General
-
Target
krunker.iohacks.cc
-
Size
30.9MB
-
Sample
240902-hsk4hawbnd
-
MD5
2850f1cb75953d9e0232344f6a13bf48
-
SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
-
SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
-
SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
-
SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
Static task
static1
Behavioral task
behavioral1
Sample
krunker.iohacks.exe
Resource
win11-20240802-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\RarSFX0\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Extracted
C:\DECRYPT-FILES.txt
maze
http://aoacugmutagkwctu.onion/6bd70ca7731d8c80
https://mazedecrypt.top/6bd70ca7731d8c80
Extracted
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\_R_E_A_D___T_H_I_S___2ET5Q6_.txt
cerber
http://xpcx6erilkjced3j.onion/E243-F10A-52FE-0098-B89D
http://xpcx6erilkjced3j.1n5mod.top/E243-F10A-52FE-0098-B89D
http://xpcx6erilkjced3j.19kdeh.top/E243-F10A-52FE-0098-B89D
http://xpcx6erilkjced3j.1mpsnr.top/E243-F10A-52FE-0098-B89D
http://xpcx6erilkjced3j.18ey8e.top/E243-F10A-52FE-0098-B89D
http://xpcx6erilkjced3j.17gcun.top/E243-F10A-52FE-0098-B89D
Targets
-
-
Target
krunker.iohacks.cc
-
Size
30.9MB
-
MD5
2850f1cb75953d9e0232344f6a13bf48
-
SHA1
141ab8929fbe01031ab1e559d880440ae931cc16
-
SHA256
892f11af94dea87bc8a85acdb092c74541b0ab63c8fcc1823ba7987c82c6e9ba
-
SHA512
25551eb0fbca013bcebd514eb72185e157a07f116a6973bfe4b728febcefc7044a816c5c70048c3fda2eeb4ce53b52bd7b19ef1ef851a0f4fc90451e60540d6d
-
SSDEEP
786432:j8Zic+QKJObt2u8xQYcLpoTEjoAsM0D0EHShV/:j8YQzB8xQzLp+nAV0BK
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Detect Neshta payload
-
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Contacts a large (1097) amount of remote hosts
This may indicate a network scan to discover remotely running services.
-
Modifies Windows Firewall
-
Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
-
Drops startup file
-
Executes dropped EXE
-
Modifies file permissions
-
Modifies system executable filetype association
-
Uses the VBS compiler for execution
-
Accesses Microsoft Outlook accounts
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
File and Directory Permissions Modification: Windows File and Directory Permissions Modification
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops autorun.inf file
Malware can abuse Windows Autorun to spread further via attached volumes.
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Enterprise v15
Execution
Scheduled Task/Job
1Scheduled Task
1Scripting
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event 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
1Windows Service
1Event 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
2Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
6Scripting
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Discovery
Browser Information Discovery
1Network Service Discovery
1Peripheral Device Discovery
1Query Registry
4Remote System Discovery
1System Information Discovery
5System Location Discovery
1System Language Discovery
1System Network Configuration Discovery
1Internet Connection Discovery
1