Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 02:45
General
- Target 2054ee677f5e0713c73a500d3a2a8b6769a6671ff18f7f62b24f68ca6d00f847.exe
- Size 990KB
- Sample240213-c88a3sdf42
- 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) 22 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
- 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 30 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 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\tmp3302.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\crlamlgsofkpocmywybiyktlzmgdknki"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\crlamlgsofkpocmywybiyktlzmgdknki"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\ntrtn"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\xnwmnwbo"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_mbbdvbk2.k2r.ps1
crlamlgsofkpocmywybiyktlzmgdknki
tmp3302.tmp
memory/812-46-0x0000000005CB0000-0x0000000005CFC000-memory.dmp
memory/812-107-0x00000000071F0000-0x0000000007201000-memory.dmp
memory/812-70-0x0000000006220000-0x000000000623E000-memory.dmp
memory/812-60-0x0000000072EB0000-0x0000000072EFC000-memory.dmp
memory/812-59-0x0000000006240000-0x0000000006272000-memory.dmp
memory/812-58-0x000000007F2A0000-0x000000007F2B0000-memory.dmp
memory/812-56-0x0000000002300000-0x0000000002310000-memory.dmp
memory/812-84-0x0000000007640000-0x0000000007CBA000-memory.dmp
memory/812-91-0x0000000006FF0000-0x000000000700A000-memory.dmp
memory/812-94-0x0000000007070000-0x000000000707A000-memory.dmp
memory/812-17-0x0000000002390000-0x00000000023C6000-memory.dmp
memory/812-18-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/812-19-0x0000000002300000-0x0000000002310000-memory.dmp
memory/812-103-0x0000000007270000-0x0000000007306000-memory.dmp
memory/812-21-0x0000000002300000-0x0000000002310000-memory.dmp
memory/812-20-0x0000000004EF0000-0x0000000005518000-memory.dmp
memory/812-115-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/812-111-0x0000000007340000-0x000000000735A000-memory.dmp
memory/812-25-0x0000000004EB0000-0x0000000004ED2000-memory.dmp
memory/812-112-0x0000000007330000-0x0000000007338000-memory.dmp
memory/812-105-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/812-28-0x0000000005590000-0x00000000055F6000-memory.dmp
memory/812-71-0x0000000006E70000-0x0000000006F13000-memory.dmp
memory/812-45-0x0000000005C70000-0x0000000005C8E000-memory.dmp
memory/812-40-0x0000000005600000-0x0000000005666000-memory.dmp
memory/812-41-0x0000000005810000-0x0000000005B64000-memory.dmp
memory/812-109-0x0000000002300000-0x0000000002310000-memory.dmp
memory/812-110-0x0000000007250000-0x0000000007264000-memory.dmp
memory/812-108-0x0000000007240000-0x000000000724E000-memory.dmp
memory/2224-9-0x0000000008850000-0x000000000885E000-memory.dmp
memory/2224-6-0x00000000084F0000-0x000000000858C000-memory.dmp
memory/2224-35-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/2224-4-0x0000000005980000-0x0000000005990000-memory.dmp
memory/2224-3-0x0000000005A00000-0x0000000005A92000-memory.dmp
memory/2224-2-0x0000000005FB0000-0x0000000006554000-memory.dmp
memory/2224-10-0x00000000089B0000-0x0000000008A76000-memory.dmp
memory/2224-11-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/2224-0-0x0000000000EF0000-0x0000000000FEE000-memory.dmp
memory/2224-12-0x0000000005980000-0x0000000005990000-memory.dmp
memory/2224-8-0x0000000008840000-0x000000000884A000-memory.dmp
memory/2224-7-0x0000000008820000-0x0000000008834000-memory.dmp
memory/2224-1-0x0000000074410000-0x0000000074BC0000-memory.dmp
memory/2224-5-0x00000000059E0000-0x00000000059EA000-memory.dmp
memory/2888-24-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-122-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-121-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-120-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-119-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-116-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-34-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-98-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2888-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-101-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2888-102-0x0000000010000000-0x0000000010019000-memory.dmp
memory/2888-49-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-104-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2888-106-0x0000000010000000-0x0000000010019000-memory.dmp
memory/3348-72-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3348-96-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3348-75-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3348-78-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3348-77-0x0000000000400000-0x0000000000478000-memory.dmp
memory/3648-83-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3648-82-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3648-79-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3648-92-0x0000000000400000-0x0000000000457000-memory.dmp
memory/3648-74-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4912-85-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4912-80-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4912-90-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4912-93-0x0000000000400000-0x0000000000424000-memory.dmp