Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
22/11/2024, 13:16
General
- Target 018292540-LetterReguranPPI-20230814215304.PDF.exe
- Size 897KB
- Sample241122-qhsplaxldq
- SHA256 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
Malware Config
Extracted
-
remcos
-
Host
-
oyo.work.gd:3142
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
vlc
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
true
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
pdf
-
mouse_option
false
-
mutex
jkm-I9KENP
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
ios
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Remcos family
- Suspicious use of SetThreadContext 1 IoCs
- 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 use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\018292540-LetterReguranPPI-20230814215304.PDF.exe"C:\Users\Admin\AppData\Local\Temp\018292540-LetterReguranPPI-20230814215304.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\018292540-LetterReguranPPI-20230814215304.PDF.exe"C:\Users\Admin\AppData\Local\Temp\018292540-LetterReguranPPI-20230814215304.PDF.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/2536-28-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-11-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-51-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-24-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-43-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-42-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-35-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-34-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-58-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-59-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-50-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-12-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-14-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-18-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-19-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-26-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-21-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-22-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2536-23-0x0000000000400000-0x000000000047F000-memory.dmp
memory/5004-8-0x0000000075190000-0x0000000075940000-memory.dmp
memory/5004-20-0x0000000075190000-0x0000000075940000-memory.dmp
memory/5004-10-0x0000000009F00000-0x0000000009F9C000-memory.dmp
memory/5004-9-0x00000000061A0000-0x0000000006260000-memory.dmp
memory/5004-0-0x000000007519E000-0x000000007519F000-memory.dmp
memory/5004-7-0x000000007519E000-0x000000007519F000-memory.dmp
memory/5004-6-0x0000000005390000-0x00000000053A2000-memory.dmp
memory/5004-5-0x0000000075190000-0x0000000075940000-memory.dmp
memory/5004-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp
memory/5004-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp
memory/5004-2-0x00000000053F0000-0x0000000005994000-memory.dmp
memory/5004-1-0x00000000002C0000-0x00000000003A6000-memory.dmp