Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
10/05/2024, 10:12
General
- Target 869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
- Size 604KB
- Sample240510-l8h6maca46
- SHA256 869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
NHS
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185.189.112.19:30311
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
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connect_interval
5
-
copy_file
remcos.exe
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copy_folder
remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
-
install_flag
false
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install_path
%AppData%
-
keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
nhs
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keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_lejjhxgdnt
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screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
-
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).
- 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 16 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RqlVhjJtK.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RqlVhjJtK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB1EB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"2⤵
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ed03rnwa.gfz.ps1
tmpB1EB.tmp
memory/1908-48-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1908-49-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1908-51-0x0000000000400000-0x0000000000417000-memory.dmp
memory/1928-10-0x0000000008F00000-0x0000000008F9C000-memory.dmp
memory/1928-5-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/1928-9-0x00000000066B0000-0x0000000006710000-memory.dmp
memory/1928-8-0x0000000006670000-0x0000000006686000-memory.dmp
memory/1928-11-0x000000007484E000-0x000000007484F000-memory.dmp
memory/1928-12-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/1928-6-0x0000000006AD0000-0x0000000006AE8000-memory.dmp
memory/1928-7-0x0000000006660000-0x000000000666E000-memory.dmp
memory/1928-0-0x000000007484E000-0x000000007484F000-memory.dmp
memory/1928-54-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/1928-4-0x0000000005480000-0x000000000548A000-memory.dmp
memory/1928-3-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/1928-2-0x0000000005AA0000-0x0000000006044000-memory.dmp
memory/1928-1-0x0000000000B30000-0x0000000000BCC000-memory.dmp
memory/2192-79-0x0000000007130000-0x00000000071D3000-memory.dmp
memory/2192-20-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/2192-24-0x0000000005760000-0x00000000057C6000-memory.dmp
memory/2192-18-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/2192-17-0x0000000004970000-0x00000000049A6000-memory.dmp
memory/2192-25-0x0000000005880000-0x00000000058E6000-memory.dmp
memory/2192-91-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/2192-40-0x0000000005940000-0x0000000005C94000-memory.dmp
memory/2192-21-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/2192-19-0x0000000005040000-0x0000000005668000-memory.dmp
memory/2192-55-0x0000000005F30000-0x0000000005F4E000-memory.dmp
memory/2192-56-0x0000000005F60000-0x0000000005FAC000-memory.dmp
memory/2192-87-0x00000000075B0000-0x00000000075CA000-memory.dmp
memory/2192-58-0x00000000750F0000-0x000000007513C000-memory.dmp
memory/2192-57-0x0000000006EE0000-0x0000000006F12000-memory.dmp
memory/2192-23-0x00000000056C0000-0x00000000056E2000-memory.dmp
memory/2192-77-0x0000000006EC0000-0x0000000006EDE000-memory.dmp
memory/2192-86-0x00000000074B0000-0x00000000074C4000-memory.dmp
memory/2192-85-0x00000000074A0000-0x00000000074AE000-memory.dmp
memory/4500-82-0x0000000007920000-0x000000000792A000-memory.dmp
memory/4500-83-0x0000000007B30000-0x0000000007BC6000-memory.dmp
memory/4500-84-0x0000000007AB0000-0x0000000007AC1000-memory.dmp
memory/4500-80-0x0000000007EF0000-0x000000000856A000-memory.dmp
memory/4500-81-0x00000000078B0000-0x00000000078CA000-memory.dmp
memory/4500-59-0x00000000750F0000-0x000000007513C000-memory.dmp
memory/4500-88-0x0000000007BD0000-0x0000000007BD8000-memory.dmp
memory/4500-22-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/4500-44-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/4500-41-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/4500-95-0x0000000074840000-0x0000000074FF0000-memory.dmp