General
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Target
reanimator.zip
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Size
43.8MB
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Sample
241027-zwrtwssdmh
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MD5
165d14a5ae0d63c7e52ce7b74a934a61
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SHA1
3ab53b49f609ef8aaffad44dcf47ce0811b46188
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SHA256
a904e1b14be7d43c7ce028aa17d1404e1f964e8285360745ea25ab041ef7cfc8
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SHA512
16652f9a9c7a4bfd35edd21f6f06031be3e9ee0a9f4f87e68e648ad0b9e601978d7213dd7950cc6e0114cc768bd196c50c75eb7189fc03f76cfdff989e44ad64
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SSDEEP
786432:jcbOvONv0ydn3wwkIjGwvQ90mI4uIkLOBFUcc8tsUjlxlroXJwBHP+lloLH5u5MS:j6OvORAn2GEQ9nI4zOv+N8JQv+Hr04
Static task
static1
Behavioral task
behavioral1
Sample
ReanimatorStart.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
stealc
tale
http://185.215.113.206
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url_path
/6c4adf523b719729.php
Extracted
xworm
5.0
takes-sbjct.gl.at.ply.gg:41371
MxqHSXsrqbfmnzhV
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Install_directory
%AppData%
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install_file
WindowsLogonIN.exe
Extracted
C:\Users\Admin\Desktop\read_it.txt
chaos
Targets
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Target
ReanimatorStart.exe
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Size
43.8MB
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MD5
2d725ed14a2e1bc2de95468672e1241a
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SHA1
4f6e4d1e348e0e5d459406bdf7c6fae7e4255569
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SHA256
dd0da3745cee6d147c9c4f276760a31379b0896bca040ecf47502b30c8762467
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SHA512
341712bc64d220801914de1b564508a118b28e490fdc7634caad2a7a21187992adca06dd57de8d1247da3eba3926aa7321b763e93803e110ebc78bf1144f76d1
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SSDEEP
786432:hmT6Pe1ewcRTpMgKq94uRotrkY+kmY1O7TmIeEZsmxnTZlsPl2rn3UxL05BBor8z:hQ6PeQWFO46otoY+3En07ilS3U9fS/
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Adds autorun key to be loaded by Explorer.exe on startup
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Chaos Ransomware
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Chaos family
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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Detect Xworm Payload
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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Redline family
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Stealc family
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Xworm family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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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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Drops file in Drivers directory
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Modifies RDP port number used by Windows
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Modifies Shared Task Scheduler registry keys
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Sets service image path in registry
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Uses browser remote debugging
Can be used control the browser and steal sensitive information such as credentials and session cookies.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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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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Impair Defenses: Safe Mode Boot
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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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Downloads MZ/PE file
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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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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops file in System32 directory
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Enumerates processes with tasklist
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Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Sets desktop wallpaper using registry
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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
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Browser Extensions
1Event Triggered Execution
1Component Object Model Hijacking
1Modify Authentication Process
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Access Token Manipulation
1Create Process with Token
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Component Object Model Hijacking
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Access Token Manipulation
1Create Process with Token
1Direct Volume Access
1Hide Artifacts
1Ignore Process Interrupts
1Impair Defenses
1Safe Mode Boot
1Indicator Removal
3File Deletion
3Modify Authentication Process
1Modify Registry
8Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Modify Authentication Process
1Steal Web Session Cookie
1Unsecured Credentials
2Credentials In Files
2Discovery
Browser Information Discovery
1Peripheral Device Discovery
2Process Discovery
1Query Registry
10Remote System Discovery
1System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
2