Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
17/05/2024, 01:21
General
- Target 47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
- Size 964KB
- Sample240517-bq4phaaf91
- SHA256 47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
Malware Config
Extracted
-
remcos
-
76364
-
103.150.8.12:5689
-
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-FF0K7G
-
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 Windows exceutables potentially bypassing UAC using eventvwr.exe 17 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 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).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\zeGjhC.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\zeGjhC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60BD.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_2o51hmak.u2q.ps1
tmp60BD.tmp
memory/744-7-0x0000000005E90000-0x0000000005E9C000-memory.dmp
memory/744-1-0x0000000000F80000-0x0000000001078000-memory.dmp
memory/744-4-0x0000000005B20000-0x0000000005B2A000-memory.dmp
memory/744-5-0x0000000074880000-0x0000000075030000-memory.dmp
memory/744-6-0x0000000005EB0000-0x0000000005ED2000-memory.dmp
memory/744-0-0x000000007488E000-0x000000007488F000-memory.dmp
memory/744-8-0x0000000003410000-0x0000000003420000-memory.dmp
memory/744-9-0x0000000008840000-0x00000000088FE000-memory.dmp
memory/744-10-0x00000000099A0000-0x0000000009A3C000-memory.dmp
memory/744-41-0x0000000074880000-0x0000000075030000-memory.dmp
memory/744-2-0x0000000005F70000-0x0000000006514000-memory.dmp
memory/744-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp
memory/3476-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-40-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-72-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-25-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-27-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3476-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4000-42-0x0000000005B90000-0x0000000005BAE000-memory.dmp
memory/4000-45-0x0000000075110000-0x000000007515C000-memory.dmp
memory/4000-56-0x0000000006BB0000-0x0000000006C53000-memory.dmp
memory/4000-57-0x00000000074F0000-0x0000000007B6A000-memory.dmp
memory/4000-58-0x0000000006EB0000-0x0000000006ECA000-memory.dmp
memory/4000-59-0x0000000006F20000-0x0000000006F2A000-memory.dmp
memory/4000-60-0x0000000007130000-0x00000000071C6000-memory.dmp
memory/4000-61-0x00000000070B0000-0x00000000070C1000-memory.dmp
memory/4000-62-0x00000000070E0000-0x00000000070EE000-memory.dmp
memory/4000-63-0x00000000070F0000-0x0000000007104000-memory.dmp
memory/4000-64-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/4000-65-0x00000000071D0000-0x00000000071D8000-memory.dmp
memory/4000-68-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4000-55-0x0000000006180000-0x000000000619E000-memory.dmp
memory/4000-44-0x0000000006140000-0x0000000006172000-memory.dmp
memory/4000-43-0x0000000005C20000-0x0000000005C6C000-memory.dmp
memory/4000-39-0x00000000055A0000-0x00000000058F4000-memory.dmp
memory/4000-21-0x0000000004D80000-0x0000000004DE6000-memory.dmp
memory/4000-22-0x0000000005530000-0x0000000005596000-memory.dmp
memory/4000-23-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4000-20-0x0000000004BD0000-0x0000000004BF2000-memory.dmp
memory/4000-18-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4000-17-0x0000000074880000-0x0000000075030000-memory.dmp
memory/4000-16-0x0000000004E10000-0x0000000005438000-memory.dmp
memory/4000-15-0x0000000002240000-0x0000000002276000-memory.dmp