Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-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
-
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
-
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) 24 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 3 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
- NirSoft MailPassView 3 IoCs
Password recovery tool for various email clients
- NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
- Nirsoft 7 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 31 IoCs
- Suspicious behavior: MapViewOfSection 5 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⤵
- Checks computer location settings
- 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\tmp43DA.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\vsowyuolfgjexhs"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\guboymzmtobrhvpmcg"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\iohhzfjgpwtwkcdqlrtue"3⤵
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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\iohhzfjgpwtwkcdqlrtue"3⤵
-
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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\iohhzfjgpwtwkcdqlrtue"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_nnxfgni0.14c.ps1
tmp43DA.tmp
vsowyuolfgjexhs
memory/228-64-0x0000000000400000-0x0000000000424000-memory.dmp
memory/228-69-0x0000000000400000-0x0000000000424000-memory.dmp
memory/228-72-0x0000000000400000-0x0000000000424000-memory.dmp
memory/228-76-0x0000000000400000-0x0000000000424000-memory.dmp
memory/636-85-0x0000000010000000-0x0000000010019000-memory.dmp
memory/636-30-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-86-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-84-0x0000000010000000-0x0000000010019000-memory.dmp
memory/636-83-0x0000000010000000-0x0000000010019000-memory.dmp
memory/636-80-0x0000000010000000-0x0000000010019000-memory.dmp
memory/636-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-119-0x0000000010000000-0x0000000010019000-memory.dmp
memory/636-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-28-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-29-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-31-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-45-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-123-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-41-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/636-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1564-68-0x0000000000400000-0x0000000000457000-memory.dmp
memory/1564-70-0x0000000000400000-0x0000000000457000-memory.dmp
memory/1564-62-0x0000000000400000-0x0000000000457000-memory.dmp
memory/1564-65-0x0000000000400000-0x0000000000457000-memory.dmp
memory/1564-58-0x0000000000400000-0x0000000000457000-memory.dmp
memory/1800-27-0x0000000005B00000-0x0000000006128000-memory.dmp
memory/1800-89-0x000000007EF20000-0x000000007EF30000-memory.dmp
memory/1800-115-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/1800-52-0x0000000006560000-0x00000000068B4000-memory.dmp
memory/1800-112-0x0000000007FD0000-0x0000000007FD8000-memory.dmp
memory/1800-34-0x00000000061A0000-0x0000000006206000-memory.dmp
memory/1800-33-0x0000000006130000-0x0000000006196000-memory.dmp
memory/1800-32-0x0000000005820000-0x0000000005842000-memory.dmp
memory/1800-111-0x0000000007FF0000-0x000000000800A000-memory.dmp
memory/1800-110-0x0000000007EF0000-0x0000000007F04000-memory.dmp
memory/1800-109-0x0000000007EE0000-0x0000000007EEE000-memory.dmp
memory/1800-20-0x0000000003060000-0x0000000003070000-memory.dmp
memory/1800-19-0x0000000002FE0000-0x0000000003016000-memory.dmp
memory/1800-59-0x0000000006A30000-0x0000000006A7C000-memory.dmp
memory/1800-108-0x0000000003060000-0x0000000003070000-memory.dmp
memory/1800-18-0x0000000003060000-0x0000000003070000-memory.dmp
memory/1800-17-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/1800-107-0x0000000007EB0000-0x0000000007EC1000-memory.dmp
memory/1800-106-0x0000000007F30000-0x0000000007FC6000-memory.dmp
memory/1800-105-0x0000000007D20000-0x0000000007D2A000-memory.dmp
memory/1800-104-0x0000000007CB0000-0x0000000007CCA000-memory.dmp
memory/1800-87-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/1800-88-0x0000000003060000-0x0000000003070000-memory.dmp
memory/1800-56-0x0000000006980000-0x000000000699E000-memory.dmp
memory/1800-90-0x0000000006ED0000-0x0000000006F02000-memory.dmp
memory/1800-91-0x0000000071200000-0x000000007124C000-memory.dmp
memory/1800-101-0x0000000006EB0000-0x0000000006ECE000-memory.dmp
memory/1800-102-0x0000000007B60000-0x0000000007C03000-memory.dmp
memory/1800-103-0x00000000082F0000-0x000000000896A000-memory.dmp
memory/3584-26-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3584-6-0x0000000007770000-0x000000000780C000-memory.dmp
memory/3584-11-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3584-12-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/3584-9-0x0000000007AA0000-0x0000000007AAE000-memory.dmp
memory/3584-1-0x0000000000140000-0x000000000023E000-memory.dmp
memory/3584-2-0x0000000005150000-0x00000000056F4000-memory.dmp
memory/3584-4-0x0000000004F00000-0x0000000004F10000-memory.dmp
memory/3584-10-0x0000000007C00000-0x0000000007CC6000-memory.dmp
memory/3584-3-0x0000000004C80000-0x0000000004D12000-memory.dmp
memory/3584-8-0x0000000007A90000-0x0000000007A9A000-memory.dmp
memory/3584-7-0x0000000007760000-0x0000000007774000-memory.dmp
memory/3584-0-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3584-5-0x0000000004C30000-0x0000000004C3A000-memory.dmp
memory/3604-78-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3604-55-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3604-66-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3604-61-0x0000000000400000-0x0000000000478000-memory.dmp