Analysis
- max time kernel
148s - max time network
142s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
28/05/2024, 06:07
General
- Target ENQ LIST.exe
- Size 394KB
- Sample240528-gva6msaa56
- SHA256 b7d97410c347d47f45e49a7b19736ff47b019c2abd47eb09aba5cd9143b826de
Malware Config
Extracted
-
remcos
-
CLIENT
-
107.150.18.202:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
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-J3QQTH
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Remcos
Remcos is a closed-source remote control and surveillance software.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 3 IoCs
Password recovery tool for various web browsers
- Nirsoft 8 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 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 6 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe" /stext "C:\Users\Admin\AppData\Local\Temp\iutb"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe" /stext "C:\Users\Admin\AppData\Local\Temp\sozlkdy"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe"C:\Users\Admin\AppData\Local\Temp\ENQ LIST.exe" /stext "C:\Users\Admin\AppData\Local\Temp\cqeekvrrzcs"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
rasterside.ini
iutb
System.dll
memory/452-75-0x0000000000400000-0x0000000000462000-memory.dmp
memory/452-89-0x0000000000400000-0x0000000000462000-memory.dmp
memory/452-77-0x0000000000400000-0x0000000000462000-memory.dmp
memory/452-71-0x0000000000400000-0x0000000000462000-memory.dmp
memory/452-60-0x0000000000400000-0x0000000000462000-memory.dmp
memory/452-66-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2268-62-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2268-67-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2268-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2268-63-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3772-54-0x0000000077B51000-0x0000000077C71000-memory.dmp
memory/3772-43-0x00000000016B0000-0x00000000021BB000-memory.dmp
memory/3772-53-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-99-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-98-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-72-0x00000000016B0000-0x00000000021BB000-memory.dmp
memory/3772-48-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-46-0x0000000077B51000-0x0000000077C71000-memory.dmp
memory/3772-97-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-45-0x0000000077BD8000-0x0000000077BD9000-memory.dmp
memory/3772-96-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-90-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-95-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-94-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-93-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-92-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-82-0x0000000032E20000-0x0000000032E39000-memory.dmp
memory/3772-85-0x0000000032E20000-0x0000000032E39000-memory.dmp
memory/3772-86-0x0000000032E20000-0x0000000032E39000-memory.dmp
memory/3772-87-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-88-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/3772-91-0x0000000000450000-0x00000000016A4000-memory.dmp
memory/4388-65-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4388-79-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4388-56-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4388-59-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4388-74-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5032-40-0x0000000004210000-0x0000000004D1B000-memory.dmp
memory/5032-41-0x0000000077B51000-0x0000000077C71000-memory.dmp
memory/5032-42-0x00000000749B4000-0x00000000749B5000-memory.dmp
memory/5032-44-0x0000000004210000-0x0000000004D1B000-memory.dmp
memory/5032-52-0x0000000004210000-0x0000000004D1B000-memory.dmp