Malware Analysis Report

2025-03-15 06:47

Sample ID 250115-bzgw4aykdm
Target cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
SHA256 cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
Tags
orcus lois injkector discovery persistence rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1

Threat Level: Known bad

The file cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1 was found to be: Known bad.

Malicious Activity Summary

orcus lois injkector discovery persistence rat spyware stealer

Orcurs Rat Executable

Orcus family

Orcus

Orcus main payload

Orcurs Rat Executable

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

Drops file in System32 directory

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 01:34

Signatures

Orcurs Rat Executable

Description Indicator Process Target
N/A N/A N/A N/A

Orcus family

orcus

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: behavioral2

Detonation Overview

Submitted

2025-01-15 01:34

Reported

2025-01-15 01:37

Platform

win10v2004-20241007-en

Max time kernel

144s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" C:\Program Files (x86)\Orcus\Orcus.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\WindowsInput.exe C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe.config C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.InstallState C:\Windows\SysWOW64\WindowsInput.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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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 use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Orcus\Orcus.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe" --install

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.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"

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 8.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
SE 92.35.5.56:20001 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 167.190.18.2.in-addr.arpa udp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp

Files

memory/1600-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

memory/1600-1-0x0000000000740000-0x000000000082A000-memory.dmp

memory/1600-2-0x0000000002D30000-0x0000000002D3E000-memory.dmp

memory/1600-3-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/1600-4-0x00000000051C0000-0x000000000521C000-memory.dmp

memory/1600-5-0x0000000005980000-0x0000000005F24000-memory.dmp

memory/1600-6-0x00000000053D0000-0x0000000005462000-memory.dmp

memory/1600-7-0x0000000005840000-0x0000000005852000-memory.dmp

memory/1600-8-0x0000000005850000-0x0000000005858000-memory.dmp

memory/1600-9-0x00000000058A0000-0x00000000058C2000-memory.dmp

C:\Windows\SysWOW64\WindowsInput.exe

MD5 e6fcf516d8ed8d0d4427f86e08d0d435
SHA1 c7691731583ab7890086635cb7f3e4c22ca5e409
SHA256 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512 c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

C:\Windows\SysWOW64\WindowsInput.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/1504-24-0x00007FFF0CB83000-0x00007FFF0CB85000-memory.dmp

memory/1504-23-0x0000000000F10000-0x0000000000F1C000-memory.dmp

memory/1504-25-0x0000000002FC0000-0x0000000002FD2000-memory.dmp

memory/1504-30-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp

memory/1504-26-0x000000001BA50000-0x000000001BA8C000-memory.dmp

memory/1504-31-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp

memory/756-33-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp

memory/756-34-0x000000001A640000-0x000000001A74A000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 b3b92d61c47974e2b4534a6b6dadc3fd
SHA1 51543803f6c78b5369d719b604419acced0bf7cb
SHA256 cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
SHA512 6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

memory/1600-50-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/3540-51-0x0000000004B30000-0x0000000004B42000-memory.dmp

memory/3540-52-0x0000000005090000-0x00000000050DE000-memory.dmp

memory/3540-54-0x0000000005860000-0x0000000005878000-memory.dmp

memory/3540-55-0x0000000005C10000-0x0000000005DD2000-memory.dmp

memory/3540-56-0x0000000005A40000-0x0000000005A50000-memory.dmp

memory/3540-57-0x0000000005B80000-0x0000000005B8A000-memory.dmp

memory/756-59-0x00007FFF0CB80000-0x00007FFF0D641000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 01:34

Reported

2025-01-15 01:37

Platform

win7-20240903-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Orcus = "\"C:\\Program Files (x86)\\Orcus\\Orcus.exe\"" C:\Program Files (x86)\Orcus\Orcus.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\WindowsInput.exe.config C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.InstallState C:\Windows\SysWOW64\WindowsInput.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Orcus\Orcus.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1992 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 1992 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 1992 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 1992 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 1992 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 1992 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 1992 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 1992 wrote to memory of 2860 N/A C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 2632 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 2632 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 2632 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\Orcus\Orcus.exe
PID 2632 wrote to memory of 2648 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\Orcus\Orcus.exe

Processes

C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe

"C:\Users\Admin\AppData\Local\Temp\cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1.exe"

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe" --install

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe"

C:\Program Files (x86)\Orcus\Orcus.exe

"C:\Program Files (x86)\Orcus\Orcus.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {E5CEB343-C669-4DA8-B309-85FB66C78117} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]

C:\Program Files (x86)\Orcus\Orcus.exe

"C:\Program Files (x86)\Orcus\Orcus.exe"

Network

Country Destination Domain Proto
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp
SE 92.35.5.56:20001 tcp

Files

memory/1992-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

memory/1992-1-0x00000000002D0000-0x00000000003BA000-memory.dmp

memory/1992-2-0x00000000001C0000-0x00000000001CE000-memory.dmp

memory/1992-3-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/1992-4-0x00000000044E0000-0x000000000453C000-memory.dmp

memory/1992-5-0x0000000000260000-0x0000000000272000-memory.dmp

memory/1992-6-0x00000000002C0000-0x00000000002C8000-memory.dmp

\Windows\SysWOW64\WindowsInput.exe

MD5 e6fcf516d8ed8d0d4427f86e08d0d435
SHA1 c7691731583ab7890086635cb7f3e4c22ca5e409
SHA256 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512 c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

C:\Windows\SysWOW64\WindowsInput.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2884-14-0x000007FEF5C13000-0x000007FEF5C14000-memory.dmp

memory/2884-16-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

memory/2884-17-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

memory/2884-20-0x000007FEF5C10000-0x000007FEF65FC000-memory.dmp

\Program Files (x86)\Orcus\Orcus.exe

MD5 b3b92d61c47974e2b4534a6b6dadc3fd
SHA1 51543803f6c78b5369d719b604419acced0bf7cb
SHA256 cd50c9aed3db7c24472cf0a11bbeb8b5bc5262c255fea3018483fb347b656cd1
SHA512 6555440da95c24ecfb48672c2b1e92cdff8e5e33b5394139bcb9dd1a6c3e5b80caa3fe69b39580da9ee4c8ec4f4e7c80c51d2f4bd762b4dd96cbc3598c87569b

memory/1992-33-0x00000000742D0000-0x00000000749BE000-memory.dmp

memory/2860-32-0x0000000001290000-0x000000000137A000-memory.dmp

memory/2860-34-0x0000000000B80000-0x0000000000BCE000-memory.dmp

memory/2860-35-0x0000000001250000-0x0000000001268000-memory.dmp

memory/2860-36-0x0000000001270000-0x0000000001280000-memory.dmp