Analysis
- max time kernel
148s - max time network
148s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
14/07/2024, 07:16
General
- Target BBVA Colombia__ Aviso de Pago.pdf.bat.exe
- Size 930KB
- Sample240714-h3slbstdmd
- SHA256 b9fbf6a6545fcc42cb88d3261d5ab2e9c1a61f2efd0955ee9426d78418eb6a73
Malware Config
Extracted
-
remcos
-
RemoteHost
-
204.10.160.230:7983
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-O7QOC3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 25 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"1⤵
- Suspicious use of SetThreadContext
- 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:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\yHGBBy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHGBBy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEBF4.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpEBF4.tmp
d93f411851d7c929.customDestinations-ms
memory/2684-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-33-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-53-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-52-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-51-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-50-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2684-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-48-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-30-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2684-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2692-40-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2692-39-0x0000000074C9E000-0x0000000074C9F000-memory.dmp
memory/2692-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp
memory/2692-3-0x0000000000440000-0x0000000000450000-memory.dmp
memory/2692-1-0x0000000000CA0000-0x0000000000D8C000-memory.dmp
memory/2692-2-0x0000000074C90000-0x000000007537E000-memory.dmp
memory/2692-5-0x0000000005760000-0x000000000581E000-memory.dmp
memory/2692-4-0x0000000000650000-0x000000000065E000-memory.dmp