Resubmissions
22-02-2025 19:44
250222-yf8xssxkap 10General
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Target
search
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Size
467KB
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Sample
250222-yf8xssxkap
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MD5
943dced7be9d72fc43811b8c299c5deb
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SHA1
3f1ce827c50be7db40402b66c3a5341814cb6e9d
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SHA256
9a3ba1ea02e8c045a1e94e2f81c64565122df06f4d1f11018d1902f2adf80127
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SHA512
d8da3ba7149277cdb90d63acd29a5f25dd308c83341c15f9b912489161f59cddac91aa66efef22bdbc4cd7d1d43dca47d97c0a833b2317980cad9b9393dd1c3d
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SSDEEP
12288:AJ2vyEmW0MyPu3NEl1SmNW732GGSxcbZvBQjmBL6SCuphZ3B9c1DpH4OW9:AJ2vLoSxcbZvBQjmB5CupH33MDpH479
Static task
static1
Behavioral task
behavioral1
Sample
search.html
Resource
win10v2004-20250217-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
Targets
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Target
search
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Size
467KB
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MD5
943dced7be9d72fc43811b8c299c5deb
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SHA1
3f1ce827c50be7db40402b66c3a5341814cb6e9d
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SHA256
9a3ba1ea02e8c045a1e94e2f81c64565122df06f4d1f11018d1902f2adf80127
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SHA512
d8da3ba7149277cdb90d63acd29a5f25dd308c83341c15f9b912489161f59cddac91aa66efef22bdbc4cd7d1d43dca47d97c0a833b2317980cad9b9393dd1c3d
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SSDEEP
12288:AJ2vyEmW0MyPu3NEl1SmNW732GGSxcbZvBQjmBL6SCuphZ3B9c1DpH4OW9:AJ2vLoSxcbZvBQjmB5CupH33MDpH479
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Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
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Dharma family
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Njrat family
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Remcos family
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Revengerat family
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UAC bypass
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (661) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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RevengeRat Executable
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Deletes itself
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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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Drops desktop.ini file(s)
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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
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
3Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1