Analysis Overview
SHA256
89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf
Threat Level: Known bad
The file 89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus family
Orcus main payload
Orcus
Orcurs Rat Executable
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-02-10 01:23
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
2024-02-10 01:23
Reported
2024-02-10 01:25
Platform
win7-20231129-en
Max time kernel
146s
Max time network
149s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3032 wrote to memory of 2984 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe |
| PID 3032 wrote to memory of 2984 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe |
| PID 3032 wrote to memory of 2984 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe |
| PID 3032 wrote to memory of 2984 | N/A | C:\Windows\system32\taskeng.exe | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {849F70F0-60EC-4144-A344-0601EA5AEC31} S-1-5-21-3470981204-343661084-3367201002-1000:GLTGRJAG\Admin:Interactive:[1]
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp |
Files
memory/2024-0-0x0000000000380000-0x0000000000468000-memory.dmp
memory/2024-1-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2024-2-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2024-3-0x0000000000570000-0x000000000057E000-memory.dmp
memory/2024-4-0x0000000001FE0000-0x000000000203C000-memory.dmp
memory/2024-5-0x00000000006C0000-0x00000000006D2000-memory.dmp
memory/2024-6-0x00000000042B0000-0x00000000042FE000-memory.dmp
memory/2024-7-0x0000000002050000-0x0000000002068000-memory.dmp
memory/2024-8-0x0000000004340000-0x0000000004350000-memory.dmp
memory/2984-10-0x0000000004A80000-0x0000000004AC0000-memory.dmp
memory/2984-9-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2984-11-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2024-12-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2024-13-0x0000000004A20000-0x0000000004A60000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-02-10 01:23
Reported
2024-02-10 01:25
Platform
win10v2004-20231222-en
Max time kernel
146s
Max time network
150s
Command Line
Signatures
Orcus
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe"
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| N/A | 192.168.35.215:4806 | tcp | |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.71.91.104.in-addr.arpa | udp |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp | |
| N/A | 192.168.35.215:4806 | tcp |
Files
memory/2608-0-0x0000000000170000-0x0000000000258000-memory.dmp
memory/2608-1-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/2608-2-0x0000000004D90000-0x0000000004DA0000-memory.dmp
memory/2608-3-0x0000000002500000-0x000000000250E000-memory.dmp
memory/2608-4-0x0000000004C30000-0x0000000004C8C000-memory.dmp
memory/2608-5-0x0000000005350000-0x00000000058F4000-memory.dmp
memory/2608-6-0x0000000004DA0000-0x0000000004E32000-memory.dmp
memory/2608-7-0x0000000004D80000-0x0000000004D92000-memory.dmp
memory/2608-8-0x0000000005280000-0x00000000052CE000-memory.dmp
memory/2608-9-0x0000000005A40000-0x0000000005A58000-memory.dmp
memory/5088-11-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/2608-10-0x0000000005DB0000-0x0000000005F72000-memory.dmp
memory/2608-12-0x0000000005BC0000-0x0000000005BD0000-memory.dmp
memory/2608-13-0x0000000005C20000-0x0000000005C2A000-memory.dmp
memory/5088-15-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/2608-16-0x0000000074B60000-0x0000000075310000-memory.dmp
memory/2608-17-0x0000000004D90000-0x0000000004DA0000-memory.dmp