General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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Sample
240705-v14xssvcqf
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win10v2004-20240704-en
Malware Config
Extracted
remcos
1.7 Pro
Host
nickman12-46565.portmap.io:46565
nickman12-46565.portmap.io:1735
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audio_folder
audio
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
5
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copy_file
Userdata.exe
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copy_folder
Userdata
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delete_file
true
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hide_file
true
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hide_keylog_file
true
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install_flag
true
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install_path
%WinDir%\System32
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keylog_crypt
true
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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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keylog_path
%WinDir%\System32
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mouse_option
false
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mutex
remcos_vcexssuhap
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screens
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screenshot_path
%AppData%
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screenshot_time
1
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startup_value
remcos
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take_screenshot_option
false
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take_screenshot_time
5
Extracted
revengerat
Guest
0.tcp.ngrok.io:19521
RV_MUTEX
Extracted
crimsonrat
185.136.161.124
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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CrimsonRAT main payload
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RevengeRat Executable
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Drops startup file
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Executes dropped EXE
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Uses the VBS compiler for execution
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1