Analysis
- max time kernel
131s - max time network
141s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
10/05/2024, 09:38
General
- Target acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.exe
- Size 606KB
- Sample240510-ll2pfsaf79
- SHA256 acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
gg
-
62.102.148.185:9771
-
audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
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copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
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install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
newstart
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keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_wgwfvnfssp
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
-
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.
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.exe"C:\Users\Admin\AppData\Local\Temp\acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.exe"1⤵
- 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\acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.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\mVRHqirOY.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\mVRHqirOY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8DDE.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.exe"C:\Users\Admin\AppData\Local\Temp\acbf12b2320144b2fa6410177816a70ffd423790b5c65cb6d6c6566e0ca1be18.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp8DDE.tmp
d93f411851d7c929.customDestinations-ms
memory/2232-5-0x00000000004F0000-0x0000000000506000-memory.dmp
memory/2232-37-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2232-4-0x0000000000440000-0x000000000044E000-memory.dmp
memory/2232-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp
memory/2232-6-0x0000000004C30000-0x0000000004C90000-memory.dmp
memory/2232-7-0x0000000073F1E000-0x0000000073F1F000-memory.dmp
memory/2232-8-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2232-2-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2232-1-0x0000000000990000-0x0000000000A2E000-memory.dmp
memory/2232-3-0x00000000004D0000-0x00000000004E8000-memory.dmp
memory/2584-21-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-29-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-32-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2584-27-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-25-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-33-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-34-0x0000000000400000-0x0000000000417000-memory.dmp
memory/2584-23-0x0000000000400000-0x0000000000417000-memory.dmp