General
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Target
RNSM00447.7z
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Size
72.5MB
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Sample
241015-zp85lawgka
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MD5
4fff81f774d59bf0a0e36d77c9516834
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SHA1
8438aba49af87ce16619789a0c9b18f0a859d671
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SHA256
3d193abb365ce0733cce9bb5428ce125c6db7e4383709129f92aaac198d92128
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SHA512
c0ce8f6c491fb3730d3d88add75052bfa6e2c9bf9e6f795995a468783396cd8a76271ebd76ad8f8a0d7dcf90a629f106f86c695ade3ab5ffbee1ff6cbce5a139
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SSDEEP
1572864:VsDSyVw8wW7W6luBF46VdHBgT6p0WZvESz+eU3G5Uj+S9bjcGVuMNQ4:uBw8w+4BFVXHBg6phzz+eUunG434
Static task
static1
Behavioral task
behavioral1
Sample
RNSM00447.7z
Resource
win10v2004-20241007-en
Malware Config
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Extracted
C:\Users\Admin\Desktop\HOW TO RECOVER ENCRYPTED FILES.TXT
Extracted
njrat
0.7d
HacKed
corona82.ddns.net:2300
5d6783849b66a004f71db5ea93e302ae
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reg_key
5d6783849b66a004f71db5ea93e302ae
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splitter
|'|'|
Extracted
njrat
0.7b
CJRafFcfqdGb
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reg_key
CJRafFcfqdGb
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splitter
&%&%&
Extracted
C:\PerfLogs\KRAB-DECRYPT.txt
http://gandcrabmfe6mnef.onion/2d4605bb28163a06
Targets
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Target
RNSM00447.7z
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Size
72.5MB
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MD5
4fff81f774d59bf0a0e36d77c9516834
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SHA1
8438aba49af87ce16619789a0c9b18f0a859d671
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SHA256
3d193abb365ce0733cce9bb5428ce125c6db7e4383709129f92aaac198d92128
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SHA512
c0ce8f6c491fb3730d3d88add75052bfa6e2c9bf9e6f795995a468783396cd8a76271ebd76ad8f8a0d7dcf90a629f106f86c695ade3ab5ffbee1ff6cbce5a139
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SSDEEP
1572864:VsDSyVw8wW7W6luBF46VdHBgT6p0WZvESz+eU3G5Uj+S9bjcGVuMNQ4:uBw8w+4BFVXHBg6phzz+eUunG434
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M00nd3v_Logger
M00nd3v Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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Modifies firewall policy service
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Detected Nirsoft tools
Free utilities often used by attackers which can steal passwords, product keys, etc.
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Renames multiple (232) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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XMRig Miner payload
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables Task Manager via registry modification
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Modifies WinLogon
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Accessibility Features
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Access Token Manipulation
1Create Process with Token
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Accessibility Features
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Access Token Manipulation
1Create Process with Token
1File and Directory Permissions Modification
1Impair Defenses
5Disable or Modify System Firewall
2Disable or Modify Tools
3Indicator Removal
2File Deletion
2Modify Registry
8Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1