Analysis Overview
SHA256
a754a7dd4fa2ad3f52aefe67444d38504e17da934f70a950fbe37fa371b74770
Threat Level: Known bad
The file 232b207bb6bf55bd615ae02f4d176c48.exe was found to be: Known bad.
Malicious Activity Summary
Orcus main payload
Orcus
Orcurs Rat Executable
Orcus family
Orcurs Rat Executable
Executes dropped EXE
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-01 19:57
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main 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
2024-01-01 19:57
Reported
2024-01-01 20:00
Platform
win7-20231215-en
Max time kernel
150s
Max time network
123s
Command Line
Signatures
Orcus
Orcus main 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 |
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe
"C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe"
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
"C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe"
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 2792
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 2792
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
Files
memory/2128-0-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2128-1-0x00000000009B0000-0x0000000000A98000-memory.dmp
memory/2128-2-0x0000000004800000-0x0000000004840000-memory.dmp
memory/2128-3-0x0000000000480000-0x000000000048E000-memory.dmp
memory/2128-4-0x0000000000540000-0x000000000059C000-memory.dmp
memory/2128-5-0x0000000001EE0000-0x0000000001EF2000-memory.dmp
\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 60746e89094ae97a7d8b3d1fc9eb4b23 |
| SHA1 | d248a7c0840907d45d20ac58d107adc6cbd09f72 |
| SHA256 | 1d55c7c0954efd7ade420f06a66e8a6cfb84812e49ac885031325d7db973a774 |
| SHA512 | d80196b37481229de9dd9a4e8e5025340631ccd7d2471219d8b0defee677e54bbb04a8fb77a1d6575c74e58077b482cc9ac0d1bb26823fb5d5bfdbb4ae3b139c |
memory/2792-18-0x0000000000790000-0x00000000007D0000-memory.dmp
memory/2792-19-0x0000000000510000-0x0000000000522000-memory.dmp
memory/2792-20-0x00000000006B0000-0x00000000006FE000-memory.dmp
memory/2792-17-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2128-16-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2792-15-0x0000000000150000-0x0000000000238000-memory.dmp
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 03f0c1bc02f845a26037aa55b1bcd8c0 |
| SHA1 | 4d3bc38e9bbcacffdef9e4846418654652958d55 |
| SHA256 | c65df115272da0df9bae771231c98c5affc65e1d07205f0f3b17dfd778288960 |
| SHA512 | cb54196cfdec48392786c2d4812892ddb6180b687abc16769281997ebab5c4d5b33a1bbbfe6c6d0f959a9cccbeaef5bcd31be6fc2e0491f9170fcf2b671ac126 |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 6f20781bf9a22c2c6b38c46ff1353f27 |
| SHA1 | e91fdd1a814520a9ca69b3adfc00f1a193a4bc7f |
| SHA256 | 078d21d184dd8c09c4f8ae1f078049abd20171712497ec3d0e2583e54884feef |
| SHA512 | 442be2df76aa20b9188a358b63cf1f671c87725f597aa7e0887444c500dadb112359033dc77c79e23d7feabdfe33c1bba1bde8691156c9d18deece02bc56751b |
memory/2792-21-0x00000000007F0000-0x0000000000808000-memory.dmp
memory/2792-22-0x0000000000B50000-0x0000000000B60000-memory.dmp
memory/2792-23-0x0000000000790000-0x00000000007D0000-memory.dmp
memory/2760-33-0x0000000000FA0000-0x0000000000FA8000-memory.dmp
memory/2760-34-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2760-37-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2652-36-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2792-38-0x00000000748A0000-0x0000000074F8E000-memory.dmp
memory/2792-39-0x0000000000790000-0x00000000007D0000-memory.dmp
memory/2792-40-0x0000000000790000-0x00000000007D0000-memory.dmp
memory/2652-41-0x00000000748A0000-0x0000000074F8E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-01 19:57
Reported
2024-01-01 20:01
Platform
win10v2004-20231215-en
Max time kernel
5s
Max time network
126s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe
"C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe"
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
"C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe"
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 4884
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 4884
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 28.160.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
Files
memory/436-0-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/436-1-0x0000000000160000-0x0000000000248000-memory.dmp
memory/436-2-0x0000000004CD0000-0x0000000004CE0000-memory.dmp
memory/436-3-0x0000000000D80000-0x0000000000D8E000-memory.dmp
memory/436-4-0x0000000000DE0000-0x0000000000E3C000-memory.dmp
memory/436-5-0x0000000005340000-0x00000000058E4000-memory.dmp
memory/436-6-0x0000000004D90000-0x0000000004E22000-memory.dmp
memory/436-7-0x0000000004D70000-0x0000000004D82000-memory.dmp
memory/436-23-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/4884-22-0x0000000002050000-0x0000000002060000-memory.dmp
memory/4884-25-0x00000000059F0000-0x0000000005A02000-memory.dmp
memory/4884-26-0x0000000005F70000-0x0000000005FBE000-memory.dmp
memory/4884-27-0x0000000005FD0000-0x0000000005FE8000-memory.dmp
memory/4884-24-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/4884-28-0x0000000006030000-0x0000000006048000-memory.dmp
memory/4884-29-0x00000000060D0000-0x00000000060E0000-memory.dmp
memory/4884-30-0x0000000006BF0000-0x0000000006BFA000-memory.dmp
memory/544-44-0x0000000000F50000-0x0000000000F58000-memory.dmp
memory/544-45-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/544-49-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/4692-48-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/4884-50-0x0000000002050000-0x0000000002060000-memory.dmp
memory/4884-51-0x0000000074660000-0x0000000074E10000-memory.dmp
memory/4692-52-0x0000000074660000-0x0000000074E10000-memory.dmp