Analysis
- max time kernel
149s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
13/07/2024, 12:38
General
- Target borlndmm.dll
- Size 2.8MB
- Sample240713-pvb2yatapd
- SHA256 18a26f67712f75a9251e8350089fc83d55c33f2fa82c46e5f67f1d6dc5716a4a
Malware Config
Extracted
-
remcos
-
RemoteHost
-
23.254.224.59:2404
-
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
-6LCEJ4
-
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.
- Blocklisted process makes network request 2 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\borlndmm.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\borlndmm.dll,#12⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe"3⤵
- Blocklisted process makes network request
-
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2636-10-0x0000000010274000-0x0000000010278000-memory.dmp
memory/2636-1-0x0000000010004000-0x000000001001E000-memory.dmp
memory/2636-4-0x0000000010000000-0x00000000102C6000-memory.dmp
memory/2636-6-0x0000000010000000-0x00000000102C6000-memory.dmp
memory/2636-14-0x00000000102AE000-0x00000000102C6000-memory.dmp
memory/2636-0-0x0000000010000000-0x00000000102C6000-memory.dmp
memory/2636-8-0x00000000102AB000-0x00000000102C6000-memory.dmp
memory/2636-9-0x0000000010271000-0x0000000010278000-memory.dmp
memory/2636-13-0x0000000010281000-0x00000000102AA000-memory.dmp
memory/2636-12-0x000000001027C000-0x00000000102AA000-memory.dmp
memory/2636-11-0x0000000010278000-0x000000001027C000-memory.dmp
memory/4120-7-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-22-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-17-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-16-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-5-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-2-0x0000000000390000-0x0000000000391000-memory.dmp
memory/4120-18-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-19-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-20-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-15-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-23-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-24-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-25-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-26-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-28-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-29-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-30-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-32-0x0000000000600000-0x0000000000682000-memory.dmp
memory/4120-33-0x0000000000600000-0x0000000000682000-memory.dmp