Analysis
- max time kernel
153s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
14/01/2023, 00:58
General
- Target Xof mefipeve peb nelixaki yilepo.exe
- Size 761.8MB
- Sample230114-bbkm3sbf7s
- SHA256 668e081d5631d8d67d75b0beff5810c77b57be6d20a224dd67e33bfc0fd4ecac
Malware Config
Extracted
-
remcos
-
thorami
-
thorami.duckdns.org:2404
-
80.76.51.46:2404
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
hrtranp.exe
-
delete_file
false
-
hide_file
true
-
hide_keylog_file
true
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
hjpbvkl.dat
-
keylog_flag
false
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
hdgnoftngtha-KQESCC
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
djureko
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Xof mefipeve peb nelixaki yilepo.exe"C:\Users\Admin\AppData\Local\Temp\Xof mefipeve peb nelixaki yilepo.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /create /tn COMSurrogate /f /sc onlogon /rl highest /tr "C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"C:\Users\Admin\Gihikag kot\Xof mefipeve peb nelixaki yilepo.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\Xof mefipeve peb nelixaki yilepo.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\chcp.comchcp 650013⤵
-
-
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
Xof mefipeve peb nelixaki yilepo.exe
Xof mefipeve peb nelixaki yilepo.exe
memory/2972-133-0x0000000003130000-0x0000000003298000-memory.dmp
memory/2972-132-0x0000000003130000-0x0000000003298000-memory.dmp
memory/2972-139-0x0000000003130000-0x0000000003298000-memory.dmp
memory/2980-146-0x000000000C5B0000-0x000000000CAE4000-memory.dmp
memory/2980-141-0x0000000000C80000-0x0000000000DE8000-memory.dmp
memory/2980-142-0x000000000C5B0000-0x000000000CAE4000-memory.dmp
memory/2980-143-0x000000000C5B0000-0x000000000CAE4000-memory.dmp
memory/2980-147-0x00000000007F0000-0x000000000086F000-memory.dmp
memory/2980-145-0x0000000000C80000-0x0000000000DE8000-memory.dmp