Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
04/01/2025, 01:57
General
- Target 2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe
- Size 12.7MB
- Sample250104-cdc7fsxmep
- SHA256 514a14f7267dac3425bbce5401ec23c852d328f31d7ddc5ff5b8f8b9e593d832
Malware Config
Extracted
-
xred
-
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 6 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 26 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 7 IoCs
- Suspicious use of WriteProcessMemory 61 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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\tmpB1FA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe"C:\Users\Admin\AppData\Local\Temp\._cache_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_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\tmp942.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⤵
- Executes dropped EXE
-
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe"4⤵
- Executes dropped EXE
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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_2025-01-04_a94900a8aa0fbbdba50000bf65d5d62e_formbook_luca-stealer_magniber.exe
76185E00
VMwGBJER.xlsm
__PSScriptPolicyTest_gbsfhifz.jem.ps1
tmpB1FA.tmp
memory/552-181-0x0000000007340000-0x000000000735A000-memory.dmp
memory/552-182-0x0000000007320000-0x0000000007328000-memory.dmp
memory/552-149-0x0000000071760000-0x00000000717AC000-memory.dmp
memory/552-189-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/552-18-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/552-35-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/552-148-0x0000000006C90000-0x0000000006CC2000-memory.dmp
memory/552-179-0x0000000007230000-0x000000000723E000-memory.dmp
memory/552-28-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/760-283-0x00000000074B0000-0x00000000074C1000-memory.dmp
memory/760-259-0x0000000071890000-0x00000000718DC000-memory.dmp
memory/760-285-0x00000000074E0000-0x00000000074F4000-memory.dmp
memory/1028-249-0x0000000071890000-0x00000000718DC000-memory.dmp
memory/1028-196-0x00000000061A0000-0x00000000064F4000-memory.dmp
memory/1028-269-0x0000000007A20000-0x0000000007AC3000-memory.dmp
memory/1028-224-0x0000000006D40000-0x0000000006D8C000-memory.dmp
memory/1600-176-0x0000000007300000-0x000000000730A000-memory.dmp
memory/1600-16-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1600-52-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/1600-51-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/1600-15-0x0000000002660000-0x0000000002696000-memory.dmp
memory/1600-151-0x0000000071760000-0x00000000717AC000-memory.dmp
memory/1600-170-0x0000000007160000-0x0000000007203000-memory.dmp
memory/1600-168-0x0000000007140000-0x000000000715E000-memory.dmp
memory/1600-188-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1600-174-0x00000000078E0000-0x0000000007F5A000-memory.dmp
memory/1600-34-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1600-175-0x0000000007290000-0x00000000072AA000-memory.dmp
memory/1600-17-0x0000000005100000-0x0000000005728000-memory.dmp
memory/1600-177-0x0000000007510000-0x00000000075A6000-memory.dmp
memory/1600-178-0x0000000007490000-0x00000000074A1000-memory.dmp
memory/1600-33-0x0000000005980000-0x0000000005CD4000-memory.dmp
memory/1600-180-0x00000000074D0000-0x00000000074E4000-memory.dmp
memory/1600-20-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/1600-19-0x0000000004FA0000-0x0000000004FC2000-memory.dmp
memory/1600-21-0x0000000005910000-0x0000000005976000-memory.dmp
memory/3276-346-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-349-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-279-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-348-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-284-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp
memory/3276-347-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-282-0x00007FF7D41A0000-0x00007FF7D41B0000-memory.dmp
memory/3276-281-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-280-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-278-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3276-277-0x00007FF7D6870000-0x00007FF7D6880000-memory.dmp
memory/3820-10-0x000000000AD50000-0x000000000ADEC000-memory.dmp
memory/3820-0-0x00000000751AE000-0x00000000751AF000-memory.dmp
memory/3820-8-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/3820-6-0x0000000006350000-0x0000000006368000-memory.dmp
memory/3820-9-0x0000000007660000-0x00000000077DE000-memory.dmp
memory/3820-48-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/3820-4-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/3820-5-0x0000000005F50000-0x0000000005F5A000-memory.dmp
memory/3820-3-0x0000000005E90000-0x0000000005F22000-memory.dmp
memory/3820-2-0x0000000006440000-0x00000000069E4000-memory.dmp
memory/3820-7-0x00000000751AE000-0x00000000751AF000-memory.dmp
memory/3820-1-0x0000000000920000-0x00000000015E6000-memory.dmp
memory/4228-331-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4228-330-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4228-220-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4228-350-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4228-382-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4724-46-0x0000000000400000-0x000000000053B000-memory.dmp
memory/4724-45-0x0000000000400000-0x000000000053B000-memory.dmp