Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
21-09-2024 11:45
General
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Target
Shared Folders 2023-Documents/-1-Shared 2023-Documents pdf.exe
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Size
6.1MB
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MD5
4864a55cff27f686023456a22371e790
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SHA1
6ed30c0371fe167d38411bfa6d720fcdcacc4f4c
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SHA256
08c7fb6067acc8ac207d28ab616c9ea5bc0d394956455d6a3eecb73f8010f7a2
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SHA512
4bd3a16435cca6ce7a7aa829eb967619a8b7c02598474e634442cffc55935870d54d844a04496bf9c7e8c29c40fae59ac6eb39c8550c091d06a28211491d0bfb
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SSDEEP
98304:VZQIM+/nv/CDoAkYwpAa5ge1zZ/jtdZwUkQ:bJCKlA2VKUz
Malware Config
Extracted
remcos
RemoteHost
193.142.146.203:2405
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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-ZM1M40
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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
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Remcos
Remcos is a closed-source remote control and surveillance software.
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Adds Run key to start application 2 TTPs 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Shared Folders 2023-Documents\-1-Shared 2023-Documents pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shared Folders 2023-Documents\-1-Shared 2023-Documents pdf.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Shared Folders 2023-Documents\-1-Shared 2023-Documents pdf.exe"C:\Users\Admin\AppData\Local\Temp\Shared Folders 2023-Documents\-1-Shared 2023-Documents pdf.exe"2⤵
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C:\Windows\SysWOW64\cmd.execmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*UpdaterCisco" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CiscoUpdater000_PARTIAL.dll",EntryPoint /f & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*UpdaterCisco" /t REG_SZ /d "rundll32.exe C:\Users\Admin\Documents\CiscoUpdater000_PARTIAL.dll",EntryPoint /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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520KB
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Filesize
4.2MB
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4.2MB
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4.2MB
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4.2MB
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4.2MB
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4.2MB
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4.2MB
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4.2MB
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Filesize
120KB