Analysis
- max time kernel
150s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
06/01/2025, 00:48
General
- Target 2025-01-06_3b093fbed48d397d5d8507622761fbb5_formbook_luca-stealer_magniber.exe
- Size 16.0MB
- Sample250106-a5sp4ssqfq
- 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 18 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 49 IoCs
Processes
-
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\tmpA0D.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
-
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
-
-
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
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLznCuyzwk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70D6.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
44885E00
__PSScriptPolicyTest_curkuzfg.eto.ps1
tmpA0D.tmp
xhfwSY6n.xlsm
memory/2124-286-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp
memory/2124-287-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp
memory/2124-288-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp
memory/2124-289-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp
memory/2124-290-0x00007FFA87C70000-0x00007FFA87C80000-memory.dmp
memory/2124-291-0x00007FFA87C70000-0x00007FFA87C80000-memory.dmp
memory/2124-285-0x00007FFA8A310000-0x00007FFA8A320000-memory.dmp
memory/2676-9-0x0000000007BF0000-0x0000000007D6E000-memory.dmp
memory/2676-3-0x0000000006530000-0x00000000065C2000-memory.dmp
memory/2676-1-0x0000000000AD0000-0x0000000001AD6000-memory.dmp
memory/2676-2-0x0000000006A40000-0x0000000006FE4000-memory.dmp
memory/2676-0-0x00000000747CE000-0x00000000747CF000-memory.dmp
memory/2676-5-0x00000000064F0000-0x00000000064FA000-memory.dmp
memory/2676-4-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2676-31-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2676-6-0x0000000007BB0000-0x0000000007BC8000-memory.dmp
memory/2676-10-0x00000000077D0000-0x000000000786C000-memory.dmp
memory/2676-8-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2676-7-0x00000000747CE000-0x00000000747CF000-memory.dmp
memory/2824-22-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2824-32-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2824-23-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2824-154-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2824-25-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3180-377-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3180-341-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3180-339-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3180-338-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3180-221-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3688-263-0x0000000075020000-0x000000007506C000-memory.dmp
memory/3688-281-0x0000000007740000-0x0000000007754000-memory.dmp
memory/3688-215-0x0000000005B40000-0x0000000005E94000-memory.dmp
memory/3952-28-0x0000000005BB0000-0x0000000005BD2000-memory.dmp
memory/3952-168-0x00000000702E0000-0x000000007032C000-memory.dmp
memory/3952-182-0x0000000007840000-0x0000000007851000-memory.dmp
memory/3952-183-0x0000000007870000-0x000000000787E000-memory.dmp
memory/3952-30-0x0000000005CC0000-0x0000000005D26000-memory.dmp
memory/3952-29-0x0000000005C50000-0x0000000005CB6000-memory.dmp
memory/3952-179-0x0000000007640000-0x000000000765A000-memory.dmp
memory/3952-27-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3952-21-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3952-192-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3952-19-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4112-280-0x0000000007BE0000-0x0000000007BF1000-memory.dmp
memory/4112-262-0x0000000007890000-0x0000000007933000-memory.dmp
memory/4112-226-0x00000000066D0000-0x000000000671C000-memory.dmp
memory/4112-252-0x0000000075020000-0x000000007506C000-memory.dmp
memory/4128-156-0x00000000702E0000-0x000000007032C000-memory.dmp
memory/4128-184-0x0000000007C50000-0x0000000007C64000-memory.dmp
memory/4128-167-0x0000000007700000-0x00000000077A3000-memory.dmp
memory/4128-155-0x00000000076C0000-0x00000000076F2000-memory.dmp
memory/4128-193-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4128-79-0x0000000006C30000-0x0000000006C7C000-memory.dmp
memory/4128-78-0x00000000066E0000-0x00000000066FE000-memory.dmp
memory/4128-186-0x0000000007D30000-0x0000000007D38000-memory.dmp
memory/4128-185-0x0000000007D50000-0x0000000007D6A000-memory.dmp
memory/4128-166-0x0000000006CC0000-0x0000000006CDE000-memory.dmp
memory/4128-44-0x0000000006240000-0x0000000006594000-memory.dmp
memory/4128-181-0x0000000007C90000-0x0000000007D26000-memory.dmp
memory/4128-24-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4128-180-0x0000000007A80000-0x0000000007A8A000-memory.dmp
memory/4128-178-0x0000000008060000-0x00000000086DA000-memory.dmp
memory/4128-18-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4128-16-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4128-17-0x0000000005A30000-0x0000000006058000-memory.dmp
memory/4128-15-0x0000000002DD0000-0x0000000002E06000-memory.dmp