General
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Target
krunker.iohacks.cc
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Size
30.9MB
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Sample
240902-qnls8ssaqc
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MD5
2850f1cb75953d9e0232344f6a13bf48
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SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
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SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
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SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
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SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
Static task
static1
Behavioral task
behavioral1
Sample
krunker.iohacks.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
krunker.iohacks.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Desktop\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Extracted
asyncrat
0.5.8
Default
176.111.174.140:6606
176.111.174.140:7707
176.111.174.140:8808
Hp6kvaq9BCyI
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delay
3
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install
true
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install_file
svchost.exe
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install_folder
%AppData%
Extracted
redline
diamotrix
176.111.174.140:1912
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
17cPCGUvvJYLFrBze1BzcXrsM6gBfE1LTY
Extracted
F:\$RECYCLE.BIN\S-1-5-21-2212144002-1172735686-1556890956-1000\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6d290cd533dde483
https://mazedecrypt.top/6d290cd533dde483
Extracted
http://192.168.5.128/powercat.ps1
Extracted
Protocol: ftp- Host:
files.000webhost.com - Port:
21 - Username:
fcb-aws-host-4
Extracted
C:\Users\Admin\AppData\Local\Temp\RarSFX0\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Extracted
stealc
leva
http://185.215.113.100
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url_path
/e2b1563c6670f193.php
Extracted
lumma
https://miracledzmnqwui.shop/api
https://interactiedovspm.shop/api
https://charecteristicdxp.shop/api
Targets
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Target
krunker.iohacks.cc
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Size
30.9MB
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MD5
2850f1cb75953d9e0232344f6a13bf48
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SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
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SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
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SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
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SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Phorphiex 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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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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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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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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Contacts a large (1152) amount of remote hosts
This may indicate a network scan to discover remotely running services.
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Downloads MZ/PE file
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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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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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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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Modifies file permissions
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Modifies system executable filetype association
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook accounts
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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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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Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
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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 Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Scripting
1System Services
1Service Execution
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
2Change Default File Association
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
2Windows Service
2Event Triggered Execution
2Change Default File Association
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
6Scripting
1Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
4Credentials In Files
4Discovery
Browser Information Discovery
1Network Service Discovery
1Peripheral Device Discovery
1Query Registry
9Remote System Discovery
1System Information Discovery
7System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1Virtualization/Sandbox Evasion
2