Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/10/2024, 10:06
General
- Target b75532f01dc42a2e4ae8164b69189471.exe
- Size 1.1MB
- Sample241007-l43pgazapr
- SHA256 3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a
Malware Config
Extracted
-
remcos
-
RemoteHost
-
103.186.116.30:1111
-
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-PP5DA9
-
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.
- Detected Nirsoft tools 6 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 30 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe"C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe"C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exeC:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe /stext "C:\Users\Admin\AppData\Local\Temp\aighcdzhrzjuir"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exeC:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe /stext "C:\Users\Admin\AppData\Local\Temp\aighcdzhrzjuir"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exeC:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe /stext "C:\Users\Admin\AppData\Local\Temp\ckuzdvkbfhbztfnxy"3⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exeC:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe /stext "C:\Users\Admin\AppData\Local\Temp\ckuzdvkbfhbztfnxy"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exeC:\Users\Admin\AppData\Local\Temp\b75532f01dc42a2e4ae8164b69189471.exe /stext "C:\Users\Admin\AppData\Local\Temp\mezswndcsptmvljbhpoz"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
aighcdzhrzjuir
memory/1504-33-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1504-41-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1504-38-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1504-36-0x0000000000400000-0x0000000000462000-memory.dmp
memory/1504-31-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2396-4-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/2396-7-0x000000007461E000-0x000000007461F000-memory.dmp
memory/2396-8-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/2396-9-0x00000000095F0000-0x00000000096B0000-memory.dmp
memory/2396-10-0x000000000C6B0000-0x000000000C74C000-memory.dmp
memory/2396-6-0x0000000006BE0000-0x0000000006BFE000-memory.dmp
memory/2396-5-0x0000000005590000-0x000000000559A000-memory.dmp
memory/2396-0-0x000000007461E000-0x000000007461F000-memory.dmp
memory/2396-3-0x00000000055F0000-0x0000000005682000-memory.dmp
memory/2396-16-0x0000000074610000-0x0000000074DC0000-memory.dmp
memory/2396-2-0x0000000005B00000-0x00000000060A4000-memory.dmp
memory/2396-1-0x0000000000A60000-0x0000000000B76000-memory.dmp
memory/3720-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-61-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3720-48-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3720-52-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3720-51-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3720-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4848-46-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4848-32-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4848-39-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4848-40-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4848-28-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4852-34-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4852-37-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4852-35-0x0000000000400000-0x0000000000424000-memory.dmp