General
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Target
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a
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Size
1.7MB
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Sample
240521-gfvazafa4t
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MD5
ca226a939109f9882cf09849f733ded2
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SHA1
45a5f092aae22e6baf2463d0b567a0a5f579affc
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SHA256
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a
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SHA512
57cd0c3bea06ac834acb6c52c664eb67e3cd658152bb46a9d3429bab2de663855649f3731e613fc34a4f9b38bc4065a4793aa646e3aa1feb337a407f9f84688b
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SSDEEP
49152:Pt4pYdHetf7U+bAjYsEnLinrtUOnOTcFvMkX:V4p+eq+U8sEnLsdnOPkX
Behavioral task
behavioral1
Sample
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a.exe
Resource
win11-20240508-en
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Extracted
amadey
4.20
c767c0
http://5.42.96.7
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install_dir
7af68cdb52
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install_file
axplons.exe
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strings_key
e2ce58e78f631ed97d01fe7b70e85d5e
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url_paths
/zamo7h/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
redline
@LOGSCLOUDYT_BOT
185.172.128.33:8970
Extracted
redline
1
185.215.113.67:26260
Extracted
stealc
zzvv
http://23.88.106.134
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url_path
/c73eed764cc59dcb.php
Targets
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Target
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a
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Size
1.7MB
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MD5
ca226a939109f9882cf09849f733ded2
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SHA1
45a5f092aae22e6baf2463d0b567a0a5f579affc
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SHA256
b8c035878ed34625ed731e140b30250ec59859027aee7883126d202ff9caea7a
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SHA512
57cd0c3bea06ac834acb6c52c664eb67e3cd658152bb46a9d3429bab2de663855649f3731e613fc34a4f9b38bc4065a4793aa646e3aa1feb337a407f9f84688b
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SSDEEP
49152:Pt4pYdHetf7U+bAjYsEnLinrtUOnOTcFvMkX:V4p+eq+U8sEnLsdnOPkX
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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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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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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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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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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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
2Service Execution
2Scheduled Task/Job
1Persistence
Create or Modify System Process
3Windows Service
3Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
3Windows Service
3Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
7Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
4Disable or Modify Tools
3Virtualization/Sandbox Evasion
2Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1