Analysis Overview
SHA256
b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602
Threat Level: Known bad
The file b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcurs Rat Executable
Deletes itself
Checks computer location settings
Executes dropped EXE
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-12 02:20
Signatures
AutoIT Executable
| 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
2024-04-12 02:20
Reported
2024-04-12 02:22
Platform
win7-20240221-en
Max time kernel
142s
Max time network
142s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| 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 |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
AutoIT Executable
| 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 |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1924 set thread context of 1704 | N/A | C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 2908 set thread context of 1868 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 3012 set thread context of 560 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
"C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe & exit
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -t 0
C:\Windows\system32\taskeng.exe
taskeng.exe {31579939-7B68-410E-8D52-D31AF114E430} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
Files
memory/1924-0-0x0000000001390000-0x000000000163A000-memory.dmp
memory/1924-1-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
memory/1704-2-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1704-3-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1704-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1704-9-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1704-10-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/1704-13-0x0000000000A80000-0x0000000000A8E000-memory.dmp
memory/1704-15-0x0000000000B30000-0x0000000000B70000-memory.dmp
memory/1704-14-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/1704-16-0x0000000000AD0000-0x0000000000B2C000-memory.dmp
memory/1704-17-0x0000000000C50000-0x0000000000C62000-memory.dmp
memory/1704-18-0x0000000000C70000-0x0000000000C78000-memory.dmp
memory/1704-19-0x0000000000C80000-0x0000000000C98000-memory.dmp
memory/1704-20-0x0000000004220000-0x0000000004230000-memory.dmp
memory/1704-21-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/1704-22-0x0000000000B30000-0x0000000000B70000-memory.dmp
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
| MD5 | 8afceb4ebed2eb7746d2abdbb25c48a7 |
| SHA1 | e4a038943074c85a7abc38f859c574aa491edaf4 |
| SHA256 | 86f12f0ab95f023757640b57d29ac34bbfe299c3f1e7d27278592e6c9568d68a |
| SHA512 | cef169aebe7e96ebbf84f40c90b8be0dcc15f5f2c91379bed5b81d556cd98a67f55716a3b2a8d22bb46376be67b357ef962f2dc00882cb9c99717efbfb810430 |
memory/2908-25-0x0000000001190000-0x000000000143A000-memory.dmp
memory/1868-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1868-35-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/1868-36-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/3012-38-0x0000000001190000-0x000000000143A000-memory.dmp
memory/560-48-0x0000000074370000-0x0000000074A5E000-memory.dmp
memory/560-49-0x0000000004A60000-0x0000000004AA0000-memory.dmp
memory/560-50-0x0000000074370000-0x0000000074A5E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-12 02:20
Reported
2024-04-12 02:22
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
148s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
AutoIT Executable
| 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 |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2092 set thread context of 4992 | N/A | C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 2076 set thread context of 4276 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 3552 set thread context of 2928 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe
"C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /k ping 127.0.0.1 -t 0 & del C:\Users\Admin\AppData\Local\Temp\b7bcab6254e350d3e6726f221ef90abe3a909ba4cd0ad17cbfc11a0e651e5602.exe & exit
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -t 0
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\SysWOW64\schtasks.exe" /create /tn sfc /tr "C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe" /sc minute /mo 1 /F
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.139.73.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
Files
memory/2092-0-0x0000000000AB0000-0x0000000000D5A000-memory.dmp
memory/2092-1-0x00000000027D0000-0x00000000027D1000-memory.dmp
memory/4992-2-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/4992-7-0x0000000073950000-0x0000000074100000-memory.dmp
memory/4992-9-0x0000000002E20000-0x0000000002E2E000-memory.dmp
memory/4992-8-0x00000000056F0000-0x0000000005700000-memory.dmp
memory/4992-10-0x0000000005420000-0x000000000547C000-memory.dmp
memory/4992-13-0x0000000005CB0000-0x0000000006254000-memory.dmp
memory/4992-14-0x00000000055C0000-0x0000000005652000-memory.dmp
memory/4992-15-0x00000000056A0000-0x00000000056B2000-memory.dmp
memory/4992-16-0x00000000056B0000-0x00000000056B8000-memory.dmp
memory/4992-17-0x00000000056D0000-0x00000000056E8000-memory.dmp
memory/4992-18-0x0000000006430000-0x00000000065F2000-memory.dmp
memory/4992-19-0x0000000005C80000-0x0000000005C90000-memory.dmp
memory/4992-20-0x0000000006740000-0x000000000674A000-memory.dmp
memory/4992-21-0x0000000073950000-0x0000000074100000-memory.dmp
memory/4992-22-0x00000000056F0000-0x0000000005700000-memory.dmp
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
| MD5 | 8afceb4ebed2eb7746d2abdbb25c48a7 |
| SHA1 | e4a038943074c85a7abc38f859c574aa491edaf4 |
| SHA256 | 86f12f0ab95f023757640b57d29ac34bbfe299c3f1e7d27278592e6c9568d68a |
| SHA512 | cef169aebe7e96ebbf84f40c90b8be0dcc15f5f2c91379bed5b81d556cd98a67f55716a3b2a8d22bb46376be67b357ef962f2dc00882cb9c99717efbfb810430 |
memory/2076-24-0x0000000000D60000-0x000000000100A000-memory.dmp
memory/4276-26-0x0000000000900000-0x00000000009EA000-memory.dmp
memory/4276-32-0x0000000004E40000-0x0000000004E50000-memory.dmp
memory/4276-31-0x0000000073950000-0x0000000074100000-memory.dmp
memory/4276-34-0x0000000073950000-0x0000000074100000-memory.dmp
memory/3552-36-0x0000000000D60000-0x000000000100A000-memory.dmp
memory/2928-37-0x0000000000570000-0x000000000065A000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log
| MD5 | 0672db2ef13237d5cb85075ff4915942 |
| SHA1 | ad8b4d3eb5e40791c47d48b22e273486f25f663f |
| SHA256 | 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519 |
| SHA512 | 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b |
memory/2928-43-0x0000000073950000-0x0000000074100000-memory.dmp
memory/2928-44-0x0000000004D90000-0x0000000004DA0000-memory.dmp
memory/2928-45-0x0000000073950000-0x0000000074100000-memory.dmp