Analysis
- max time kernel
148s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
07/05/2024, 06:14
General
- Target Bordbns.exe
- Size 415KB
- Sample240507-gzbb7sfe45
- SHA256 b1ab36e342ada65f2ba8ebc069b3e6ab1c51c0a092e09addb8f3408cf8fbdf8a
Malware Config
Extracted
-
remcos
-
RemoteHost
-
185.202.173.179:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
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copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-IQO6U9
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 7 IoCs
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Program Files directory 4 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bordbns.exe"C:\Users\Admin\AppData\Local\Temp\Bordbns.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Bordbns.exe"C:\Users\Admin\AppData\Local\Temp\Bordbns.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Bordbns.exeC:\Users\Admin\AppData\Local\Temp\Bordbns.exe /stext "C:\Users\Admin\AppData\Local\Temp\drsrqrhgiblxrvym"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\Bordbns.exeC:\Users\Admin\AppData\Local\Temp\Bordbns.exe /stext "C:\Users\Admin\AppData\Local\Temp\nlfkrjsiwjdccbuqpxo"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\Bordbns.exeC:\Users\Admin\AppData\Local\Temp\Bordbns.exe /stext "C:\Users\Admin\AppData\Local\Temp\ynluscdckrvpepiugiayyg"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
drsrqrhgiblxrvym
System.dll
memory/1912-87-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-78-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-31-0x0000000076F41000-0x0000000077061000-memory.dmp
memory/1912-27-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-33-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-102-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-75-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-99-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-96-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-93-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-90-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-65-0x0000000037CF0000-0x0000000037D09000-memory.dmp
memory/1912-84-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-26-0x0000000076FE5000-0x0000000076FE6000-memory.dmp
memory/1912-62-0x0000000037CF0000-0x0000000037D09000-memory.dmp
memory/1912-72-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-69-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-25-0x0000000076FC8000-0x0000000076FC9000-memory.dmp
memory/1912-81-0x0000000000800000-0x0000000001A54000-memory.dmp
memory/1912-66-0x0000000037CF0000-0x0000000037D09000-memory.dmp
memory/2088-24-0x0000000010004000-0x0000000010005000-memory.dmp
memory/2088-23-0x0000000076F41000-0x0000000077061000-memory.dmp
memory/4524-44-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4524-59-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4524-40-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4524-42-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4524-43-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4524-34-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4528-41-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4528-49-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4528-56-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4528-55-0x0000000000400000-0x0000000000462000-memory.dmp
memory/4528-35-0x0000000000400000-0x0000000000462000-memory.dmp
memory/5016-38-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-46-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-54-0x0000000000400000-0x0000000000424000-memory.dmp
memory/5016-47-0x0000000000400000-0x0000000000424000-memory.dmp