Analysis Overview
SHA256
cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924
Threat Level: Known bad
The file cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus main payload
Orcurs Rat Executable
Orcus
Orcurs Rat Executable
Reads data files stored by FTP clients
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-02 01:13
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
2024-12-02 01:13
Reported
2024-12-02 01:16
Platform
win7-20240708-en
Max time kernel
127s
Max time network
124s
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\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe
"C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe"
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
"C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe"
C:\Windows\system32\taskeng.exe
taskeng.exe {9F76023B-48BD-4547-9EF4-B5AFEC44DD54} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 62676.client.sudorat.top | udp |
| RU | 185.37.62.158:62676 | 62676.client.sudorat.top | tcp |
| N/A | 127.0.0.1:1111 | tcp |
Files
memory/2960-0-0x00000000744FE000-0x00000000744FF000-memory.dmp
memory/2960-1-0x00000000008F0000-0x0000000000BEE000-memory.dmp
memory/2960-2-0x00000000003B0000-0x00000000003BE000-memory.dmp
memory/2960-3-0x00000000744F0000-0x0000000074BDE000-memory.dmp
memory/2960-4-0x0000000000830000-0x000000000088C000-memory.dmp
memory/2960-5-0x0000000000400000-0x0000000000412000-memory.dmp
\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
| MD5 | 92e8237b684a86a17b61183af6588b05 |
| SHA1 | dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc |
| SHA256 | cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924 |
| SHA512 | c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69 |
memory/2960-17-0x00000000744F0000-0x0000000074BDE000-memory.dmp
memory/2104-16-0x00000000744F0000-0x0000000074BDE000-memory.dmp
memory/2104-18-0x00000000001F0000-0x00000000004EE000-memory.dmp
memory/2104-19-0x00000000744F0000-0x0000000074BDE000-memory.dmp
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2104-21-0x00000000050C0000-0x000000000510E000-memory.dmp
memory/2104-20-0x0000000000850000-0x0000000000862000-memory.dmp
memory/2104-22-0x0000000004490000-0x00000000044A8000-memory.dmp
memory/2104-23-0x0000000004E60000-0x0000000004E70000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabABDB.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
memory/2104-41-0x00000000051A0000-0x00000000051AE000-memory.dmp
memory/2104-42-0x00000000058F0000-0x00000000058F2000-memory.dmp
memory/2104-43-0x00000000744F0000-0x0000000074BDE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-02 01:13
Reported
2024-12-02 01:16
Platform
win10v2004-20241007-en
Max time kernel
127s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1596 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe |
| PID 1596 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe |
| PID 1596 wrote to memory of 2992 | N/A | C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe | C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe
"C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe"
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
"C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe"
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 62676.client.sudorat.top | udp |
| RU | 185.37.62.158:62676 | 62676.client.sudorat.top | tcp |
| US | 8.8.8.8:53 | 158.62.37.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| N/A | 127.0.0.1:1111 | tcp | |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/1596-0-0x000000007472E000-0x000000007472F000-memory.dmp
memory/1596-1-0x00000000003F0000-0x00000000006EE000-memory.dmp
memory/1596-2-0x0000000005040000-0x000000000504E000-memory.dmp
memory/1596-4-0x0000000005090000-0x00000000050EC000-memory.dmp
memory/1596-3-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1596-5-0x0000000005A50000-0x0000000005FF4000-memory.dmp
memory/1596-6-0x00000000054A0000-0x0000000005532000-memory.dmp
memory/1596-7-0x00000000053A0000-0x00000000053B2000-memory.dmp
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
| MD5 | 92e8237b684a86a17b61183af6588b05 |
| SHA1 | dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc |
| SHA256 | cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924 |
| SHA512 | c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69 |
C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/2992-23-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1596-24-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/2992-25-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/2992-26-0x0000000005950000-0x000000000599E000-memory.dmp
memory/2992-27-0x00000000060E0000-0x00000000060F8000-memory.dmp
memory/2992-29-0x00000000063C0000-0x00000000063D0000-memory.dmp
memory/64-31-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/2992-30-0x00000000065A0000-0x00000000065AA000-memory.dmp
memory/64-32-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/2992-35-0x0000000006D60000-0x0000000006DC6000-memory.dmp
memory/2992-36-0x00000000075A0000-0x0000000007BB8000-memory.dmp
memory/2992-37-0x0000000006DF0000-0x0000000006E02000-memory.dmp
memory/2992-38-0x0000000006FC0000-0x0000000006FFC000-memory.dmp
memory/2992-39-0x0000000007000000-0x000000000704C000-memory.dmp
memory/2992-40-0x0000000007160000-0x000000000726A000-memory.dmp
memory/2992-41-0x0000000007BC0000-0x0000000007D82000-memory.dmp
memory/2992-42-0x0000000007110000-0x000000000711E000-memory.dmp
memory/2992-43-0x0000000007420000-0x00000000074BC000-memory.dmp
memory/2992-44-0x0000000007550000-0x00000000075A0000-memory.dmp
memory/64-46-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/2992-47-0x0000000074720000-0x0000000074ED0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Bluestacks.exe.log
| MD5 | 0672db2ef13237d5cb85075ff4915942 |
| SHA1 | ad8b4d3eb5e40791c47d48b22e273486f25f663f |
| SHA256 | 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519 |
| SHA512 | 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b |