Analysis Overview
SHA256
f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102
Threat Level: Known bad
The file f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102 was found to be: Known bad.
Malicious Activity Summary
Orcus
Orcus main payload
Orcus family
Orcurs Rat Executable
Orcurs Rat Executable
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-30 01:04
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
2024-11-30 01:04
Reported
2024-11-30 01:07
Platform
win7-20240708-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Orcus
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe
"C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {1EC2B1EE-7C2A-4B6D-AED3-CA7F52CC3DAD} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe
"C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 536 /protectFile
C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe
"C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 536 "/protectFile"
Network
| Country | Destination | Domain | Proto |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp |
Files
memory/2000-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp
memory/2000-1-0x0000000000060000-0x000000000014C000-memory.dmp
memory/2000-2-0x0000000000510000-0x000000000051E000-memory.dmp
memory/2000-3-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/2000-4-0x0000000000550000-0x00000000005AC000-memory.dmp
memory/2000-5-0x0000000000610000-0x0000000000622000-memory.dmp
memory/2000-6-0x0000000000840000-0x0000000000848000-memory.dmp
memory/2000-7-0x0000000001EE0000-0x0000000001EE8000-memory.dmp
\Program Files (x86)\Orcus\Orcus.exe
| MD5 | 19fa8a03adf350cd95bf2b1fc2573cda |
| SHA1 | eea30cdea85c3b4afc41ab4801920adc505b60a0 |
| SHA256 | f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102 |
| SHA512 | 72316d36d0617b5607e4b04e29378262ad181d15541196745f1a6bbafff0cb0bd24c44249258ff9da0d3bea144e597fb876d0ba9a09147ebfa0dddfe6add296f |
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/536-22-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/536-21-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/2000-20-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/536-19-0x0000000000C50000-0x0000000000D3C000-memory.dmp
memory/536-23-0x0000000000390000-0x00000000003A2000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft Hyper-V\err_b3aa60325c6047f096cc62b26c15372c.dat
| MD5 | dace13e46bb2a5b72243f5f66fae7b4e |
| SHA1 | 697784304b76bedb197319f20dc470c82835f06f |
| SHA256 | ffd16ac54fb33534b6fe4db13999462e23de895c3cccba3bccba92ddd4310cfc |
| SHA512 | d28927a3c1c1c711342bd587a5dad6094e3e5cd13014bedc1dc33b29718011043667dad25f6bd50f3477db5ee12b941299168548b93d91705f2e0173ce4120b0 |
memory/536-26-0x0000000000BE0000-0x0000000000C2E000-memory.dmp
memory/536-27-0x0000000002220000-0x0000000002238000-memory.dmp
memory/536-28-0x0000000004400000-0x0000000004410000-memory.dmp
\Users\Admin\AppData\Local\Temp\bcastdvr.exe
| MD5 | 913967b216326e36a08010fb70f9dba3 |
| SHA1 | 7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf |
| SHA256 | 8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a |
| SHA512 | c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33 |
memory/1400-39-0x0000000000950000-0x0000000000958000-memory.dmp
memory/536-42-0x0000000074A30000-0x000000007511E000-memory.dmp
memory/536-43-0x0000000074A30000-0x000000007511E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-30 01:04
Reported
2024-11-30 01:07
Platform
win10v2004-20241007-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Orcus
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| 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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Orcus\Orcus.exe | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| File created | C:\Program Files (x86)\Orcus\Orcus.exe.config | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of SendNotifyMessage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Orcus\Orcus.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe
"C:\Users\Admin\AppData\Local\Temp\f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Program Files (x86)\Orcus\Orcus.exe
"C:\Program Files (x86)\Orcus\Orcus.exe"
C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe
"C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe" /launchSelfAndExit "C:\Program Files (x86)\Orcus\Orcus.exe" 3356 /protectFile
C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe
"C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe" /watchProcess "C:\Program Files (x86)\Orcus\Orcus.exe" 3356 "/protectFile"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 192.168.100.6:11111 | tcp | |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| N/A | 192.168.100.6:11111 | tcp | |
| US | 8.8.8.8:53 | udp |
Files
memory/3744-0-0x00000000749AE000-0x00000000749AF000-memory.dmp
memory/3744-1-0x0000000000B90000-0x0000000000C7C000-memory.dmp
memory/3744-2-0x0000000002F20000-0x0000000002F2E000-memory.dmp
memory/3744-4-0x0000000005660000-0x00000000056BC000-memory.dmp
memory/3744-3-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3744-5-0x0000000005C90000-0x0000000006234000-memory.dmp
memory/3744-6-0x00000000057C0000-0x0000000005852000-memory.dmp
memory/3744-7-0x00000000057B0000-0x00000000057C2000-memory.dmp
memory/3744-8-0x0000000005BA0000-0x0000000005BA8000-memory.dmp
memory/3744-9-0x0000000005BB0000-0x0000000005BB8000-memory.dmp
memory/3744-10-0x0000000006340000-0x00000000063A6000-memory.dmp
memory/3744-11-0x00000000069D0000-0x0000000006FE8000-memory.dmp
memory/3744-12-0x00000000063D0000-0x00000000063E2000-memory.dmp
memory/3744-13-0x0000000006430000-0x000000000646C000-memory.dmp
memory/3744-14-0x0000000006470000-0x00000000064BC000-memory.dmp
memory/3744-15-0x00000000065E0000-0x00000000066EA000-memory.dmp
C:\Program Files (x86)\Orcus\Orcus.exe
| MD5 | 19fa8a03adf350cd95bf2b1fc2573cda |
| SHA1 | eea30cdea85c3b4afc41ab4801920adc505b60a0 |
| SHA256 | f39d2fd8ade05fe148543b7f0ef29d50cc07e63f16ec68ebcbda78d254585102 |
| SHA512 | 72316d36d0617b5607e4b04e29378262ad181d15541196745f1a6bbafff0cb0bd24c44249258ff9da0d3bea144e597fb876d0ba9a09147ebfa0dddfe6add296f |
C:\Program Files (x86)\Orcus\Orcus.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/3356-33-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3744-32-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3356-34-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3356-35-0x0000000005220000-0x0000000005232000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft Hyper-V\err_b3aa60325c6047f096cc62b26c15372c.dat
| MD5 | 97645e90386afeba32280b2ab3bff7c8 |
| SHA1 | 70294bbd4b43dbcb318b3e4dbe20a44d9d4ea8bf |
| SHA256 | 5bf4ae77fa77518d4adaf72c9cdd3daa05bebadff5a6f2e34522ee25ca11a523 |
| SHA512 | 5ece219e3cd024f4042a583292e57fc61a4c01a1d7661bd8376590a791860e331b6e36568684ef60e3d500b60a1287dda0e5f6e645560399a6923782d5c71b89 |
memory/3356-38-0x0000000006400000-0x000000000644E000-memory.dmp
memory/3356-39-0x0000000006450000-0x0000000006468000-memory.dmp
memory/3356-40-0x0000000006C70000-0x0000000006C88000-memory.dmp
memory/3356-43-0x0000000006DE0000-0x0000000006DF0000-memory.dmp
memory/540-42-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/540-44-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3356-45-0x0000000007120000-0x000000000712A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\bcastdvr.exe
| MD5 | 913967b216326e36a08010fb70f9dba3 |
| SHA1 | 7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf |
| SHA256 | 8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a |
| SHA512 | c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33 |
memory/3112-59-0x0000000000C10000-0x0000000000C18000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bcastdvr.exe.log
| MD5 | 4eaca4566b22b01cd3bc115b9b0b2196 |
| SHA1 | e743e0792c19f71740416e7b3c061d9f1336bf94 |
| SHA256 | 34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb |
| SHA512 | bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1 |
memory/540-64-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3356-65-0x00000000749A0000-0x0000000075150000-memory.dmp
memory/3356-66-0x00000000749A0000-0x0000000075150000-memory.dmp