Analysis Overview
SHA256
3c929d7c2dfe5638f93422aa26f6b6ef06624d0f8daa49887db9aac351d7b9d4
Threat Level: Known bad
The file Cryptor.rar was found to be: Known bad.
Malicious Activity Summary
Lucastealer family
Luca Stealer payload
Quasar RAT
Quasar payload
Quasar family
Luca Stealer
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Executes dropped EXE
Accesses cryptocurrency files/wallets, possible credential harvesting
UPX packed file
Drops file in Program Files directory
Command and Scripting Interpreter: PowerShell
Unsigned PE
Enumerates physical storage devices
Suspicious use of FindShellTrayWindow
Scheduled Task/Job: Scheduled Task
Suspicious use of SetWindowsHookEx
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-28 05:26
Signatures
Luca Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Lucastealer family
Quasar family
Quasar payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
UPX packed file
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-28 05:26
Reported
2024-12-28 05:29
Platform
win7-20240903-en
Max time kernel
149s
Max time network
121s
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 |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | N/A |
| File opened for modification | C:\Program Files\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | N/A |
Enumerates physical storage devices
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\Cryptor\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f
C:\Program Files\SubDir\Client.exe
"C:\Program Files\SubDir\Client.exe"
C:\Windows\system32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp |
Files
memory/1204-0-0x000007FEF5DF3000-0x000007FEF5DF4000-memory.dmp
memory/1204-1-0x0000000000920000-0x0000000000C44000-memory.dmp
memory/1204-2-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
C:\Program Files\SubDir\Client.exe
| MD5 | ffde80003bb39e45f92460a84b343771 |
| SHA1 | 1ada86e287115526fc12d74865de3ca0c59c8c08 |
| SHA256 | e057b678ff3bca92b8672af195249608bcb56cfd01c1980d14b7c3e4d6952c8b |
| SHA512 | 4ae9adb21f511b1d114d5258d24d5b138a387149c593ed0743ad644ddb9461a248919ed305dbaae6b9beed9ed4525f8ad23a653c4b6507e7a021ea05a35961b4 |
memory/2700-10-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
memory/2700-9-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
memory/2700-8-0x0000000000D40000-0x0000000001064000-memory.dmp
memory/1204-7-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
memory/2700-11-0x000007FEF5DF0000-0x000007FEF67DC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-28 05:26
Reported
2024-12-28 05:29
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
145s
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:\Program Files\SubDir\Client.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | N/A |
| File created | C:\Program Files\SubDir\Client.exe | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | N/A |
Enumerates physical storage devices
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\Cryptor\Client-built.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\SubDir\Client.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3980 wrote to memory of 3584 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3980 wrote to memory of 3584 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 3980 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | C:\Program Files\SubDir\Client.exe |
| PID 3980 wrote to memory of 228 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe | C:\Program Files\SubDir\Client.exe |
| PID 228 wrote to memory of 380 | N/A | C:\Program Files\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
| PID 228 wrote to memory of 380 | N/A | C:\Program Files\SubDir\Client.exe | C:\Windows\SYSTEM32\schtasks.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Cryptor\Client-built.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f
C:\Program Files\SubDir\Client.exe
"C:\Program Files\SubDir\Client.exe"
C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Program Files\SubDir\Client.exe" /rl HIGHEST /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp | |
| N/A | 127.0.0.1:4782 | tcp |
Files
memory/3980-0-0x00007FFDBF313000-0x00007FFDBF315000-memory.dmp
memory/3980-1-0x0000000000210000-0x0000000000534000-memory.dmp
memory/3980-2-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp
C:\Program Files\SubDir\Client.exe
| MD5 | ffde80003bb39e45f92460a84b343771 |
| SHA1 | 1ada86e287115526fc12d74865de3ca0c59c8c08 |
| SHA256 | e057b678ff3bca92b8672af195249608bcb56cfd01c1980d14b7c3e4d6952c8b |
| SHA512 | 4ae9adb21f511b1d114d5258d24d5b138a387149c593ed0743ad644ddb9461a248919ed305dbaae6b9beed9ed4525f8ad23a653c4b6507e7a021ea05a35961b4 |
memory/228-9-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp
memory/3980-8-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp
memory/228-10-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp
memory/228-11-0x000000001C610000-0x000000001C660000-memory.dmp
memory/228-12-0x000000001C720000-0x000000001C7D2000-memory.dmp
memory/228-13-0x00007FFDBF310000-0x00007FFDBFDD1000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-12-28 05:26
Reported
2024-12-28 05:29
Platform
win7-20240903-en
Max time kernel
119s
Max time network
120s
Command Line
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe
"C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe"
Network
Files
memory/2672-0-0x000000013FBA0000-0x000000013FEBC000-memory.dmp
memory/2672-1-0x000000013FBA0000-0x000000013FEBC000-memory.dmp
Analysis: behavioral4
Detonation Overview
Submitted
2024-12-28 05:26
Reported
2024-12-28 05:29
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
144s
Command Line
Signatures
Luca Stealer
Luca Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Lucastealer family
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Accesses cryptocurrency files/wallets, possible credential harvesting
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3820 wrote to memory of 3492 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 3820 wrote to memory of 3492 | N/A | C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe
"C:\Users\Admin\AppData\Local\Temp\Cryptor\Cryptor.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" -NoProfile -NonInteractive -NoLogo -Command "Get-Culture | Select -ExpandProperty DisplayName"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ipwho.is | udp |
| DE | 195.201.57.90:443 | ipwho.is | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 90.57.201.195.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 22.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/3820-0-0x00007FF7D1850000-0x00007FF7D1B6C000-memory.dmp
memory/3492-1-0x00007FFCCA253000-0x00007FFCCA255000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mvhsy2kl.ktk.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3492-11-0x0000017FFB050000-0x0000017FFB072000-memory.dmp
memory/3492-12-0x00007FFCCA250000-0x00007FFCCAD11000-memory.dmp
memory/3492-13-0x00007FFCCA250000-0x00007FFCCAD11000-memory.dmp
memory/3492-17-0x0000017FFB1E0000-0x0000017FFB3FC000-memory.dmp
memory/3492-18-0x00007FFCCA250000-0x00007FFCCAD11000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\chromium_default_webdata
| MD5 | 0163d73ac6c04817a0bed83c3564b99f |
| SHA1 | 784001e8d0e7ab6a09202c2a1094f371f7d017cb |
| SHA256 | 5114af822abc2b0f2aabb7565919164c9babf884e34c21095213dbe6a71511ea |
| SHA512 | 47051ee935be9e9d4457447c7fe5df06a5b0c5ef55d2c757d3dfa179b6049ae79732b1552e812febe5ae41a076cb29d8a809ae9b168afc7eb4c9eadfadcf5d9b |
C:\Users\Admin\AppData\Local\Temp\bravesoftware_default_login_data
| MD5 | 349e6eb110e34a08924d92f6b334801d |
| SHA1 | bdfb289daff51890cc71697b6322aa4b35ec9169 |
| SHA256 | c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a |
| SHA512 | 2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574 |
C:\Users\Admin\AppData\Local\Temp\chromium_network_cookies
| MD5 | ca4fb74cc41f5e23584aed59e9b00d29 |
| SHA1 | c535853441e2a9d4a50b2c7c1f53442e06e28314 |
| SHA256 | 1779ae7fbe5f4882b8600a85663b882d82e1f94336f5eea3a9d75b943e345bc2 |
| SHA512 | 1f047f7f2606a1a8a94aa78982414faf1dbf1abecf3abb8dd3f403ef76f6533c6f697355774cf3dea0c54444f682b66a297eee40277f9f4762460356627a9a08 |
C:\Users\Admin\AppData\Local\Temp\chromium_default_login_data
| MD5 | a182561a527f929489bf4b8f74f65cd7 |
| SHA1 | 8cd6866594759711ea1836e86a5b7ca64ee8911f |
| SHA256 | 42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914 |
| SHA512 | 9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558 |
C:\Users\Admin\AppData\Local\Temp\5X7ZnBo6tB0O7zyKPSjUH6YlZrkwRN\sensfiles.zip
| MD5 | 7d998f4092e9354ab33f435b677e731a |
| SHA1 | 209eeb6300ea5d85d2d463f37e72db2a71e1ac37 |
| SHA256 | 657fb5cf48a0999197265169a3a7d15532e15fcceeb133d6753a43d28aa048ec |
| SHA512 | 50d2c24fa2ec30776ee5c41eae899460e9745304f0a6492d536a7cb75eb19f938cc94ecdc5e1a03eb8d7ac133131700260d7ccf04c2e935c01bd78bc647ba669 |
memory/3820-103-0x00007FF7D1850000-0x00007FF7D1B6C000-memory.dmp