General
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Target
81a4f7431b9301dab895845028bbfe10_NEAS
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Size
1.7MB
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Sample
240507-g8kl8sch9z
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MD5
81a4f7431b9301dab895845028bbfe10
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SHA1
a0aeaee53db9e246e19491c459987bf90e3fde0d
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SHA256
d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc
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SHA512
bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133
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SSDEEP
49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf
Malware Config
Extracted
amadey
4.20
http://193.233.132.139
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install_dir
5454e6f062
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install_file
explorta.exe
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strings_key
c7a869c5ba1d72480093ec207994e2bf
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url_paths
/sev56rkm/index.php
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
redline
Test1234
185.215.113.67:26260
Extracted
stealc
http://52.143.157.84
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url_path
/c73eed764cc59dcb.php
Targets
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Target
81a4f7431b9301dab895845028bbfe10_NEAS
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Size
1.7MB
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MD5
81a4f7431b9301dab895845028bbfe10
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SHA1
a0aeaee53db9e246e19491c459987bf90e3fde0d
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SHA256
d7d528eb8adbe8e6140b922830d6def2ff83b2648c77c78ae6061e12ae713bbc
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SHA512
bbac42e2962d0543ed765747d7e93c0ff66865339ba4b1b80392268c98c264aa5967371789d0ba01464c719b10c5ec1a0450c3633e46b8286bdeba8dab9e9133
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SSDEEP
49152:Cn8xbtBFy7Nsp3P8tYtVj6THTtdRhSJVaRNf:CCcN03PPVj6lfhQaPf
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Detect ZGRat V1
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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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Drops startup file
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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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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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
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
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2