Analysis
- max time kernel
299s - max time network
300s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
26/08/2024, 11:26
General
- Target 93f9f648e526fb97ed04a0b219aee1fe5fbc3e8d319ce2dc2cb1b35081eb78e2.exe
- Size 638KB
- Sample240826-nkceaa1cmb
- SHA256 93f9f648e526fb97ed04a0b219aee1fe5fbc3e8d319ce2dc2cb1b35081eb78e2
Malware Config
Extracted
-
remcos
-
benchao
-
tochisglobal.ddns.net:6426
-
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-9R4HLX
-
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.
- Loads dropped DLL 7 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\93f9f648e526fb97ed04a0b219aee1fe5fbc3e8d319ce2dc2cb1b35081eb78e2.exe"C:\Users\Admin\AppData\Local\Temp\93f9f648e526fb97ed04a0b219aee1fe5fbc3e8d319ce2dc2cb1b35081eb78e2.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\93f9f648e526fb97ed04a0b219aee1fe5fbc3e8d319ce2dc2cb1b35081eb78e2.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Seqwl.lnk
logs.dat
LangDLL.dll
System.dll
edelgave.ini
memory/116-911-0x0000000077751000-0x0000000077871000-memory.dmp
memory/116-912-0x0000000073E45000-0x0000000073E46000-memory.dmp
memory/2204-943-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-955-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-919-0x0000000077751000-0x0000000077871000-memory.dmp
memory/2204-920-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-922-0x0000000077751000-0x0000000077871000-memory.dmp
memory/2204-925-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-928-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-914-0x00000000777F5000-0x00000000777F6000-memory.dmp
memory/2204-931-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-934-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-940-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-913-0x00000000777D8000-0x00000000777D9000-memory.dmp
memory/2204-946-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-949-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-952-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-915-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-958-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-961-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-964-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-967-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-969-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-972-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-976-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-979-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-982-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-985-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-988-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-992-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-995-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-998-0x0000000000ED0000-0x0000000002124000-memory.dmp
memory/2204-1001-0x0000000000ED0000-0x0000000002124000-memory.dmp