Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
26/06/2024, 01:04
General
- Target 19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe
- Size 912KB
- Sample240626-bfebvsxfqk
- SHA256 19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a
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.
- Detects executables packed with SmartAssembly 2 IoCs
- detects Windows exceutables potentially bypassing UAC using eventvwr.exe 14 IoCs
- 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 18 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\XLXurlFcEznd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XLXurlFcEznd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB61.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"C:\Users\Admin\AppData\Local\Temp\19c2d1f233ea3d256026796196e7067af26534ab46874cf4fdbacb7e73e5922a.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ysujevv2.ig2.ps1
tmpBB61.tmp
memory/2376-21-0x0000000004EE0000-0x0000000004F02000-memory.dmp
memory/2376-84-0x0000000007510000-0x000000000752A000-memory.dmp
memory/2376-55-0x00000000753C0000-0x000000007540C000-memory.dmp
memory/2376-53-0x0000000006350000-0x000000000639C000-memory.dmp
memory/2376-83-0x0000000007410000-0x0000000007424000-memory.dmp
memory/2376-82-0x0000000007400000-0x000000000740E000-memory.dmp
memory/2376-80-0x0000000007450000-0x00000000074E6000-memory.dmp
memory/2376-78-0x00000000071D0000-0x00000000071EA000-memory.dmp
memory/2376-16-0x0000000002590000-0x00000000025C6000-memory.dmp
memory/2376-17-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/2376-18-0x00000000051B0000-0x00000000057D8000-memory.dmp
memory/2376-19-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/2376-67-0x00000000070B0000-0x0000000007153000-memory.dmp
memory/2376-23-0x00000000050F0000-0x0000000005156000-memory.dmp
memory/2376-22-0x0000000005080000-0x00000000050E6000-memory.dmp
memory/2376-65-0x0000000006460000-0x000000000647E000-memory.dmp
memory/2376-54-0x0000000006480000-0x00000000064B2000-memory.dmp
memory/2376-91-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/2376-52-0x0000000005EB0000-0x0000000005ECE000-memory.dmp
memory/2376-29-0x0000000005860000-0x0000000005BB4000-memory.dmp
memory/2376-30-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3028-6-0x0000000005B20000-0x0000000005B30000-memory.dmp
memory/3028-9-0x000000000A510000-0x000000000A5AC000-memory.dmp
memory/3028-42-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3028-7-0x000000000A200000-0x000000000A20C000-memory.dmp
memory/3028-1-0x0000000000AF0000-0x0000000000BD8000-memory.dmp
memory/3028-5-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3028-2-0x0000000005B30000-0x00000000060D4000-memory.dmp
memory/3028-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp
memory/3028-10-0x0000000074B3E000-0x0000000074B3F000-memory.dmp
memory/3028-3-0x0000000005620000-0x00000000056B2000-memory.dmp
memory/3028-4-0x00000000055E0000-0x00000000055EA000-memory.dmp
memory/3028-8-0x000000000A250000-0x000000000A30E000-memory.dmp
memory/3028-11-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/3340-36-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-38-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-102-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-37-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-101-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-100-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-95-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-99-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-98-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-39-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-97-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-96-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-93-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3340-94-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4260-35-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4260-79-0x00000000073C0000-0x00000000073CA000-memory.dmp
memory/4260-92-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4260-40-0x0000000074B30000-0x00000000752E0000-memory.dmp
memory/4260-85-0x0000000007670000-0x0000000007678000-memory.dmp
memory/4260-66-0x00000000753C0000-0x000000007540C000-memory.dmp
memory/4260-77-0x0000000007990000-0x000000000800A000-memory.dmp
memory/4260-81-0x0000000007550000-0x0000000007561000-memory.dmp