Analysis Overview
SHA256
b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6
Threat Level: Known bad
The file b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcurs Rat Executable
Checks computer location settings
Executes dropped EXE
AutoIT Executable
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-12 01:03
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 01:03
Reported
2024-04-12 01:05
Platform
win7-20231129-en
Max time kernel
142s
Max time network
143s
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 |
| 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\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 2936 set thread context of 2792 | N/A | C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 1748 set thread context of 2008 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 596 set thread context of 540 | 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 |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.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\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe
"C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.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\system32\taskeng.exe
taskeng.exe {659571C1-4900-4EC1-BFAB-EA039E66A74E} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\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/2936-0-0x0000000000B00000-0x0000000000DAA000-memory.dmp
memory/2936-1-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/2792-2-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2792-3-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2792-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2792-9-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2792-10-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2792-13-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/2792-15-0x0000000004A30000-0x0000000004A70000-memory.dmp
memory/2792-14-0x00000000005F0000-0x00000000005FE000-memory.dmp
memory/2792-16-0x00000000009C0000-0x0000000000A1C000-memory.dmp
memory/2792-17-0x00000000008B0000-0x00000000008C2000-memory.dmp
memory/2792-18-0x0000000000A60000-0x0000000000A68000-memory.dmp
memory/2792-19-0x0000000002050000-0x0000000002068000-memory.dmp
memory/2792-20-0x00000000041E0000-0x00000000041F0000-memory.dmp
memory/2792-21-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/2792-22-0x0000000004A30000-0x0000000004A70000-memory.dmp
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
| MD5 | 3a04d9108713722bff0fc831f80a898a |
| SHA1 | 7a8a5964c9cb4498914c8c2ab7b787e48caa5513 |
| SHA256 | b5742d934342485496ce462c5a10c6ac4ca5e83480f1c733ebd5c00adc1dfaf0 |
| SHA512 | bf74acad2082ca7273f1a9ad53a86c80f83df9211beb903086bc99c8e1fb00efc43ffacc836fef09a4877caa3b9a3f577835d931854b28acfcb90b9e3fd1c051 |
memory/1748-25-0x0000000001130000-0x00000000013DA000-memory.dmp
memory/2008-35-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/2008-36-0x0000000004B60000-0x0000000004BA0000-memory.dmp
memory/2008-37-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/596-39-0x0000000000090000-0x000000000033A000-memory.dmp
memory/540-42-0x0000000000090000-0x000000000017A000-memory.dmp
memory/540-49-0x0000000000090000-0x000000000017A000-memory.dmp
memory/540-48-0x0000000000090000-0x000000000017A000-memory.dmp
memory/540-50-0x0000000073A90000-0x000000007417E000-memory.dmp
memory/540-51-0x00000000048D0000-0x0000000004910000-memory.dmp
memory/540-52-0x0000000073A90000-0x000000007417E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-12 01:03
Reported
2024-04-12 01:05
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
150s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.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 5032 set thread context of 2196 | N/A | C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 3716 set thread context of 4872 | N/A | C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
| PID 4652 set thread context of 4292 | 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 |
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\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.exe
"C:\Users\Admin\AppData\Local\Temp\b458308592c513e31bbb21c66d91c69a9875379170696629ee529a2b73505dd6.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
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 | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 72.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 178.223.142.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ligeon.ddns.net | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 121.118.77.104.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 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.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 | 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 | udp |
Files
memory/5032-0-0x00000000009E0000-0x0000000000C8A000-memory.dmp
memory/5032-1-0x0000000001690000-0x0000000001691000-memory.dmp
memory/2196-2-0x0000000000400000-0x00000000004EA000-memory.dmp
memory/2196-7-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/2196-8-0x0000000005760000-0x0000000005770000-memory.dmp
memory/2196-9-0x0000000002FA0000-0x0000000002FAE000-memory.dmp
memory/2196-10-0x0000000005690000-0x00000000056EC000-memory.dmp
memory/2196-11-0x0000000005D90000-0x0000000006334000-memory.dmp
memory/2196-14-0x0000000005880000-0x0000000005912000-memory.dmp
memory/2196-15-0x0000000005860000-0x0000000005872000-memory.dmp
memory/2196-16-0x0000000005870000-0x0000000005878000-memory.dmp
memory/2196-17-0x0000000005D70000-0x0000000005D88000-memory.dmp
memory/2196-18-0x0000000006680000-0x0000000006842000-memory.dmp
memory/2196-19-0x00000000064A0000-0x00000000064B0000-memory.dmp
memory/2196-20-0x00000000069D0000-0x00000000069DA000-memory.dmp
memory/2196-21-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/2196-22-0x0000000005760000-0x0000000005770000-memory.dmp
C:\Users\Admin\AppData\Roaming\coredpussvr\setspn.exe
| MD5 | 3a04d9108713722bff0fc831f80a898a |
| SHA1 | 7a8a5964c9cb4498914c8c2ab7b787e48caa5513 |
| SHA256 | b5742d934342485496ce462c5a10c6ac4ca5e83480f1c733ebd5c00adc1dfaf0 |
| SHA512 | bf74acad2082ca7273f1a9ad53a86c80f83df9211beb903086bc99c8e1fb00efc43ffacc836fef09a4877caa3b9a3f577835d931854b28acfcb90b9e3fd1c051 |
memory/3716-24-0x0000000000770000-0x0000000000A1A000-memory.dmp
memory/4872-31-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4872-32-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/4872-34-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4652-36-0x0000000000770000-0x0000000000A1A000-memory.dmp
memory/4292-37-0x0000000000500000-0x00000000005EA000-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/4292-43-0x0000000074550000-0x0000000074D00000-memory.dmp
memory/4292-44-0x0000000004A10000-0x0000000004A20000-memory.dmp
memory/4292-45-0x0000000074550000-0x0000000074D00000-memory.dmp