Analysis
- max time kernel
149s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 06:07
General
- Target ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.exe
- Size 862KB
- Sample240801-gvbgeawbkr
- SHA256 ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884
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.
- 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\ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.exe"C:\Users\Admin\AppData\Local\Temp\ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.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\ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.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\rDjtVq.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\rDjtVq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEDCB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.exe"C:\Users\Admin\AppData\Local\Temp\ed239d6fc66b09ddc50c97e046e4ba82f77a09148c45c9424c44755fd1e64884.exe"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_mreqwszl.td1.ps1
tmpEDCB.tmp
memory/2588-16-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2588-1-0x0000000000FB0000-0x000000000108A000-memory.dmp
memory/2588-6-0x0000000006170000-0x000000000617E000-memory.dmp
memory/2588-7-0x0000000006180000-0x000000000618E000-memory.dmp
memory/2588-8-0x0000000006ED0000-0x0000000006F8E000-memory.dmp
memory/2588-9-0x000000000A930000-0x000000000A9CC000-memory.dmp
memory/2588-10-0x000000007452E000-0x000000007452F000-memory.dmp
memory/2588-4-0x0000000005A90000-0x0000000005A9A000-memory.dmp
memory/2588-51-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2588-0-0x000000007452E000-0x000000007452F000-memory.dmp
memory/2588-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp
memory/2588-5-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2588-2-0x00000000061A0000-0x0000000006744000-memory.dmp
memory/2784-90-0x0000000007080000-0x0000000007088000-memory.dmp
memory/2784-85-0x0000000006FE0000-0x0000000007076000-memory.dmp
memory/2784-84-0x0000000006DD0000-0x0000000006DDA000-memory.dmp
memory/2784-19-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2784-83-0x0000000006D60000-0x0000000006D7A000-memory.dmp
memory/2784-71-0x0000000074DB0000-0x0000000074DFC000-memory.dmp
memory/2784-35-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2784-49-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/2784-96-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3196-52-0x0000000005D90000-0x0000000005DAE000-memory.dmp
memory/3196-24-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3196-15-0x0000000002480000-0x00000000024B6000-memory.dmp
memory/3196-22-0x0000000004F60000-0x0000000004FC6000-memory.dmp
memory/3196-17-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3196-53-0x0000000006230000-0x000000000627C000-memory.dmp
memory/3196-97-0x0000000074520000-0x0000000074CD0000-memory.dmp
memory/3196-18-0x00000000050F0000-0x0000000005718000-memory.dmp
memory/3196-21-0x0000000004EC0000-0x0000000004EE2000-memory.dmp
memory/3196-59-0x0000000006340000-0x0000000006372000-memory.dmp
memory/3196-70-0x0000000006380000-0x000000000639E000-memory.dmp
memory/3196-60-0x0000000074DB0000-0x0000000074DFC000-memory.dmp
memory/3196-81-0x0000000006F90000-0x0000000007033000-memory.dmp
memory/3196-89-0x00000000073E0000-0x00000000073FA000-memory.dmp
memory/3196-82-0x00000000076E0000-0x0000000007D5A000-memory.dmp
memory/3196-34-0x0000000005800000-0x0000000005B54000-memory.dmp
memory/3196-23-0x0000000005790000-0x00000000057F6000-memory.dmp
memory/3196-88-0x00000000072E0000-0x00000000072F4000-memory.dmp
memory/3196-86-0x00000000072A0000-0x00000000072B1000-memory.dmp
memory/3196-87-0x00000000072D0000-0x00000000072DE000-memory.dmp
memory/4512-46-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-48-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-47-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4512-105-0x0000000000400000-0x000000000047F000-memory.dmp