Analysis
- max time kernel
149s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
06/01/2025, 00:55
General
- Target 2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
- Size 16.0MB
- Sample250106-a92hta1jex
- SHA256 40ef3d4ddd30060c71b73b2f2ef10275459e6d695d4299a47e97a659b8a6e6a6
Malware Config
Extracted
-
xred
-
xred.mooo.com
-
payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- Xred
Xred is backdoor written in Delphi.
- Xred family
- Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 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 12 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 2 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 19 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 9 IoCs
- Suspicious use of WriteProcessMemory 49 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"1⤵
- Checks computer location settings
- 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\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BLznCuyzwk.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:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE7D0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate3⤵
- 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:\ProgramData\Synaptics\Synaptics.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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\BLznCuyzwk.exe"4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4551.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
Synaptics.exe
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
StartupProfileData-NonInteractive
._cache_2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
03585E00
WohYhGcN.xlsm
__PSScriptPolicyTest_ewdifqep.fp1.ps1
tmpE7D0.tmp
memory/440-174-0x00000000073B0000-0x0000000007A2A000-memory.dmp
memory/440-32-0x0000000004C80000-0x0000000004CA2000-memory.dmp
memory/440-178-0x0000000006F90000-0x0000000006FA1000-memory.dmp
memory/440-143-0x0000000075110000-0x000000007515C000-memory.dmp
memory/440-179-0x0000000006FC0000-0x0000000006FCE000-memory.dmp
memory/440-19-0x0000000074880000-0x0000000075030000-memory.dmp
memory/440-21-0x0000000074880000-0x0000000075030000-memory.dmp
memory/440-180-0x0000000006FD0000-0x0000000006FE4000-memory.dmp
memory/440-181-0x00000000070D0000-0x00000000070EA000-memory.dmp
memory/440-189-0x0000000074880000-0x0000000075030000-memory.dmp
memory/440-24-0x0000000074880000-0x0000000075030000-memory.dmp
memory/440-34-0x00000000053E0000-0x0000000005446000-memory.dmp
memory/440-33-0x0000000005370000-0x00000000053D6000-memory.dmp
memory/440-175-0x0000000006D70000-0x0000000006D8A000-memory.dmp
memory/440-35-0x0000000005450000-0x00000000057A4000-memory.dmp
memory/2600-283-0x00000000072C0000-0x00000000072D4000-memory.dmp
memory/2600-270-0x0000000007290000-0x00000000072A1000-memory.dmp
memory/2600-261-0x0000000006F80000-0x0000000007023000-memory.dmp
memory/2600-247-0x0000000070C40000-0x0000000070C8C000-memory.dmp
memory/2600-222-0x0000000005E50000-0x0000000005E9C000-memory.dmp
memory/2868-36-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2868-37-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3408-198-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3408-334-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3408-335-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3408-336-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3408-372-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3424-51-0x0000000006850000-0x000000000686E000-memory.dmp
memory/3424-16-0x0000000074880000-0x0000000075030000-memory.dmp
memory/3424-177-0x0000000007E20000-0x0000000007EB6000-memory.dmp
memory/3424-18-0x0000000074880000-0x0000000075030000-memory.dmp
memory/3424-163-0x0000000007A60000-0x0000000007B03000-memory.dmp
memory/3424-162-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/3424-94-0x0000000075110000-0x000000007515C000-memory.dmp
memory/3424-182-0x0000000007EC0000-0x0000000007EC8000-memory.dmp
memory/3424-17-0x0000000005BD0000-0x00000000061F8000-memory.dmp
memory/3424-176-0x0000000007C10000-0x0000000007C1A000-memory.dmp
memory/3424-188-0x0000000074880000-0x0000000075030000-memory.dmp
memory/3424-93-0x0000000007A20000-0x0000000007A52000-memory.dmp
memory/3424-15-0x0000000002F40000-0x0000000002F76000-memory.dmp
memory/3424-52-0x0000000006D40000-0x0000000006D8C000-memory.dmp
memory/4036-0-0x000000007488E000-0x000000007488F000-memory.dmp
memory/4036-9-0x0000000006DA0000-0x0000000006F1E000-memory.dmp
memory/4036-7-0x000000007488E000-0x000000007488F000-memory.dmp
memory/4036-5-0x0000000005C10000-0x0000000005C1A000-memory.dmp
memory/4036-6-0x0000000005F20000-0x0000000005F38000-memory.dmp
memory/4036-3-0x0000000005B40000-0x0000000005BD2000-memory.dmp
memory/4036-1-0x0000000000070000-0x0000000001076000-memory.dmp
memory/4036-8-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4036-4-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4036-48-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4036-10-0x0000000007070000-0x000000000710C000-memory.dmp
memory/4036-2-0x00000000060F0000-0x0000000006694000-memory.dmp
memory/4128-272-0x0000000070C40000-0x0000000070C8C000-memory.dmp
memory/4128-200-0x0000000005610000-0x0000000005964000-memory.dmp
memory/4500-267-0x00007FFA9DE50000-0x00007FFA9DE60000-memory.dmp
memory/4500-282-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp
memory/4500-271-0x00007FFA9B980000-0x00007FFA9B990000-memory.dmp
memory/4500-265-0x00007FFA9DE50000-0x00007FFA9DE60000-memory.dmp
memory/4500-266-0x00007FFA9DE50000-0x00007FFA9DE60000-memory.dmp
memory/4500-269-0x00007FFA9DE50000-0x00007FFA9DE60000-memory.dmp
memory/4500-268-0x00007FFA9DE50000-0x00007FFA9DE60000-memory.dmp