Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 10:56
Static task
static1
Behavioral task
behavioral1
Sample
b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
Resource
win10v2004-20260513-en
General
- Target b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
- Size 994KB
- Sample260910-m1t4lagf29
- SHA256 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1
- MD5 f71681e3d2ab2b351dcafd96d1ebc9b3
- SHA1 3ac43b83c9563d31be2a71e945eb9c1fdf362d74
- SHA512 f4d5c303e66bf82f722ec213714bee5d1aaf08e0d86401d6b2da98282c56cfadfcc0978e562ce263f28f49384b39bd3686d698b9909f423081ed5d3e88db7a08
- SSDEEP 24576:cJZ8cHObaV05PWu6lCVIrLhLL8WlI5XcGgQ:5cp8eu6wqrR3lI5XcG
- TLSH T13B2512156B8BDC13C4761BB928D2D23013350DCAA463D06B5FDA3EDB3A36BA59AC4743
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
remcos
-
7.2.6 Pro
-
DON32UPX
-
217.60.195.33:17541
-
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-QO96S8
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" jXL.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 5292 powershell.exe - Executes dropped EXE 4 IoCs
pid Process 2304 jXL.exe 1612 jXL.exe 764 jXL.exe 3040 jXL.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe Key enumerated \REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\jXL = "\"C:\\Windows\\system32\\WindowsPowerShell\\v1.0\\powershell.exe\" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command \"$l02k0j=Get-Date;$bqqgil=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$ppnope=[System.Environment]::TickCount;$ulhnro=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGpYTC5leGU=')));$ppnope=[System.Environment]::TickCount;& $bqqgil -FilePath $ulhnro\"" b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4128 set thread context of 2636 4128 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe 89 PID 2304 set thread context of 3040 2304 jXL.exe 96 -
resource yara_rule behavioral2/memory/2636-11-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-12-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-13-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-14-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-16-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-15-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-17-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-23-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-24-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-25-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-36-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-40-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-41-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-42-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-50-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-49-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-52-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-51-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-54-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-53-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-55-0x0000000000400000-0x0000000000495000-memory.dmp upx behavioral2/memory/2636-56-0x0000000000400000-0x0000000000495000-memory.dmp upx - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jXL.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5292 powershell.exe 5292 powershell.exe 2304 jXL.exe 2304 jXL.exe 2304 jXL.exe 2304 jXL.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 5292 powershell.exe Token: SeDebugPrivilege 2304 jXL.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4128 wrote to memory of 2636 4128 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe 89 PID 4128 wrote to memory of 2636 4128 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe 89 PID 4128 wrote to memory of 2636 4128 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe 89 PID 4128 wrote to memory of 2636 4128 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe 89 PID 5292 wrote to memory of 2304 5292 powershell.exe 92 PID 2304 wrote to memory of 1612 2304 jXL.exe 94 PID 2304 wrote to memory of 764 2304 jXL.exe 95 PID 2304 wrote to memory of 3040 2304 jXL.exe 96 PID 2304 wrote to memory of 3040 2304 jXL.exe 96 PID 2304 wrote to memory of 3040 2304 jXL.exe 96 PID 2304 wrote to memory of 3040 2304 jXL.exe 96 - outlook_office_path 1 IoCs
description ioc Process Key enumerated \REGISTRY\USER\S-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"C:\Users\Admin\AppData\Local\Temp\b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1.exe"2⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
PID:2636
-
-
C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$l02k0j=Get-Date;$bqqgil=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$ppnope=[System.Environment]::TickCount;$ulhnro=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGpYTC5leGU=')));$ppnope=[System.Environment]::TickCount;& $bqqgil -FilePath $ulhnro"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5292 -
C:\Users\Admin\AppData\Roaming\jXL.exe"C:\Users\Admin\AppData\Roaming\jXL.exe"2⤵
- Modifies Windows Defender DisableAntiSpyware 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
PID:2304 -
C:\Users\Admin\AppData\Roaming\jXL.exe"C:\Users\Admin\AppData\Roaming\jXL.exe"3⤵
- Executes dropped EXE
PID:1612
-
-
C:\Users\Admin\AppData\Roaming\jXL.exe"C:\Users\Admin\AppData\Roaming\jXL.exe"3⤵
- Executes dropped EXE
PID:764
-
-
C:\Users\Admin\AppData\Roaming\jXL.exe"C:\Users\Admin\AppData\Roaming\jXL.exe"3⤵
- Executes dropped EXE
PID:3040
-
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\jXL.exe
- Size 994KB
- SHA256 b856704dcb7b2f172d96f5a804628bc5ce615c7750a952b88eff541f16d5afe1
- MD5 f71681e3d2ab2b351dcafd96d1ebc9b3
- SHA1 3ac43b83c9563d31be2a71e945eb9c1fdf362d74
- SHA512 f4d5c303e66bf82f722ec213714bee5d1aaf08e0d86401d6b2da98282c56cfadfcc0978e562ce263f28f49384b39bd3686d698b9909f423081ed5d3e88db7a08
- SSDEEP 24576:cJZ8cHObaV05PWu6lCVIrLhLL8WlI5XcGgQ:5cp8eu6wqrR3lI5XcG
- TLSH T13B2512156B8BDC13C4761BB928D2D23013350DCAA463D06B5FDA3EDB3A36BA59AC4743
- MD5 SHA1 SHA512 SSDEEP TLSH