Analysis
- user interaction
yes - max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
13/08/2026, 16:05
General
- Target Orcus.exe
- Size 3.0MB
- Sample260813-tj1ndaca32
- SHA256 393701f73e155bc474629b7ace8c538e1de6a24c943f3ce38a18912d1ba3a718
Malware Config
Extracted
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orcus
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87.120.187.0:13511
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d953cd44c38440578b020479dfd4869d
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%programfiles%\Orcus\Orcus.exe
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reconnect_delay
10000
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registry_keyname
Orcus
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taskscheduler_taskname
Orcus
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watchdog_path
AppData\OrcusWatchdog.exe
Signatures
- Family: Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
- Orcurs Rat Executable 1 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Drops file in Program Files directory 3 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Using powershell.exe command.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\Orcus.exe"C:\Users\Admin\AppData\Local\Temp\Orcus.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\Orcus\Orcus.exe"C:\Program Files\Orcus\Orcus.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Get-MpComputerStatus | select RealTimeProtectionEnabled"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -NoProfile -ExecutionPolicy Bypass -Command "Get-MpComputerStatus | select IsTamperProtected"3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 54923⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 54924⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Program Files\Orcus\Orcus.exe"C:\Program Files\Orcus\Orcus.exe"1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Orcus.exe
Orcus.exe.config
Orcus.exe.log
powershell.exe.log
OrcusWatchdog.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_sbl32knn.wyz.ps1
OrcusWatchdog.exe
OrcusWatchdog.exe.config
memory/2232-5-0x0000018A660B0000-0x0000018A660BC000-memory.dmp
memory/2232-3-0x0000018A646B0000-0x0000018A646BE000-memory.dmp
memory/2232-1-0x0000018A7E920000-0x0000018A7E930000-memory.dmp
memory/2232-2-0x0000018A7E7B0000-0x0000018A7E80E000-memory.dmp
memory/2232-4-0x0000018A660C0000-0x0000018A660D2000-memory.dmp
memory/2232-0-0x0000018A63FA0000-0x0000018A6429C000-memory.dmp
memory/5492-22-0x0000023842040000-0x0000023842050000-memory.dmp
memory/5492-27-0x000002385BED0000-0x000002385C092000-memory.dmp
memory/5492-26-0x00000238420F0000-0x0000023842100000-memory.dmp
memory/5492-23-0x0000023842050000-0x00000238420A8000-memory.dmp
memory/5492-24-0x00000238420D0000-0x00000238420E8000-memory.dmp
memory/5492-65-0x0000023842040000-0x0000023842050000-memory.dmp
memory/5520-61-0x0000000000420000-0x0000000000428000-memory.dmp
memory/5684-35-0x000001F462DF0000-0x000001F462E12000-memory.dmp