Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
14/12/2024, 20:25
General
- Target 2024-12-14_517bcba070388f8c144d70c3801b2ba1_formbook_luca-stealer_magniber.exe
- Size 16.2MB
- Sample241214-y7ajbatjb1
- SHA256 284d0b2873a26c06c5006b3e75ca0d8d1460f78a7b91ac343ec57c57963eb819
Malware Config
Extracted
-
xred
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xred.mooo.com
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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\2024-12-14_517bcba070388f8c144d70c3801b2ba1_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-14_517bcba070388f8c144d70c3801b2ba1_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\2024-12-14_517bcba070388f8c144d70c3801b2ba1_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\tmpEB69.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\2024-12-14_517bcba070388f8c144d70c3801b2ba1_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-14_517bcba070388f8c144d70c3801b2ba1_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_2024-12-14_517bcba070388f8c144d70c3801b2ba1_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-14_517bcba070388f8c144d70c3801b2ba1_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\tmp49A6.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_2024-12-14_517bcba070388f8c144d70c3801b2ba1_formbook_luca-stealer_magniber.exe
C7585E00
__PSScriptPolicyTest_1lzi0qsw.gvd.ps1
tmpEB69.tmp
vXmbgRxD.xlsm
memory/232-265-0x000000006FB80000-0x000000006FBCC000-memory.dmp
memory/764-241-0x0000000005C30000-0x0000000005C7C000-memory.dmp
memory/764-277-0x0000000007110000-0x0000000007121000-memory.dmp
memory/764-200-0x0000000005670000-0x00000000059C4000-memory.dmp
memory/764-254-0x000000006FB80000-0x000000006FBCC000-memory.dmp
memory/764-264-0x0000000006DC0000-0x0000000006E63000-memory.dmp
memory/764-278-0x0000000007150000-0x0000000007164000-memory.dmp
memory/2452-332-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2452-203-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2452-369-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2452-334-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2452-331-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2544-3-0x0000000005BC0000-0x0000000005C52000-memory.dmp
memory/2544-6-0x00000000060B0000-0x00000000060C8000-memory.dmp
memory/2544-5-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2544-4-0x0000000005C80000-0x0000000005C8A000-memory.dmp
memory/2544-41-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2544-7-0x000000007469E000-0x000000007469F000-memory.dmp
memory/2544-2-0x00000000060D0000-0x0000000006674000-memory.dmp
memory/2544-1-0x00000000001B0000-0x00000000011DE000-memory.dmp
memory/2544-0-0x000000007469E000-0x000000007469F000-memory.dmp
memory/2544-8-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/2544-9-0x00000000072F0000-0x000000000746E000-memory.dmp
memory/2544-10-0x0000000006F10000-0x0000000006FAC000-memory.dmp
memory/3684-150-0x000000006F600000-0x000000006F64C000-memory.dmp
memory/3684-164-0x0000000007710000-0x000000000771A000-memory.dmp
memory/3684-163-0x00000000076A0000-0x00000000076BA000-memory.dmp
memory/3684-175-0x0000000007920000-0x00000000079B6000-memory.dmp
memory/3684-176-0x00000000078A0000-0x00000000078B1000-memory.dmp
memory/3684-177-0x00000000078D0000-0x00000000078DE000-memory.dmp
memory/3684-178-0x00000000078E0000-0x00000000078F4000-memory.dmp
memory/3684-179-0x00000000079E0000-0x00000000079FA000-memory.dmp
memory/3684-162-0x0000000007CE0000-0x000000000835A000-memory.dmp
memory/3684-183-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3684-161-0x0000000007560000-0x0000000007603000-memory.dmp
memory/3684-149-0x0000000006930000-0x0000000006962000-memory.dmp
memory/3684-160-0x00000000069A0000-0x00000000069BE000-memory.dmp
memory/3684-35-0x0000000006420000-0x000000000646C000-memory.dmp
memory/3684-34-0x0000000006370000-0x000000000638E000-memory.dmp
memory/3684-19-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3684-33-0x0000000005D50000-0x00000000060A4000-memory.dmp
memory/3684-20-0x00000000052B0000-0x00000000052D2000-memory.dmp
memory/3684-21-0x0000000005350000-0x00000000053B6000-memory.dmp
memory/3684-22-0x00000000054C0000-0x0000000005526000-memory.dmp
memory/3684-18-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3684-17-0x0000000005560000-0x0000000005B88000-memory.dmp
memory/3684-16-0x0000000074690000-0x0000000074E40000-memory.dmp
memory/3684-15-0x0000000004DD0000-0x0000000004E06000-memory.dmp
memory/4296-36-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4296-37-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4592-180-0x0000000007470000-0x0000000007478000-memory.dmp
memory/4592-165-0x000000006F600000-0x000000006F64C000-memory.dmp
memory/4596-276-0x00007FF9BEE10000-0x00007FF9BEE20000-memory.dmp
memory/4596-275-0x00007FF9BEE10000-0x00007FF9BEE20000-memory.dmp
memory/4596-253-0x00007FF9C0E70000-0x00007FF9C0E80000-memory.dmp
memory/4596-252-0x00007FF9C0E70000-0x00007FF9C0E80000-memory.dmp
memory/4596-250-0x00007FF9C0E70000-0x00007FF9C0E80000-memory.dmp
memory/4596-251-0x00007FF9C0E70000-0x00007FF9C0E80000-memory.dmp
memory/4596-249-0x00007FF9C0E70000-0x00007FF9C0E80000-memory.dmp