Analysis Overview
SHA256
956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811
Threat Level: Known bad
The file 956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus
Orcurs Rat Executable
Orcurs Rat Executable
Executes dropped EXE
Checks computer location settings
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-21 01:53
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-21 01:53
Reported
2023-12-21 01:56
Platform
win7-20231129-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 |
| 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:\Program Files\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files\Orcus\Orcus.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
| File opened for modification | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
| File created | C:\Program Files\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2960 wrote to memory of 2852 | N/A | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 2960 wrote to memory of 2852 | N/A | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 2960 wrote to memory of 2852 | N/A | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 2536 wrote to memory of 2584 | N/A | C:\Windows\system32\taskeng.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 2536 wrote to memory of 2584 | N/A | C:\Windows\system32\taskeng.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 2536 wrote to memory of 2584 | N/A | C:\Windows\system32\taskeng.exe | C:\Program Files\Orcus\Orcus.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe
"C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe"
C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {289CFF34-D2C2-4031-912F-0CB7C7927654} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 8.8.8.8:53 | following-s.gl.at.ply.gg | udp |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
Files
memory/2960-0-0x00000000003B0000-0x00000000006A8000-memory.dmp
memory/2960-1-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
memory/2960-2-0x000000001B1E0000-0x000000001B260000-memory.dmp
memory/2960-4-0x00000000003A0000-0x00000000003AE000-memory.dmp
memory/2960-3-0x0000000000850000-0x00000000008AC000-memory.dmp
memory/2960-5-0x00000000008C0000-0x00000000008D2000-memory.dmp
C:\Program Files\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2960-13-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | 270d0e6cc8569fd68cbb7bb1a542725f |
| SHA1 | 35cad5cfd8ac87d2e29fd22215338f207518fab0 |
| SHA256 | ec260c890c36a922569d817abbd749d46d6c82f46c4b0b7e181de858f8e97338 |
| SHA512 | 9382eaffc944f6d1b9c9ec506fbc5fb66c4073b94fd635edea654cfb40d32ba704addb9eb91f9c94c2befd4ea02088ea5c4ae5e273a77db869537d8332905775 |
memory/2852-15-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
memory/2852-16-0x0000000001330000-0x0000000001628000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | 2a21acc654eb745928798da5f3e2ffb0 |
| SHA1 | 7b5a25e169faf3fd8f3dbdb2446069c304220044 |
| SHA256 | 3d77f78e4355afdb1a30f5de846efe2a91c6d17c1a1119cdf4db7a811ec150b3 |
| SHA512 | 1fa98d6eae3c57463d349eedfac5bfad859671fc37375f29e64075c39587c5200c899960622db8baaaf3098433e2ebd5e48b0f6db50cb105558831fcd8aaf68d |
memory/2852-17-0x000000001B100000-0x000000001B180000-memory.dmp
memory/2852-19-0x00000000011A0000-0x00000000011F8000-memory.dmp
memory/2852-18-0x00000000004F0000-0x0000000000502000-memory.dmp
memory/2852-20-0x0000000001200000-0x0000000001218000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | af2cfef2d9feaedb46b777a24c127237 |
| SHA1 | 82e3dc2141e866382ee47f243c97b1331e230cd9 |
| SHA256 | 32a2668c464f6dfb7a67158f54b62726229fb2c58e4ea436086981ff01ff0270 |
| SHA512 | ab7250347273c37178814018bd82e217d736dcba5e74e5dbeb4706fc06a3700659b4201489d3d39fc92abb5c7fd2489df48896ce80dcf22b639f5ce4f286bbce |
memory/2852-21-0x0000000000C80000-0x0000000000C90000-memory.dmp
memory/2584-23-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
memory/2584-24-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
memory/2852-25-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp
memory/2852-26-0x000000001B100000-0x000000001B180000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-21 01:53
Reported
2023-12-21 01:56
Platform
win10v2004-20231215-en
Max time kernel
145s
Max time network
152s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files\Orcus\Orcus.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
| File opened for modification | C:\Program Files\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
| File created | C:\Program Files\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | N/A |
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5028 wrote to memory of 620 | N/A | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | C:\Program Files\Orcus\Orcus.exe |
| PID 5028 wrote to memory of 620 | N/A | C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe | C:\Program Files\Orcus\Orcus.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe
"C:\Users\Admin\AppData\Local\Temp\956f76cb591026fc6db238d0887eb0f8bd262ba37dfa23b903d0a5d1645e7811.exe"
C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
C:\Program Files\Orcus\Orcus.exe
"C:\Program Files\Orcus\Orcus.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 8.8.8.8:53 | 22.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| 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 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | following-s.gl.at.ply.gg | udp |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
| N/A | 192.168.1.95:10134 | tcp | |
| US | 147.185.221.17:46267 | following-s.gl.at.ply.gg | tcp |
| US | 147.185.221.17:38914 | following-s.gl.at.ply.gg | tcp |
Files
memory/5028-0-0x00000299B2D10000-0x00000299B3008000-memory.dmp
memory/5028-1-0x00007FF931760000-0x00007FF932221000-memory.dmp
memory/5028-4-0x00000299B4D50000-0x00000299B4D5E000-memory.dmp
memory/5028-3-0x00000299CD7C0000-0x00000299CD7D0000-memory.dmp
memory/5028-2-0x00000299B3420000-0x00000299B347C000-memory.dmp
memory/5028-5-0x00000299B4D90000-0x00000299B4DA2000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | 6e69ce2a2c2af1f584faf14aafd8116c |
| SHA1 | 5d60497ae4600b18cd8b421d6f0996723bdd75e7 |
| SHA256 | 7903f323d9712fa31e8f53f2d7e2150188fdb51d5564fdf799e06fb5bdf97b8d |
| SHA512 | 448309a9008a50dd303a90d51785c50386c5a6301376194a25c1cfb36f4af6de84ce2b3cc45ec2dbb0006fd8090cd98e3746d5d69ea0cb9b6058ea925e54d476 |
C:\Program Files\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
C:\Program Files\Orcus\Orcus.exe
| MD5 | c86dedabc4f7470c542099426d904d52 |
| SHA1 | cf50d6260cbe3a214b93082c8a4602abc8b37949 |
| SHA256 | d4554da06326a1a65143437cd373ebe47e15d05d45a641487275fcbfe7578453 |
| SHA512 | 8d17efdb478d246e209d98671d10451e693a444293251ed0cbfab75dfd0096b5c2d52da089e71d4837f0abced0434aa2ba7573d16f840c3bc88ed40ee9d5911a |
memory/620-22-0x00007FF931760000-0x00007FF932221000-memory.dmp
memory/5028-21-0x00007FF931760000-0x00007FF932221000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | 3fa13f0fd067c4dea947c3558e9c0cfd |
| SHA1 | 478a708a66c08d5207d0dd0138b44d25cbf34732 |
| SHA256 | d654773cff5053be91c893b3cda8f20032ae4a822c4af0af9d5bc8b0d9d2d0c8 |
| SHA512 | ee11dbe6d26a904cc65031b35f8a9c17f8ecce3e36e04de3f67aa8ef709cecb7242ed8e25f561e2fad444930f6be5929780ae1108952ea2e93dc7a77c8d43c3a |
memory/620-23-0x0000027A092C0000-0x0000027A092D0000-memory.dmp
memory/620-24-0x0000027A234F0000-0x0000027A23548000-memory.dmp
memory/620-26-0x0000027A0AB70000-0x0000027A0AB88000-memory.dmp
C:\Program Files\Orcus\Orcus.exe
| MD5 | 1bf3980346ae7ece8d1732585b503b9c |
| SHA1 | 6909d77c76d265415ae3f51b43c90492ffaa4a32 |
| SHA256 | 8dc8a69329b9691ecdcdf60342a0b9974bf4ca91fad754b57664f34065b96e7c |
| SHA512 | aceb876e0ae68c5239861f5cd7d424c300a5834b972636a197c176bb26c1cf3dde6c7c55c0d28f304b82466e03db928155fd7bb3a41239636acdbf21f8f89bc6 |
memory/4900-27-0x00007FF931760000-0x00007FF932221000-memory.dmp
memory/620-28-0x0000027A0AC00000-0x0000027A0AC10000-memory.dmp
memory/4900-29-0x0000018A3CEE0000-0x0000018A3CEF0000-memory.dmp
memory/4900-31-0x00007FF931760000-0x00007FF932221000-memory.dmp
memory/620-32-0x00007FF931760000-0x00007FF932221000-memory.dmp
memory/620-33-0x0000027A092C0000-0x0000027A092D0000-memory.dmp