Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
20/11/2024, 06:52
General
- Target Pago_BBVA.pdf.bat.exe
- Size 972KB
- Sample241120-hm325asgmd
- SHA256 6474ef699648b5f34d8739a9a102836b27e4dcfe718404fcd09a428d2e89a973
Malware Config
Extracted
-
remcos
-
RemoteHost
-
162.251.122.76:7119
-
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-P2SX34
-
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.
- Remcos family
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Pago_BBVA.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\Pago_BBVA.pdf.bat.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
-
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\Pago_BBVA.pdf.bat.exe"2⤵
- 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\ZxiJIiRCztV.exe"2⤵
- 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\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F8B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Pago_BBVA.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\Pago_BBVA.pdf.bat.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_sc0gmhmc.fcz.ps1
tmp7F8B.tmp
memory/1444-82-0x0000000006DE0000-0x0000000006E83000-memory.dmp
memory/1444-20-0x0000000074970000-0x0000000075120000-memory.dmp
memory/1444-25-0x0000000074970000-0x0000000075120000-memory.dmp
memory/1444-60-0x00000000061E0000-0x0000000006212000-memory.dmp
memory/1444-97-0x0000000074970000-0x0000000075120000-memory.dmp
memory/1444-62-0x0000000075220000-0x000000007526C000-memory.dmp
memory/1444-90-0x0000000007280000-0x000000000729A000-memory.dmp
memory/1444-89-0x0000000007180000-0x0000000007194000-memory.dmp
memory/1444-88-0x0000000007170000-0x000000000717E000-memory.dmp
memory/1444-16-0x00000000009C0000-0x00000000009F6000-memory.dmp
memory/1444-83-0x0000000007580000-0x0000000007BFA000-memory.dmp
memory/1444-19-0x0000000074970000-0x0000000075120000-memory.dmp
memory/3452-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-59-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-50-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-48-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3452-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3752-52-0x00000000068B0000-0x00000000068CE000-memory.dmp
memory/3752-85-0x0000000007C50000-0x0000000007C5A000-memory.dmp
memory/3752-54-0x0000000006DD0000-0x0000000006E1C000-memory.dmp
memory/3752-96-0x0000000074970000-0x0000000075120000-memory.dmp
memory/3752-46-0x0000000074970000-0x0000000075120000-memory.dmp
memory/3752-37-0x00000000062B0000-0x0000000006604000-memory.dmp
memory/3752-41-0x0000000074970000-0x0000000075120000-memory.dmp
memory/3752-23-0x0000000006160000-0x00000000061C6000-memory.dmp
memory/3752-24-0x0000000006240000-0x00000000062A6000-memory.dmp
memory/3752-22-0x0000000006080000-0x00000000060A2000-memory.dmp
memory/3752-61-0x0000000075220000-0x000000007526C000-memory.dmp
memory/3752-77-0x0000000006E70000-0x0000000006E8E000-memory.dmp
memory/3752-18-0x0000000005950000-0x0000000005F78000-memory.dmp
memory/3752-17-0x0000000074970000-0x0000000075120000-memory.dmp
memory/3752-84-0x0000000007BE0000-0x0000000007BFA000-memory.dmp
memory/3752-91-0x0000000007F00000-0x0000000007F08000-memory.dmp
memory/3752-86-0x0000000007E60000-0x0000000007EF6000-memory.dmp
memory/3752-87-0x0000000007DE0000-0x0000000007DF1000-memory.dmp
memory/4624-7-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4624-10-0x0000000005ED0000-0x0000000005EE2000-memory.dmp
memory/4624-9-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4624-0-0x000000007497E000-0x000000007497F000-memory.dmp
memory/4624-8-0x000000007497E000-0x000000007497F000-memory.dmp
memory/4624-53-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4624-11-0x0000000006F30000-0x0000000006FF0000-memory.dmp
memory/4624-5-0x0000000005160000-0x000000000516A000-memory.dmp
memory/4624-6-0x0000000005E30000-0x0000000005ECC000-memory.dmp
memory/4624-4-0x0000000005180000-0x000000000522A000-memory.dmp
memory/4624-3-0x0000000004F90000-0x0000000005022000-memory.dmp
memory/4624-2-0x0000000005680000-0x0000000005C24000-memory.dmp
memory/4624-1-0x0000000000600000-0x00000000006F4000-memory.dmp