Analysis
- max time kernel
149s - max time network
127s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
13/02/2024, 03:05
General
- Target 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
- Size 990KB
- Sample240213-dlaa7sfc72
- SHA256 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847
Malware Config
Extracted
-
remcos
-
DESK
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198.27.121.194:2024
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
-
hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
-
mouse_option
false
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mutex
Rmc-EQJXDT
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screenshot_crypt
false
-
screenshot_flag
false
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screenshot_folder
Screenshots
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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.
- Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 28 IoCs
- Detects executables built or packed with MPress PE compressor 18 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 6 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 36 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LCIBkTUxHQE.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LCIBkTUxHQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB4.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\xbniicgluzuljb"3⤵
- Suspicious behavior: EnumeratesProcesses
-
-
C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\hdssbvqfihmqlpyhxy"3⤵
- Accesses Microsoft Outlook accounts
-
-
C:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exeC:\Users\Admin\AppData\Local\Temp\2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe /stext "C:\Users\Admin\AppData\Local\Temp\kxflcnbgepecwvulojcqh"3⤵
- Suspicious use of AdjustPrivilegeToken
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpBB4.tmp
xbniicgluzuljb
memory/308-71-0x0000000000400000-0x0000000000424000-memory.dmp
memory/308-78-0x0000000000400000-0x0000000000424000-memory.dmp
memory/308-77-0x0000000000400000-0x0000000000424000-memory.dmp
memory/308-75-0x0000000000400000-0x0000000000424000-memory.dmp
memory/556-85-0x0000000000400000-0x0000000000457000-memory.dmp
memory/556-74-0x0000000000400000-0x0000000000457000-memory.dmp
memory/556-66-0x0000000000400000-0x0000000000457000-memory.dmp
memory/556-70-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2540-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-96-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-101-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2540-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-100-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-99-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-98-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-97-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2540-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-86-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2540-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-95-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-94-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-93-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2540-92-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2540-91-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2540-90-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2572-55-0x000000006E6A0000-0x000000006EC4B000-memory.dmp
memory/2572-38-0x000000006E6A0000-0x000000006EC4B000-memory.dmp
memory/2572-41-0x000000006E6A0000-0x000000006EC4B000-memory.dmp
memory/2572-44-0x00000000027E0000-0x0000000002820000-memory.dmp
memory/2572-45-0x00000000027E0000-0x0000000002820000-memory.dmp
memory/2876-64-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2876-83-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2876-59-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2876-63-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2876-65-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2988-2-0x0000000005070000-0x00000000050B0000-memory.dmp
memory/2988-8-0x0000000005070000-0x00000000050B0000-memory.dmp
memory/2988-7-0x0000000074130000-0x000000007481E000-memory.dmp
memory/2988-6-0x0000000005BE0000-0x0000000005CA6000-memory.dmp
memory/2988-1-0x0000000074130000-0x000000007481E000-memory.dmp
memory/2988-5-0x0000000000AD0000-0x0000000000ADE000-memory.dmp
memory/2988-3-0x0000000000830000-0x0000000000844000-memory.dmp
memory/2988-4-0x0000000000A50000-0x0000000000A5A000-memory.dmp
memory/2988-37-0x0000000074130000-0x000000007481E000-memory.dmp
memory/2988-0-0x0000000000AF0000-0x0000000000BEE000-memory.dmp