Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
16/05/2024, 15:14
General
- Target DHL AWB DOCS 890089300.exe
- Size 964KB
- Sample240516-sma2fsaf87
- 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.
- 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\DHL AWB DOCS 890089300.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCS 890089300.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\tmp760B.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCS 890089300.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB DOCS 890089300.exe"2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_4z5jmh1w.lk2.ps1
tmp760B.tmp
memory/3364-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-77-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-76-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-74-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-45-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-78-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-41-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-81-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3364-20-0x0000000000400000-0x000000000047F000-memory.dmp
memory/4320-18-0x00000000059F0000-0x0000000006018000-memory.dmp
memory/4320-61-0x0000000007F50000-0x00000000085CA000-memory.dmp
memory/4320-29-0x0000000005820000-0x0000000005886000-memory.dmp
memory/4320-31-0x0000000006020000-0x0000000006374000-memory.dmp
memory/4320-28-0x00000000057B0000-0x0000000005816000-memory.dmp
memory/4320-27-0x0000000005710000-0x0000000005732000-memory.dmp
memory/4320-17-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4320-19-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4320-72-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4320-15-0x0000000002CE0000-0x0000000002D16000-memory.dmp
memory/4320-43-0x00000000065C0000-0x00000000065DE000-memory.dmp
memory/4320-44-0x0000000006600000-0x000000000664C000-memory.dmp
memory/4320-69-0x0000000007C20000-0x0000000007C28000-memory.dmp
memory/4320-48-0x0000000006BE0000-0x0000000006C12000-memory.dmp
memory/4320-49-0x0000000070E30000-0x0000000070E7C000-memory.dmp
memory/4320-59-0x0000000006BA0000-0x0000000006BBE000-memory.dmp
memory/4320-60-0x00000000077E0000-0x0000000007883000-memory.dmp
memory/4320-68-0x0000000007C40000-0x0000000007C5A000-memory.dmp
memory/4320-62-0x0000000007900000-0x000000000791A000-memory.dmp
memory/4320-63-0x0000000007980000-0x000000000798A000-memory.dmp
memory/4320-64-0x0000000007B80000-0x0000000007C16000-memory.dmp
memory/4320-65-0x0000000007B00000-0x0000000007B11000-memory.dmp
memory/4320-66-0x0000000007B30000-0x0000000007B3E000-memory.dmp
memory/4320-67-0x0000000007B40000-0x0000000007B54000-memory.dmp
memory/4504-30-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4504-10-0x0000000007FD0000-0x000000000806C000-memory.dmp
memory/4504-0-0x000000007464E000-0x000000007464F000-memory.dmp
memory/4504-9-0x0000000007E70000-0x0000000007F2E000-memory.dmp
memory/4504-8-0x0000000002880000-0x0000000002890000-memory.dmp
memory/4504-7-0x0000000009FE0000-0x0000000009FEC000-memory.dmp
memory/4504-6-0x0000000007950000-0x0000000007972000-memory.dmp
memory/4504-5-0x0000000074640000-0x0000000074DF0000-memory.dmp
memory/4504-4-0x0000000005060000-0x000000000506A000-memory.dmp
memory/4504-3-0x0000000004FA0000-0x0000000005032000-memory.dmp
memory/4504-2-0x0000000005650000-0x0000000005BF4000-memory.dmp
memory/4504-1-0x00000000004F0000-0x00000000005E8000-memory.dmp