Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
28/05/2026, 18:08
General
- Target PO850.exe
- Size 1.3MB
- Sample260528-wrcbvsh16w
- SHA256 6d5324a312a84e503fe2e85ac0ef6273fb48bf590dcecc687b62901867de826b
Malware Config
Extracted
-
remcos
-
7.2.4 Pro
-
OPUTA
-
throtboy.duckdns.org:2037
-
195.177.94.115:2037
-
audio_folder
MicRecords
-
audio_path
ApplicationPath
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-I4C9S0
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Family: Remcos
Remcos is a closed-source remote control and surveillance software.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO850.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"2⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\axupu4bii23.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\jlVDYNg.exe"C:\Users\Admin\AppData\Roaming\jlVDYNg.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_55ayzwre.fgh.ps1
axupu4bii23.ps1
jlVDYNg.exe
memory/1572-66-0x0000000007450000-0x0000000007465000-memory.dmp
memory/1572-67-0x0000000007550000-0x000000000756A000-memory.dmp
memory/1572-49-0x0000000071640000-0x000000007168C000-memory.dmp
memory/1572-68-0x0000000007540000-0x0000000007548000-memory.dmp
memory/1572-48-0x0000000006E80000-0x0000000006EB4000-memory.dmp
memory/1572-14-0x0000000004B40000-0x0000000004B50000-memory.dmp
memory/1572-13-0x0000000004A00000-0x0000000004A36000-memory.dmp
memory/1572-65-0x0000000007440000-0x000000000744E000-memory.dmp
memory/1572-62-0x0000000007410000-0x0000000007421000-memory.dmp
memory/1572-15-0x0000000004B40000-0x0000000004B50000-memory.dmp
memory/1572-61-0x0000000007490000-0x0000000007526000-memory.dmp
memory/1572-60-0x0000000007280000-0x000000000728A000-memory.dmp
memory/1572-59-0x0000000007200000-0x000000000721A000-memory.dmp
memory/1572-22-0x0000000005180000-0x00000000057AA000-memory.dmp
memory/1572-58-0x0000000007840000-0x0000000007EBA000-memory.dmp
memory/1572-24-0x0000000004F20000-0x0000000004F42000-memory.dmp
memory/1572-26-0x00000000057B0000-0x0000000005816000-memory.dmp
memory/1572-25-0x00000000050C0000-0x0000000005126000-memory.dmp
memory/1572-27-0x00000000059A0000-0x0000000005CF7000-memory.dmp
memory/1572-57-0x00000000070C0000-0x0000000007164000-memory.dmp
memory/1572-34-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/1572-35-0x0000000005F40000-0x0000000005F8C000-memory.dmp
memory/1572-56-0x0000000006490000-0x00000000064AE000-memory.dmp
memory/2040-0-0x0000000000C70000-0x0000000000DBC000-memory.dmp
memory/2040-5-0x0000000005B00000-0x0000000005B9C000-memory.dmp
memory/2040-6-0x00000000079B0000-0x00000000079C8000-memory.dmp
memory/2040-2-0x0000000005880000-0x0000000005912000-memory.dmp
memory/2040-1-0x0000000005E30000-0x00000000063D6000-memory.dmp
memory/2040-4-0x0000000005860000-0x000000000586A000-memory.dmp
memory/2040-7-0x00000000059E0000-0x00000000059F0000-memory.dmp
memory/2040-8-0x0000000008060000-0x0000000008178000-memory.dmp
memory/2040-3-0x00000000059E0000-0x00000000059F0000-memory.dmp
memory/3496-23-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-73-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-20-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-79-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-17-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-18-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-63-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-82-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-72-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-21-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-74-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-75-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-77-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-78-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-16-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3496-81-0x0000000000400000-0x000000000048C000-memory.dmp
memory/3788-36-0x0000015BE4D50000-0x0000015BE4D72000-memory.dmp