Analysis Overview
SHA256
e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee
Threat Level: Known bad
The file e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee was found to be: Known bad.
Malicious Activity Summary
Orcurs Rat Executable
Orcus main payload
Orcus
Orcus family
Orcurs Rat Executable
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
System Location Discovery: System Language Discovery
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-21 01:07
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
2025-01-21 01:07
Reported
2025-01-21 01:10
Platform
win7-20240903-en
Max time kernel
146s
Max time network
153s
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:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.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\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe
"C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe"
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
"C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {C8886950-E92C-4B26-8AA7-6442E2A10A82} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 36345.client.sudorat.top | udp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| N/A | 127.0.0.1:1111 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp |
Files
memory/2316-0-0x000000007457E000-0x000000007457F000-memory.dmp
memory/2316-1-0x0000000000B00000-0x0000000000DFE000-memory.dmp
memory/2316-2-0x0000000000470000-0x000000000047E000-memory.dmp
memory/2316-3-0x0000000074570000-0x0000000074C5E000-memory.dmp
memory/2316-4-0x0000000004410000-0x000000000446C000-memory.dmp
memory/2316-5-0x00000000009A0000-0x00000000009B2000-memory.dmp
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
| MD5 | 1abde3259b140132a71ac457e38ea5fe |
| SHA1 | 1410f1c403857152d320edf73d79b1d5dca54a26 |
| SHA256 | e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee |
| SHA512 | d4bbca63a28c5bd209ff9908bbc3d9390148e3246ac6e430faa3975199dc1d043501b713ae12c276a6734746b8abbfe1733c61761e26f25237cb270c766b4688 |
memory/2856-17-0x00000000010D0000-0x00000000013CE000-memory.dmp
memory/2856-19-0x0000000074570000-0x0000000074C5E000-memory.dmp
memory/2316-16-0x0000000074570000-0x0000000074C5E000-memory.dmp
memory/2856-20-0x0000000000480000-0x0000000000492000-memory.dmp
memory/2856-21-0x00000000009A0000-0x00000000009EE000-memory.dmp
memory/2856-18-0x0000000074570000-0x0000000074C5E000-memory.dmp
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2856-22-0x0000000000A50000-0x0000000000A68000-memory.dmp
memory/2856-23-0x0000000000E60000-0x0000000000E70000-memory.dmp
memory/2856-25-0x0000000074570000-0x0000000074C5E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-21 01:07
Reported
2025-01-21 01:10
Platform
win10v2004-20241007-en
Max time kernel
147s
Max time network
151s
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.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\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5036 wrote to memory of 1856 | N/A | C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe |
| PID 5036 wrote to memory of 1856 | N/A | C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe |
| PID 5036 wrote to memory of 1856 | N/A | C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe | C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe
"C:\Users\Admin\AppData\Local\Temp\e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee.exe"
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
"C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe"
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 36345.client.sudorat.top | udp |
| US | 8.8.8.8:53 | 167.173.78.104.in-addr.arpa | udp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| N/A | 127.0.0.1:1111 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| RU | 31.44.184.52:36345 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| US | 8.8.8.8:53 | 134.130.81.91.in-addr.arpa | udp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| US | 8.8.8.8:53 | 8.153.16.2.in-addr.arpa | udp |
| RU | 31.44.184.52:36345 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp | |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 185.37.62.158:36345 | 36345.client.sudorat.top | tcp |
| RU | 31.44.184.52:36345 | tcp |
Files
memory/5036-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp
memory/5036-1-0x0000000000A60000-0x0000000000D5E000-memory.dmp
memory/5036-2-0x00000000030A0000-0x00000000030AE000-memory.dmp
memory/5036-3-0x0000000005710000-0x000000000576C000-memory.dmp
memory/5036-4-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/5036-5-0x0000000005F20000-0x00000000064C4000-memory.dmp
memory/5036-6-0x0000000005970000-0x0000000005A02000-memory.dmp
memory/5036-7-0x0000000005E50000-0x0000000005E62000-memory.dmp
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe
| MD5 | 1abde3259b140132a71ac457e38ea5fe |
| SHA1 | 1410f1c403857152d320edf73d79b1d5dca54a26 |
| SHA256 | e27df41307c41ff81573947f0183d6e82aa60165a52e294fabf09aaea0b3a3ee |
| SHA512 | d4bbca63a28c5bd209ff9908bbc3d9390148e3246ac6e430faa3975199dc1d043501b713ae12c276a6734746b8abbfe1733c61761e26f25237cb270c766b4688 |
C:\Users\Admin\AppData\Roaming\multiflowerprovider\cdnsecure.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/1856-24-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/5036-23-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1856-25-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1856-26-0x0000000005C70000-0x0000000005C82000-memory.dmp
memory/1856-27-0x0000000006130000-0x000000000617E000-memory.dmp
memory/1856-29-0x00000000068E0000-0x00000000068F8000-memory.dmp
memory/1560-30-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1856-31-0x0000000006920000-0x0000000006930000-memory.dmp
memory/1560-33-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1856-32-0x0000000006EE0000-0x0000000006EEA000-memory.dmp
memory/1560-35-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1856-36-0x0000000074C20000-0x00000000753D0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cdnsecure.exe.log
| MD5 | 0672db2ef13237d5cb85075ff4915942 |
| SHA1 | ad8b4d3eb5e40791c47d48b22e273486f25f663f |
| SHA256 | 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519 |
| SHA512 | 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b |