MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a33a1cc44de644f4606244fe1896aae06f65e2e86a569496066918ab190ad465. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



MassLogger


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: a33a1cc44de644f4606244fe1896aae06f65e2e86a569496066918ab190ad465
SHA3-384 hash: 44d16dfeb7ee083266beb3f99ea19c032140dd8515e756a12b9f70227431f673727ef24620eb250f027f71a8b766c94d
SHA1 hash: 4bd0a45d26550e09168bb602a6aa7594a496393c
MD5 hash: 443a56720faf5b6c2ed746edd71f7abf
humanhash: harry-london-emma-low
File name:rockkk9980.vbs
Download: download sample
Signature MassLogger
File size:16'394 bytes
First seen:2025-09-16 08:07:47 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 192:X2YYDUrI6cnddBASqP0GMT7w1TjqhjNDo1PO8/RV9Q34yeJgA0bSN9JXHa:XmCI6cnnZ1GMT7kPiDMm85VS4fzXa
Threatray 2'126 similar samples on MalwareBazaar
TLSH T11172DE3DA558EFF00B1E22F5519B7D162090D322B935DE7DA8EB81743F222518F960EC
Magika vba
Reporter abuse_ch
Tags:MassLogger vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
File Type:
vbs
First seen:
2025-09-15T08:32:00Z UTC
Last seen:
2025-09-15T08:32:00Z UTC
Hits:
~1000
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778321 Sample: rockkk9980.vbs Startdate: 16/09/2025 Architecture: WINDOWS Score: 100 34 reallyfreegeoip.org 2->34 36 ihmmkvkaiwnilneauhfn.supabase.co 2->36 38 4 other IPs or domains 2->38 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 56 16 other signatures 2->56 9 wscript.exe 1 2->9         started        signatures3 54 Tries to detect the country of the analysis system (by using the IP) 34->54 process4 signatures5 58 VBScript performs obfuscated calls to suspicious functions 9->58 60 Suspicious powershell command line found 9->60 62 Wscript starts Powershell (via cmd or directly) 9->62 64 2 other signatures 9->64 12 powershell.exe 14 17 9->12         started        process6 dnsIp7 40 45.61.150.203, 49716, 80 QUICKPACKETUS United States 12->40 42 ihmmkvkaiwnilneauhfn.supabase.co 104.18.38.10, 443, 49713 CLOUDFLARENETUS United States 12->42 66 Writes to foreign memory regions 12->66 68 Injects a PE file into a foreign processes 12->68 16 MSBuild.exe 15 2 12->16         started        20 taskkill.exe 1 12->20         started        22 taskkill.exe 1 12->22         started        24 4 other processes 12->24 signatures8 process9 dnsIp10 30 checkip.dyndns.com 132.226.8.169, 49717, 80 UTMEMUS United States 16->30 32 reallyfreegeoip.org 104.21.80.1, 443, 49723 CLOUDFLARENETUS United States 16->32 44 Tries to steal Mail credentials (via file / registry access) 16->44 46 Tries to harvest and steal browser information (history, passwords, etc) 16->46 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        signatures11 process12
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Script-WScript.Trojan.GuLoader
Status:
Malicious
First seen:
2025-09-15 12:19:47 UTC
File Type:
Text (VBS)
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
MassLogger
Masslogger family
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments