Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 03:05
General
- Target 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
- Size 990KB
- Sample240213-dlaa7sfc72
- 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) 21 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 3 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 32 IoCs
- Suspicious behavior: MapViewOfSection 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 39 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\tmp2A66.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\zoaxtie"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\krfhuaplzg"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\krfhuaplzg"3⤵
- Accesses Microsoft Outlook accounts
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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\ulkavtznnojoju"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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-
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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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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_bfn2akc1.pge.ps1
tmp2A66.tmp
zoaxtie
memory/180-8-0x0000000007CC0000-0x0000000007CCA000-memory.dmp
memory/180-10-0x0000000007E30000-0x0000000007EF6000-memory.dmp
memory/180-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp
memory/180-6-0x0000000007970000-0x0000000007A0C000-memory.dmp
memory/180-7-0x0000000007CA0000-0x0000000007CB4000-memory.dmp
memory/180-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp
memory/180-9-0x0000000007CD0000-0x0000000007CDE000-memory.dmp
memory/180-4-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/180-11-0x0000000075060000-0x0000000075810000-memory.dmp
memory/180-12-0x0000000004FB0000-0x0000000004FC0000-memory.dmp
memory/180-1-0x0000000075060000-0x0000000075810000-memory.dmp
memory/180-2-0x0000000005330000-0x00000000058D4000-memory.dmp
memory/180-0-0x0000000000370000-0x000000000046E000-memory.dmp
memory/180-39-0x0000000075060000-0x0000000075810000-memory.dmp
memory/764-97-0x0000000008090000-0x000000000870A000-memory.dmp
memory/764-104-0x0000000007AC0000-0x0000000007ACA000-memory.dmp
memory/764-114-0x0000000075060000-0x0000000075810000-memory.dmp
memory/764-111-0x0000000007D90000-0x0000000007D98000-memory.dmp
memory/764-26-0x0000000006080000-0x00000000060E6000-memory.dmp
memory/764-24-0x0000000005770000-0x0000000005792000-memory.dmp
memory/764-28-0x00000000060F0000-0x0000000006156000-memory.dmp
memory/764-19-0x0000000005310000-0x0000000005320000-memory.dmp
memory/764-110-0x0000000007DB0000-0x0000000007DCA000-memory.dmp
memory/764-109-0x0000000007CB0000-0x0000000007CC4000-memory.dmp
memory/764-20-0x0000000005310000-0x0000000005320000-memory.dmp
memory/764-41-0x0000000006340000-0x0000000006694000-memory.dmp
memory/764-108-0x0000000007CA0000-0x0000000007CAE000-memory.dmp
memory/764-107-0x0000000075060000-0x0000000075810000-memory.dmp
memory/764-106-0x0000000007C70000-0x0000000007C81000-memory.dmp
memory/764-45-0x0000000006740000-0x000000000675E000-memory.dmp
memory/764-46-0x0000000006810000-0x000000000685C000-memory.dmp
memory/764-22-0x0000000005950000-0x0000000005F78000-memory.dmp
memory/764-105-0x0000000007CF0000-0x0000000007D86000-memory.dmp
memory/764-77-0x00000000076F0000-0x0000000007722000-memory.dmp
memory/764-99-0x0000000007A50000-0x0000000007A6A000-memory.dmp
memory/764-17-0x0000000005180000-0x00000000051B6000-memory.dmp
memory/764-18-0x0000000075060000-0x0000000075810000-memory.dmp
memory/764-79-0x0000000073B00000-0x0000000073B4C000-memory.dmp
memory/764-57-0x0000000005310000-0x0000000005320000-memory.dmp
memory/764-89-0x00000000076B0000-0x00000000076CE000-memory.dmp
memory/764-75-0x000000007F470000-0x000000007F480000-memory.dmp
memory/764-90-0x0000000007930000-0x00000000079D3000-memory.dmp
memory/2488-66-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2488-60-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2488-67-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2488-69-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2488-78-0x0000000000400000-0x0000000000457000-memory.dmp
memory/2752-63-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2752-61-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2752-58-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2752-92-0x0000000000400000-0x0000000000478000-memory.dmp
memory/2752-64-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3444-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-55-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-94-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3444-54-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-100-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3444-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-101-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3444-102-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-103-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3444-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-40-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-25-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3444-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3456-76-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3456-65-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3456-74-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3456-70-0x0000000000400000-0x0000000000424000-memory.dmp