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-dld96afc83
- 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) 19 IoCs
- Detects executables built or packed with MPress PE compressor 17 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 32 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⤵
- 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\tmp343A.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⤵
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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\piuqguhpcddamzsbbakteiceyzrkviloty"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\zchjhms"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\bfmtifdket"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_bpjmick1.rf2.ps1
piuqguhpcddamzsbbakteiceyzrkviloty
tmp343A.tmp
memory/1412-8-0x0000000005710000-0x000000000571A000-memory.dmp
memory/1412-10-0x0000000008090000-0x0000000008156000-memory.dmp
memory/1412-5-0x00000000050C0000-0x00000000050CA000-memory.dmp
memory/1412-6-0x0000000007C30000-0x0000000007CCC000-memory.dmp
memory/1412-7-0x00000000056F0000-0x0000000005704000-memory.dmp
memory/1412-0-0x00000000005D0000-0x00000000006CE000-memory.dmp
memory/1412-9-0x0000000007C20000-0x0000000007C2E000-memory.dmp
memory/1412-4-0x00000000050B0000-0x00000000050C0000-memory.dmp
memory/1412-11-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1412-12-0x00000000050B0000-0x00000000050C0000-memory.dmp
memory/1412-3-0x0000000005170000-0x0000000005202000-memory.dmp
memory/1412-2-0x0000000005720000-0x0000000005CC4000-memory.dmp
memory/1412-41-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1412-1-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/3868-40-0x0000000005D60000-0x00000000060B4000-memory.dmp
memory/3868-101-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/3868-22-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/3868-24-0x0000000005170000-0x0000000005192000-memory.dmp
memory/3868-89-0x0000000007320000-0x00000000073C3000-memory.dmp
memory/3868-31-0x00000000059D0000-0x0000000005A36000-memory.dmp
memory/3868-21-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/3868-114-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/3868-32-0x0000000005AF0000-0x0000000005B56000-memory.dmp
memory/3868-111-0x0000000007780000-0x0000000007788000-memory.dmp
memory/3868-92-0x0000000007A80000-0x00000000080FA000-memory.dmp
memory/3868-19-0x00000000052F0000-0x0000000005918000-memory.dmp
memory/3868-110-0x00000000077A0000-0x00000000077BA000-memory.dmp
memory/3868-109-0x00000000076A0000-0x00000000076B4000-memory.dmp
memory/3868-108-0x0000000007690000-0x000000000769E000-memory.dmp
memory/3868-45-0x0000000006120000-0x000000000613E000-memory.dmp
memory/3868-46-0x00000000061B0000-0x00000000061FC000-memory.dmp
memory/3868-107-0x0000000004CB0000-0x0000000004CC0000-memory.dmp
memory/3868-106-0x0000000007660000-0x0000000007671000-memory.dmp
memory/3868-105-0x00000000076E0000-0x0000000007776000-memory.dmp
memory/3868-102-0x00000000074B0000-0x00000000074BA000-memory.dmp
memory/3868-18-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/3868-17-0x0000000004B70000-0x0000000004BA6000-memory.dmp
memory/3868-93-0x0000000007440000-0x000000000745A000-memory.dmp
memory/3868-88-0x00000000066E0000-0x00000000066FE000-memory.dmp
memory/3868-78-0x0000000071410000-0x000000007145C000-memory.dmp
memory/3868-77-0x00000000070E0000-0x0000000007112000-memory.dmp
memory/3868-76-0x000000007FCB0000-0x000000007FCC0000-memory.dmp
memory/4408-69-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4408-116-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4408-62-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4408-75-0x0000000000400000-0x0000000000424000-memory.dmp
memory/4624-59-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4624-74-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4624-63-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4624-68-0x0000000000400000-0x0000000000457000-memory.dmp
memory/4856-60-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4856-64-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4856-65-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4856-57-0x0000000000400000-0x0000000000478000-memory.dmp
memory/4856-91-0x0000000000400000-0x0000000000478000-memory.dmp
memory/5068-23-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-56-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-95-0x0000000010000000-0x0000000010019000-memory.dmp
memory/5068-53-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-99-0x0000000010000000-0x0000000010019000-memory.dmp
memory/5068-100-0x0000000010000000-0x0000000010019000-memory.dmp
memory/5068-52-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-104-0x0000000010000000-0x0000000010019000-memory.dmp
memory/5068-103-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-51-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-50-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-48-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-47-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-44-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-43-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-42-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-39-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-27-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-115-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-33-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-117-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-118-0x0000000000400000-0x0000000000482000-memory.dmp
memory/5068-119-0x0000000000400000-0x0000000000482000-memory.dmp