Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-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
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OPUTA
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throtboy.duckdns.org:2037
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195.177.94.115:2037
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audio_folder
MicRecords
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audio_path
ApplicationPath
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-I4C9S0
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"1⤵
- Checks computer location settings
- 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
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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
-
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C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO850.exe"C:\Users\Admin\AppData\Local\Temp\PO850.exe"2⤵
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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\ffl4orftqqr.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_5ixmsufb.lxj.ps1
ffl4orftqqr.ps1
jlVDYNg.exe
memory/416-3-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/416-5-0x00000000051D0000-0x000000000526C000-memory.dmp
memory/416-6-0x0000000005510000-0x0000000005528000-memory.dmp
memory/416-7-0x00000000051C0000-0x00000000051D0000-memory.dmp
memory/416-8-0x0000000006930000-0x0000000006A48000-memory.dmp
memory/416-4-0x0000000005020000-0x000000000502A000-memory.dmp
memory/416-0-0x00000000004E0000-0x000000000062C000-memory.dmp
memory/416-2-0x0000000005060000-0x00000000050F2000-memory.dmp
memory/416-1-0x0000000005610000-0x0000000005BB4000-memory.dmp
memory/4188-67-0x00000000073D0000-0x00000000073E4000-memory.dmp
memory/4188-60-0x0000000007060000-0x0000000007103000-memory.dmp
memory/4188-13-0x0000000002660000-0x0000000002670000-memory.dmp
memory/4188-21-0x0000000005000000-0x0000000005628000-memory.dmp
memory/4188-69-0x00000000074B0000-0x00000000074B8000-memory.dmp
memory/4188-23-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
memory/4188-25-0x0000000005630000-0x0000000005696000-memory.dmp
memory/4188-24-0x0000000004F40000-0x0000000004FA6000-memory.dmp
memory/4188-68-0x00000000074D0000-0x00000000074EA000-memory.dmp
memory/4188-14-0x0000000002550000-0x0000000002586000-memory.dmp
memory/4188-34-0x0000000005920000-0x0000000005C74000-memory.dmp
memory/4188-35-0x0000000005E40000-0x0000000005E5E000-memory.dmp
memory/4188-36-0x0000000005E80000-0x0000000005ECC000-memory.dmp
memory/4188-66-0x00000000073C0000-0x00000000073CE000-memory.dmp
memory/4188-65-0x0000000007390000-0x00000000073A1000-memory.dmp
memory/4188-15-0x0000000002660000-0x0000000002670000-memory.dmp
memory/4188-50-0x0000000006430000-0x0000000006462000-memory.dmp
memory/4188-51-0x0000000071750000-0x000000007179C000-memory.dmp
memory/4188-59-0x0000000006470000-0x000000000648E000-memory.dmp
memory/4188-64-0x0000000007410000-0x00000000074A6000-memory.dmp
memory/4188-61-0x00000000077D0000-0x0000000007E4A000-memory.dmp
memory/4188-62-0x0000000007190000-0x00000000071AA000-memory.dmp
memory/4188-63-0x0000000007200000-0x000000000720A000-memory.dmp
memory/4196-42-0x0000016379C50000-0x0000016379C72000-memory.dmp
memory/5236-22-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-76-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-17-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-31-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-20-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-70-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-16-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-71-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-75-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-19-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-77-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-78-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-79-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-80-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-81-0x0000000000400000-0x000000000048C000-memory.dmp
memory/5236-82-0x0000000000400000-0x000000000048C000-memory.dmp