Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/08/2024, 11:10
General
- Target BP-30M31_20240829_093844.exe
- Size 987KB
- Sample240829-m9pkgayale
- SHA256 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
Malware Config
Extracted
-
remcos
-
RemoteHost
-
192.3.243.155:7643
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
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connect_interval
1
-
copy_file
remcos.exe
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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-C9YEJ8
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
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).
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\BP-30M31_20240829_093844.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\gqxyRiPaQx.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\gqxyRiPaQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC35.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_20jdq5xb.la1.ps1
tmpEC35.tmp
memory/1560-71-0x0000000075770000-0x00000000757BC000-memory.dmp
memory/1560-81-0x0000000007070000-0x0000000007113000-memory.dmp
memory/1560-86-0x00000000075A0000-0x00000000075B1000-memory.dmp
memory/1560-88-0x00000000075E0000-0x00000000075F4000-memory.dmp
memory/1560-89-0x00000000076E0000-0x00000000076FA000-memory.dmp
memory/3592-10-0x0000000006C00000-0x0000000006C9C000-memory.dmp
memory/3592-42-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/3592-9-0x0000000006940000-0x0000000006A00000-memory.dmp
memory/3592-8-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/3592-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/3592-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/3592-6-0x0000000005D10000-0x0000000005D28000-memory.dmp
memory/3592-5-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/3592-4-0x00000000057B0000-0x00000000057BA000-memory.dmp
memory/3592-3-0x0000000005700000-0x0000000005792000-memory.dmp
memory/3592-2-0x0000000005D60000-0x0000000006304000-memory.dmp
memory/3592-1-0x0000000000D40000-0x0000000000E3E000-memory.dmp
memory/4052-20-0x0000000005070000-0x00000000050D6000-memory.dmp
memory/4052-84-0x00000000073B0000-0x00000000073BA000-memory.dmp
memory/4052-15-0x00000000026F0000-0x0000000002726000-memory.dmp
memory/4052-27-0x00000000059E0000-0x0000000005D34000-memory.dmp
memory/4052-96-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4052-18-0x0000000004F60000-0x0000000004F82000-memory.dmp
memory/4052-16-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4052-17-0x0000000005130000-0x0000000005758000-memory.dmp
memory/4052-55-0x0000000006000000-0x000000000601E000-memory.dmp
memory/4052-90-0x0000000007660000-0x0000000007668000-memory.dmp
memory/4052-56-0x0000000006540000-0x000000000658C000-memory.dmp
memory/4052-21-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4052-60-0x0000000075770000-0x00000000757BC000-memory.dmp
memory/4052-19-0x0000000005000000-0x0000000005066000-memory.dmp
memory/4052-70-0x00000000065E0000-0x00000000065FE000-memory.dmp
memory/4052-59-0x0000000006FD0000-0x0000000007002000-memory.dmp
memory/4052-87-0x0000000007570000-0x000000000757E000-memory.dmp
memory/4052-82-0x0000000007990000-0x000000000800A000-memory.dmp
memory/4052-83-0x0000000007340000-0x000000000735A000-memory.dmp
memory/4052-28-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4052-85-0x00000000075C0000-0x0000000007656000-memory.dmp
memory/4540-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-106-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-107-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-113-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-114-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-130-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4540-129-0x0000000000400000-0x0000000000482000-memory.dmp