Analysis
- max time kernel
157s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
08/03/2023, 10:31
General
- Target 003930033_pdf.exe
- Size 2.2MB
- Sample230308-mkcvdafa7w
- SHA256 433ec4a66199db2b368a536e9d9656506836fa404560758a59808b0f85311172
Malware Config
Extracted
-
remcos
-
RemoteHost
-
127.0.0.1:59301
-
10.15.0.19:59301
-
185.65.134.165:59301
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171.22.30.101:59301
-
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-30GS25
-
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.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\003930033_pdf.exe"C:\Users\Admin\AppData\Local\Temp\003930033_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2292-150-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-141-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-136-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-137-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-139-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-140-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-149-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-142-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-144-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-145-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-134-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-147-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-157-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-151-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-153-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-155-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-167-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-158-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-159-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-161-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-163-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-165-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2292-166-0x0000000000400000-0x0000000000480000-memory.dmp
memory/3628-133-0x00000000006F0000-0x0000000000928000-memory.dmp