Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/08/2022, 07:34
General
- Target SecuriteInfo.com.W32.AIDetectNet.01.13189.18283.exe
- Size 12KB
- Sample220830-jd4sqsdgbl
- SHA256 400a915352619f2c5bd0639806ac1549bd67a0bab7730856121002a91d85c2d3
Malware Config
Extracted
-
remcos
-
RemoteHost
-
obologs.work.gd:4044
-
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-F9UER6
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.13189.18283.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.13189.18283.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe2⤵
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/424-147-0x0000000000400000-0x000000000047F000-memory.dmp
memory/424-146-0x0000000000400000-0x000000000047F000-memory.dmp
memory/424-145-0x0000000000400000-0x000000000047F000-memory.dmp
memory/424-144-0x0000000000400000-0x000000000047F000-memory.dmp
memory/424-143-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1984-136-0x0000000005680000-0x0000000005CA8000-memory.dmp
memory/1984-139-0x0000000006550000-0x000000000656E000-memory.dmp
memory/1984-140-0x0000000007D80000-0x00000000083FA000-memory.dmp
memory/1984-141-0x0000000006A50000-0x0000000006A6A000-memory.dmp
memory/1984-138-0x0000000005EF0000-0x0000000005F56000-memory.dmp
memory/1984-137-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/1984-135-0x0000000004FA0000-0x0000000004FD6000-memory.dmp
memory/2220-132-0x0000000000160000-0x0000000000168000-memory.dmp
memory/2220-133-0x0000000005B50000-0x0000000005B72000-memory.dmp