Analysis
- max time kernel
149s - max time network
137s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
13/02/2024, 03:05
General
- Target 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
- Size 990KB
- Sample240213-dk835sfc66
- SHA256 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847
Malware Config
Extracted
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remcos
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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
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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
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mouse_option
false
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mutex
Rmc-EQJXDT
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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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) 26 IoCs
- Detects executables built or packed with MPress PE compressor 4 IoCs
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 2 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 25 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 34 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\tmpF5C.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⤵
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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\aekuwfhtuievsnxawznq"3⤵
- Suspicious behavior: EnumeratesProcesses
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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\cypfwxsnqqwadblegkartbsl"3⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpF5C.tmp
memory/1576-57-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1576-59-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1576-63-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1576-65-0x0000000000400000-0x0000000000478000-memory.dmp
memory/1576-70-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2052-4-0x00000000006C0000-0x00000000006CA000-memory.dmp
memory/2052-7-0x0000000074E80000-0x000000007556E000-memory.dmp
memory/2052-8-0x00000000005D0000-0x0000000000610000-memory.dmp
memory/2052-6-0x0000000005A90000-0x0000000005B56000-memory.dmp
memory/2052-5-0x0000000000710000-0x000000000071E000-memory.dmp
memory/2052-39-0x0000000074E80000-0x000000007556E000-memory.dmp
memory/2052-3-0x00000000005C0000-0x00000000005D4000-memory.dmp
memory/2052-2-0x00000000005D0000-0x0000000000610000-memory.dmp
memory/2052-1-0x0000000074E80000-0x000000007556E000-memory.dmp
memory/2052-0-0x0000000001260000-0x000000000135E000-memory.dmp
memory/2880-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2880-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-36-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-77-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-76-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-75-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-74-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-46-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-73-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-26-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-20-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-18-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-16-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-71-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2880-72-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3044-52-0x000000006EFB0000-0x000000006F55B000-memory.dmp
memory/3044-41-0x00000000023D0000-0x0000000002410000-memory.dmp
memory/3044-40-0x00000000023D0000-0x0000000002410000-memory.dmp
memory/3044-38-0x000000006EFB0000-0x000000006F55B000-memory.dmp
memory/3044-37-0x000000006EFB0000-0x000000006F55B000-memory.dmp