Analysis
- max time kernel
148s - max time network
136s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
09/08/2024, 01:11
General
- Target 391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457.exe
- Size 893KB
- Sample240809-bj1dhaxflc
- SHA256 391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457
Malware Config
Extracted
-
remcos
-
RemoteHost
-
194.169.175.190:2404
-
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-LBZ2BK
-
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.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Detected Nirsoft tools 7 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 3 IoCs
Password recovery tool for various web browsers
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- 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 2 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457.exe"C:\Users\Admin\AppData\Local\Temp\391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\391ac1ceedd3c960f32890f834a86ba1570ee5a0cc12dcef1714d43bb29fc457.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\lvtrcdaocr"3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\opyjdwtiqzikw"3⤵
- Accesses Microsoft Outlook accounts
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe /stext "C:\Users\Admin\AppData\Local\Temp\yrmceoejehaxhcqg"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
lvtrcdaocr
memory/1896-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1896-48-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1896-34-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1896-38-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1896-37-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1896-28-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2068-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-57-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-62-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-60-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-21-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-54-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2068-55-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2068-13-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-59-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-58-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-51-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2068-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2068-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2772-41-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2772-42-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2772-43-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2776-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2776-50-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2776-35-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2776-36-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2776-39-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2776-31-0x0000000000400000-0x0000000000462000-memory.dmp
memory/2988-12-0x00000000000A0000-0x00000000000A4000-memory.dmp
memory/2988-17-0x0000000000D00000-0x0000000000EEB000-memory.dmp
memory/2988-0-0x0000000000D00000-0x0000000000EEB000-memory.dmp