Analysis
- max time kernel
149s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240709-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
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remcos
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RemoteHost
-
204.10.160.230:7983
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audio_folder
MicRecords
-
audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
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hide_keylog_file
false
-
install_flag
false
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keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-O7QOC3
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
startup_value
Remcos
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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.
- 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).
- 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\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"C:\Users\Admin\AppData\Local\Temp\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\BBVA Colombia__ Aviso de Pago.pdf.bat.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\yHGBBy.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yHGBBy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp56D5.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
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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⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_45iwl20v.viz.ps1
tmp56D5.tmp
memory/452-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-60-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-105-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-106-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-58-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-57-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-48-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-49-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-107-0x0000000000400000-0x000000000047F000-memory.dmp
memory/452-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/748-89-0x00000000077C0000-0x00000000077CE000-memory.dmp
memory/748-72-0x0000000006810000-0x000000000682E000-memory.dmp
memory/748-99-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/748-92-0x00000000078B0000-0x00000000078B8000-memory.dmp
memory/748-91-0x00000000078D0000-0x00000000078EA000-memory.dmp
memory/748-88-0x0000000007790000-0x00000000077A1000-memory.dmp
memory/748-87-0x0000000007810000-0x00000000078A6000-memory.dmp
memory/748-86-0x0000000007600000-0x000000000760A000-memory.dmp
memory/748-53-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/748-25-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/748-61-0x0000000007260000-0x0000000007292000-memory.dmp
memory/748-41-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/748-54-0x0000000006240000-0x000000000625E000-memory.dmp
memory/748-55-0x00000000067B0000-0x00000000067FC000-memory.dmp
memory/748-73-0x00000000072A0000-0x0000000007343000-memory.dmp
memory/748-62-0x0000000074FB0000-0x0000000074FFC000-memory.dmp
memory/1956-23-0x0000000005780000-0x00000000057E6000-memory.dmp
memory/1956-98-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1956-18-0x00000000057F0000-0x0000000005E18000-memory.dmp
memory/1956-17-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1956-90-0x0000000007AC0000-0x0000000007AD4000-memory.dmp
memory/1956-20-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/1956-74-0x0000000074FB0000-0x0000000074FFC000-memory.dmp
memory/1956-85-0x0000000007880000-0x000000000789A000-memory.dmp
memory/1956-84-0x0000000007EC0000-0x000000000853A000-memory.dmp
memory/1956-21-0x0000000005570000-0x0000000005592000-memory.dmp
memory/1956-40-0x0000000005EF0000-0x0000000006244000-memory.dmp
memory/1956-22-0x0000000005710000-0x0000000005776000-memory.dmp
memory/1956-15-0x0000000002C00000-0x0000000002C36000-memory.dmp
memory/1956-19-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3628-16-0x000000007472E000-0x000000007472F000-memory.dmp
memory/3628-2-0x0000000005410000-0x00000000059B4000-memory.dmp
memory/3628-52-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3628-10-0x0000000006A80000-0x0000000006B1C000-memory.dmp
memory/3628-9-0x00000000067C0000-0x000000000687E000-memory.dmp
memory/3628-5-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3628-6-0x0000000005EF0000-0x000000000641C000-memory.dmp
memory/3628-7-0x0000000005400000-0x0000000005410000-memory.dmp
memory/3628-51-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/3628-8-0x0000000005EC0000-0x0000000005ECE000-memory.dmp
memory/3628-4-0x0000000004D50000-0x0000000004D5A000-memory.dmp
memory/3628-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp
memory/3628-0-0x000000007472E000-0x000000007472F000-memory.dmp
memory/3628-1-0x0000000000270000-0x000000000035C000-memory.dmp