Analysis
- max time kernel
148s - max time network
147s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
29/08/2024, 11:10
General
- Target BP-30M31_20240829_093844.exe
- Size 987KB
- Sample240829-m9pkgayale
- SHA256 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
Malware Config
Extracted
-
remcos
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RemoteHost
-
192.3.243.155:7643
-
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
-
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
-
keylog_folder
remcos
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mouse_option
false
-
mutex
Rmc-C9YEJ8
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screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 29 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\BP-30M31_20240829_093844.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\gqxyRiPaQx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gqxyRiPaQx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCBE7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"C:\Users\Admin\AppData\Local\Temp\BP-30M31_20240829_093844.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
tmpCBE7.tmp
d93f411851d7c929.customDestinations-ms
memory/2188-38-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-83-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-82-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-67-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-66-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-37-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2188-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2204-1-0x0000000000280000-0x000000000037E000-memory.dmp
memory/2204-4-0x0000000073F9E000-0x0000000073F9F000-memory.dmp
memory/2204-0-0x0000000073F9E000-0x0000000073F9F000-memory.dmp
memory/2204-43-0x0000000073F90000-0x000000007467E000-memory.dmp
memory/2204-2-0x0000000073F90000-0x000000007467E000-memory.dmp
memory/2204-3-0x0000000000720000-0x0000000000738000-memory.dmp
memory/2204-6-0x0000000004F40000-0x0000000005000000-memory.dmp
memory/2204-5-0x0000000073F90000-0x000000007467E000-memory.dmp