Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 02:21
General
- Target e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.exe
- Size 924KB
- Sample240801-cszn1a1emd
- SHA256 e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7
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\e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.exe"C:\Users\Admin\AppData\Local\Temp\e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.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\e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.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\QsKsWcyUbV.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\QsKsWcyUbV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp683.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.exe"C:\Users\Admin\AppData\Local\Temp\e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7.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_4neovilp.21l.ps1
tmp683.tmp
memory/400-52-0x0000000005D20000-0x0000000005D3E000-memory.dmp
memory/400-22-0x00000000054E0000-0x0000000005546000-memory.dmp
memory/400-96-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/400-90-0x0000000007360000-0x0000000007368000-memory.dmp
memory/400-88-0x0000000007280000-0x0000000007294000-memory.dmp
memory/400-86-0x0000000007240000-0x0000000007251000-memory.dmp
memory/400-85-0x00000000072C0000-0x0000000007356000-memory.dmp
memory/400-15-0x0000000004760000-0x0000000004796000-memory.dmp
memory/400-16-0x0000000004EB0000-0x00000000054D8000-memory.dmp
memory/400-82-0x0000000007690000-0x0000000007D0A000-memory.dmp
memory/400-18-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/400-19-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/400-59-0x00000000062F0000-0x0000000006322000-memory.dmp
memory/400-23-0x00000000055C0000-0x0000000005626000-memory.dmp
memory/400-79-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/400-60-0x0000000073DA0000-0x0000000073DEC000-memory.dmp
memory/400-31-0x0000000005730000-0x0000000005A84000-memory.dmp
memory/400-83-0x0000000007040000-0x000000000705A000-memory.dmp
memory/400-53-0x0000000005DB0000-0x0000000005DFC000-memory.dmp
memory/400-21-0x0000000004D90000-0x0000000004DB2000-memory.dmp
memory/1132-26-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1132-97-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1132-89-0x00000000071B0000-0x00000000071CA000-memory.dmp
memory/1132-87-0x00000000070A0000-0x00000000070AE000-memory.dmp
memory/1132-84-0x0000000006EE0000-0x0000000006EEA000-memory.dmp
memory/1132-81-0x0000000006B60000-0x0000000006C03000-memory.dmp
memory/1132-70-0x0000000073DA0000-0x0000000073DEC000-memory.dmp
memory/1132-32-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/1936-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-105-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-54-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-103-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-56-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-104-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-55-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-29-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1936-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3980-10-0x00000000752DE000-0x00000000752DF000-memory.dmp
memory/3980-7-0x00000000063B0000-0x00000000063BE000-memory.dmp
memory/3980-6-0x0000000006390000-0x00000000063A2000-memory.dmp
memory/3980-2-0x0000000005770000-0x0000000005D14000-memory.dmp
memory/3980-1-0x0000000000630000-0x000000000071A000-memory.dmp
memory/3980-8-0x00000000064B0000-0x000000000656E000-memory.dmp
memory/3980-9-0x000000000A210000-0x000000000A2AC000-memory.dmp
memory/3980-17-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/3980-4-0x00000000051C0000-0x00000000051CA000-memory.dmp
memory/3980-33-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/3980-5-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/3980-0-0x00000000752DE000-0x00000000752DF000-memory.dmp
memory/3980-3-0x00000000050F0000-0x0000000005182000-memory.dmp