Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
17/05/2024, 01:17
General
- Target 33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe
- Size 610KB
- Sample240517-bnkhvaae8s
- SHA256 33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50
Malware Config
Extracted
-
remcos
-
1.7 Pro
-
banksy
-
62.102.148.166:3319
-
audio_folder
audio
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audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
egsy
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_rpklfmytvo
-
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.
- detects Windows exceutables potentially bypassing UAC using eventvwr.exe 3 IoCs
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe"C:\Users\Admin\AppData\Local\Temp\33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Local\Temp\33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\SlFGRFDB.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\SlFGRFDB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB5E2.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe"C:\Users\Admin\AppData\Local\Temp\33cc55fef11d691d7728275b1e7dfc61520cef61bb0035de7dfb8e648f086f50.exe"2⤵
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_4likktik.514.ps1
tmpB5E2.tmp
memory/232-8-0x0000000002DD0000-0x0000000002DE0000-memory.dmp
memory/232-11-0x0000000074F8E000-0x0000000074F8F000-memory.dmp
memory/232-6-0x0000000005980000-0x00000000059A2000-memory.dmp
memory/232-7-0x0000000005760000-0x000000000576C000-memory.dmp
memory/232-4-0x0000000005550000-0x000000000555A000-memory.dmp
memory/232-9-0x00000000081E0000-0x000000000823E000-memory.dmp
memory/232-10-0x00000000082E0000-0x000000000837C000-memory.dmp
memory/232-5-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/232-12-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/232-3-0x00000000055B0000-0x0000000005642000-memory.dmp
memory/232-2-0x0000000005C60000-0x0000000006204000-memory.dmp
memory/232-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp
memory/232-54-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/232-1-0x0000000000AC0000-0x0000000000B5E000-memory.dmp
memory/640-81-0x0000000007990000-0x000000000800A000-memory.dmp
memory/640-59-0x0000000075810000-0x000000007585C000-memory.dmp
memory/640-23-0x0000000005110000-0x0000000005176000-memory.dmp
memory/640-22-0x0000000005070000-0x0000000005092000-memory.dmp
memory/640-17-0x0000000004A40000-0x0000000004A76000-memory.dmp
memory/640-96-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/640-37-0x0000000005A20000-0x0000000005D74000-memory.dmp
memory/640-36-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/640-18-0x0000000005190000-0x00000000057B8000-memory.dmp
memory/640-24-0x00000000058B0000-0x0000000005916000-memory.dmp
memory/640-82-0x0000000007340000-0x000000000735A000-memory.dmp
memory/640-19-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/640-20-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/640-55-0x0000000006020000-0x000000000603E000-memory.dmp
memory/640-56-0x0000000006560000-0x00000000065AC000-memory.dmp
memory/640-79-0x0000000007210000-0x00000000072B3000-memory.dmp
memory/2192-85-0x0000000007970000-0x0000000007981000-memory.dmp
memory/2192-83-0x00000000077E0000-0x00000000077EA000-memory.dmp
memory/2192-57-0x00000000075F0000-0x0000000007622000-memory.dmp
memory/2192-80-0x0000000007630000-0x00000000076D3000-memory.dmp
memory/2192-58-0x0000000075810000-0x000000007585C000-memory.dmp
memory/2192-73-0x00000000075D0000-0x00000000075EE000-memory.dmp
memory/2192-95-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/2192-21-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/2192-84-0x00000000079F0000-0x0000000007A86000-memory.dmp
memory/2192-26-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/2192-86-0x00000000079A0000-0x00000000079AE000-memory.dmp
memory/2192-87-0x00000000079B0000-0x00000000079C4000-memory.dmp
memory/2192-88-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/2192-89-0x0000000007A90000-0x0000000007A98000-memory.dmp
memory/2192-38-0x0000000074F80000-0x0000000075730000-memory.dmp
memory/3300-40-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3300-39-0x0000000000400000-0x0000000000417000-memory.dmp
memory/3300-41-0x0000000000400000-0x0000000000417000-memory.dmp