Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
17/05/2024, 01:14
General
- Target 2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe
- Size 1.1MB
- Sample240517-bltzhaae31
- SHA256 2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45
Malware Config
Extracted
-
remcos
-
RemoteHost
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myumysmeetr.ddns.net:2404
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mysweeterbk.ddns.net:2404
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meetre1ms.freeddns.org:2404
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bbhmeetre1ms.freeddns.org:2404
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audio_folder
MicRecords
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audio_record_time
5
-
connect_delay
0
-
connect_interval
1
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copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
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hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-TPT9X3
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 14 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe"C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe"1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\extrac32.exeC:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\2c49f89d2a461bb32f9c50f8b37fb53b0f86294d4f03fb3e08588e979329fb45.exe C:\\Users\\Public\\Libraries\\Duchpovs.PIF2⤵
-
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C:\Windows\SysWOW64\colorcpl.exeC:\Windows\System32\colorcpl.exe2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
logs.dat
memory/1252-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-7-0x00000000050E0000-0x00000000060E0000-memory.dmp
memory/1252-14-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-12-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-15-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-11-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-8-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1252-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4820-1-0x0000000000400000-0x000000000051D000-memory.dmp
memory/4820-0-0x0000000002160000-0x0000000002161000-memory.dmp