Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/12/2024, 18:45
General
- Target 2024-12-07_5a6f38693f748bbc32b3068f72c93075_formbook_luca-stealer_magniber.exe
- Size 9.7MB
- Sample241207-xecyasyjht
- SHA256 f36f8948667116064a7810b6a1971d5ebf49f225cd0c5a0d7b7def870f93e31f
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
-
C:\Users\Admin\AppData\Local\Temp\2024-12-07_5a6f38693f748bbc32b3068f72c93075_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-07_5a6f38693f748bbc32b3068f72c93075_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\2024-12-07_5a6f38693f748bbc32b3068f72c93075_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\tmpF54D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\2024-12-07_5a6f38693f748bbc32b3068f72c93075_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2024-12-07_5a6f38693f748bbc32b3068f72c93075_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
-
C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-07_5a6f38693f748bbc32b3068f72c93075_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2024-12-07_5a6f38693f748bbc32b3068f72c93075_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\tmp5687.tmp"4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
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
-
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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-
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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_2024-12-07_5a6f38693f748bbc32b3068f72c93075_formbook_luca-stealer_magniber.exe
F6685E00
QFxlnGAh.xlsm
__PSScriptPolicyTest_qokszju5.rxn.ps1
tmpF54D.tmp
memory/372-181-0x0000000007330000-0x0000000007344000-memory.dmp
memory/372-143-0x0000000070D80000-0x0000000070DCC000-memory.dmp
memory/372-39-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/372-45-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/372-176-0x00000000070F0000-0x000000000710A000-memory.dmp
memory/372-190-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/372-175-0x0000000007730000-0x0000000007DAA000-memory.dmp
memory/372-142-0x0000000006D60000-0x0000000006D92000-memory.dmp
memory/372-177-0x0000000007160000-0x000000000716A000-memory.dmp
memory/372-21-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/372-154-0x0000000006FB0000-0x0000000007053000-memory.dmp
memory/372-153-0x0000000006D40000-0x0000000006D5E000-memory.dmp
memory/372-44-0x00000000058B0000-0x0000000005C04000-memory.dmp
memory/372-178-0x0000000007370000-0x0000000007406000-memory.dmp
memory/1148-266-0x0000000070B90000-0x0000000070BDC000-memory.dmp
memory/1148-276-0x0000000007430000-0x0000000007444000-memory.dmp
memory/1356-3-0x0000000005670000-0x0000000005702000-memory.dmp
memory/1356-2-0x0000000005B80000-0x0000000006124000-memory.dmp
memory/1356-5-0x0000000005660000-0x000000000566A000-memory.dmp
memory/1356-6-0x0000000005B20000-0x0000000005B38000-memory.dmp
memory/1356-8-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1356-1-0x00000000002C0000-0x0000000000C6E000-memory.dmp
memory/1356-4-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1356-51-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/1356-0-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/1356-10-0x0000000006E00000-0x0000000006E9C000-memory.dmp
memory/1356-9-0x0000000007070000-0x00000000071EE000-memory.dmp
memory/1356-7-0x00000000749CE000-0x00000000749CF000-memory.dmp
memory/1804-46-0x0000000000400000-0x000000000053B000-memory.dmp
memory/1804-48-0x0000000000400000-0x000000000053B000-memory.dmp
memory/2084-265-0x00000000072A0000-0x0000000007343000-memory.dmp
memory/2084-209-0x0000000005B50000-0x0000000005EA4000-memory.dmp
memory/2084-255-0x0000000070B90000-0x0000000070BDC000-memory.dmp
memory/2084-247-0x00000000061C0000-0x000000000620C000-memory.dmp
memory/3708-189-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3708-18-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3708-77-0x0000000006E20000-0x0000000006E6C000-memory.dmp
memory/3708-52-0x0000000006790000-0x00000000067AE000-memory.dmp
memory/3708-179-0x0000000007DF0000-0x0000000007E01000-memory.dmp
memory/3708-20-0x0000000005900000-0x0000000005922000-memory.dmp
memory/3708-15-0x00000000052D0000-0x0000000005306000-memory.dmp
memory/3708-182-0x0000000007F20000-0x0000000007F3A000-memory.dmp
memory/3708-165-0x0000000070D80000-0x0000000070DCC000-memory.dmp
memory/3708-23-0x0000000006130000-0x0000000006196000-memory.dmp
memory/3708-24-0x0000000006250000-0x00000000062B6000-memory.dmp
memory/3708-180-0x0000000007E20000-0x0000000007E2E000-memory.dmp
memory/3708-19-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3708-183-0x0000000007F10000-0x0000000007F18000-memory.dmp
memory/3708-17-0x0000000005950000-0x0000000005F78000-memory.dmp
memory/3708-16-0x00000000749C0000-0x0000000075170000-memory.dmp
memory/3920-199-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3920-334-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3920-335-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3920-337-0x0000000000400000-0x000000000053B000-memory.dmp
memory/3920-372-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4280-281-0x00007FF9678B0000-0x00007FF9678C0000-memory.dmp
memory/4280-283-0x00007FF9678B0000-0x00007FF9678C0000-memory.dmp
memory/4280-284-0x00007FF9678B0000-0x00007FF9678C0000-memory.dmp
memory/4280-282-0x00007FF9678B0000-0x00007FF9678C0000-memory.dmp
memory/4280-286-0x00007FF9650C0000-0x00007FF9650D0000-memory.dmp
memory/4280-287-0x00007FF9650C0000-0x00007FF9650D0000-memory.dmp
memory/4280-280-0x00007FF9678B0000-0x00007FF9678C0000-memory.dmp