Analysis
- max time kernel
148s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
18/06/2024, 15:55
General
- Target 2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4.exe
- Size 3.5MB
- Sample240618-tc3jdsvbjp
- SHA256 2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4
Malware Config
Extracted
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remcos
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RemoteHost
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23.95.60.82:4445
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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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
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-RZFAP6
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- UAC bypass 3 TTPs 1 IoCs
- Windows security bypass 2 TTPs 2 IoCs
- NirSoft MailPassView 1 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
- Nirsoft 3 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.
- Windows security modification 2 TTPs 3 IoCs
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4.exe"C:\Users\Admin\AppData\Local\Temp\2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2aec68c3818dc471865d8ca5f88d783943c1efff0f66360736a09026565035b4.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\vtzgw"3⤵
- Suspicious behavior: EnumeratesProcesses
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\fvezwuyl"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe /stext "C:\Users\Admin\AppData\Local\Temp\qpjjxmimwwt"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
__PSScriptPolicyTest_zh1gtrmp.vgr.ps1
vtzgw
memory/3816-14-0x00007FFBA4EC0000-0x00007FFBA5981000-memory.dmp
memory/3816-11-0x00007FFBA4EC3000-0x00007FFBA4EC5000-memory.dmp
memory/3816-28-0x00007FFBA4EC0000-0x00007FFBA5981000-memory.dmp
memory/3816-25-0x00007FFBA4EC0000-0x00007FFBA5981000-memory.dmp
memory/3816-21-0x0000022A54970000-0x0000022A54992000-memory.dmp
memory/4016-63-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4016-65-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4016-69-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4108-66-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4108-67-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4108-62-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4148-3-0x000001F757B40000-0x000001F757C12000-memory.dmp
memory/4148-0-0x00007FFBA4EC3000-0x00007FFBA4EC5000-memory.dmp
memory/4148-2-0x00007FFBA4EC0000-0x00007FFBA5981000-memory.dmp
memory/4148-1-0x000001F73D560000-0x000001F73D57E000-memory.dmp
memory/4148-29-0x00007FFBA4EC0000-0x00007FFBA5981000-memory.dmp
memory/4360-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-32-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-35-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-88-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-7-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-87-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-80-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-6-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-5-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-4-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4360-75-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4360-79-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4360-78-0x0000000010000000-0x0000000010019000-memory.dmp
memory/4808-68-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4808-64-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4808-61-0x0000000000400000-0x0000000000478000-memory.dmp