 02:00
Platform
win7-20240221-en
Max time kernel
122s
Max time network
126s
Command Line
Signatures
Quasar RAT
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects Windows executables referencing non-Windows User-Agents
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Detects executables containing common artifacts observed in infostealers
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| 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\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1936 wrote to memory of 2520 | N/A | C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe | C:\Windows\system32\schtasks.exe |
| PID 1936 wrote to memory of 2520 | N/A | C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe | C:\Windows\system32\schtasks.exe |
| PID 1936 wrote to memory of 2520 | N/A | C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe | C:\Windows\system32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe
"C:\Users\Admin\AppData\Local\Temp\d543c38fb2f5f8e687d97cff1878a2e4e4ada846c3fb3df5e43e6f189da29833.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Platonus" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
Network
Files
memory/1936-0-0x00000000001A0000-0x00000000004C4000-memory.dmp
memory/1936-1-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
memory/1936-2-0x0000000002430000-0x00000000024B0000-memory.dmp
memory/1936-4-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
memory/1936-5-0x0000000002430000-0x00000000024B0000-memory.dmp