General
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Target
Dot.Tk.123.ticket.keygen.by.CORE.bin.zip
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Size
6.1MB
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Sample
210912-jhp55sfbbr
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MD5
e0e12184991eab552692c03d6853e425
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SHA1
2d31a35b75a09cb706bcec021031d0988e3aee97
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SHA256
01ecd5534093150c638a818c19f30b7264b3e6e1020edb7a2b17a35f793c6bb1
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SHA512
7281e166557eda5505122254ebb50b98ce572d422899f7ecce9d9b95f6f4aa93aaed87ec5511e5a30249be12f47840601edd8f18da23bf9339611516dac47527
Static task
static1
Behavioral task
behavioral1
Sample
Dot.Tk.123.ticket.keygen.by.CORE.bin.exe
Resource
win10-en
Malware Config
Extracted
C:\_readme.txt
djvu
https://we.tl/t-CtDpAM1g5f
Extracted
azorult
http://kvaka.li/1210776429.php
Extracted
smokeloader
2020
http://varmisende.com/upload/
http://fernandomayol.com/upload/
http://nextlytm.com/upload/
http://people4jan.com/upload/
http://asfaltwerk.com/upload/
Targets
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Target
Dot.Tk.123.ticket.keygen.by.CORE.bin
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Size
6.2MB
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MD5
0cb3efeb5d9312e068c57e7e55affed7
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SHA1
aad1c65d257c7d2929ffb916114bc532feba0a16
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SHA256
a974231d8889e05fedfbe73b5cc58e414de6fd5031765c998a24ac326f35b0b2
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SHA512
236ce9aa9e71f279e7833c4f0afbad15a2de4aaf62e78a82f1132224951f25f0a184aacfe5c963a20481c20cdb12e1a56e6aaf662f4a07c756abe0c539488898
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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ElysiumStealer
ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.
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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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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
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suricata: ET MALWARE Known Sinkhole Response Header
suricata: ET MALWARE Known Sinkhole Response Header
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16
suricata: ET MALWARE Win32/AZORult V3.3 Client Checkin M16
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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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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Executes dropped EXE
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Modifies Windows Firewall
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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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Loads dropped DLL
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Modifies file permissions
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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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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 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 v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
1File and Directory Permissions Modification
1Install Root Certificate
1Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1