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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568
SHA3-384 hash: ad554f97a1050f51a97e1d50968b8d7770871b76aceb4e9f88e4ae6d1820110edef328c6e95d04714df4482428747609
SHA1 hash: 7012a9989d10f18cfed17e17003d3787ad41923b
MD5 hash: 2730bb448a1a1cfd676ec230d5ad8fc8
humanhash: cola-winter-river-harry
File name:Inv.js
Download: download sample
Signature MassLogger
Create hunting rule
File size:476'068 bytes
First seen:2026-09-23 12:28:06 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:pZph+Hxu1OZvgOwBefrEZ7DAuZS9FZ7J1PtSRQ4A/ZbkNg15EVzPMuhK24AIh913:A
TLSH T1FCA4BE9293EA0A0DF2F62F5A693B61614E777C42A83D958C21CC641E4FF7A04CD61B73
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:js MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Muldrop.1417.2517.19084.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Link:
https://www.filescan.io/uploads/6ab3c5e69e369e6ac12e6919/reports/b83e7d48-1f36-4a54-b684-bc0907614d25/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568
Verdict:
Malicious
File Type:
js
First seen:
2026-09-23T08:56:00Z UTC
Last seen:
2026-09-24T10:11:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568/results?tab=lookup
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1976793
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
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: Windows Shell/Scripting Application File Write to Suspicious Folder
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)
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 Injector
Yara detected MSIL Logger
Yara detected Powershell decode and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1976793 Sample: Inv.js Startdate: 23/09/2026 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 mail.miniorangeman.com 2->32 34 3 other IPs or domains 2->34 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 52 13 other signatures 2->52 8 wscript.exe 1 2->8         started        signatures3 50 Tries to detect the country of the analysis system (by using the IP) 30->50 process4 signatures5 54 Suspicious powershell command line found 8->54 56 Wscript starts Powershell (via cmd or directly) 8->56 58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->58 60 2 other signatures 8->60 11 powershell.exe 14 16 8->11         started        process6 dnsIp7 36 5.175.169.207, 49740, 80 ASGHOSTNETDE Italy 11->36 38 rough-truth-e072.publicftpresend.workers.dev 104.21.91.242, 443, 49737 CLOUDFLARENET-CloudflareIncUS Canada 11->38 22 C:\Users\Public\Downloads\payload.txt, ASCII 11->22 dropped 62 Writes to foreign memory regions 11->62 64 Injects a PE file into a foreign processes 11->64 16 CasPol.exe 15 4 11->16         started        20 conhost.exe 11->20         started        file8 signatures9 process10 dnsIp11 24 mail.miniorangeman.com 209.99.184.49, 49748, 587 SKN-NETWORK-1-SKNSubnetTelecomLtdKN United States 16->24 26 checkip.dyndns.com 132.226.247.73, 49745, 80 ORACLE-BMC-31898-OracleCorporationUS Brazil 16->26 28 reallyfreegeoip.org 172.67.177.134, 443, 49747 CLOUDFLARENET-CloudflareIncUS Canada 16->28 40 Tries to steal Mail credentials (via file / registry access) 16->40 42 Tries to harvest and steal browser information (history, passwords, etc) 16->42 signatures12
Score:
60%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568/
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2026-09-23 12:28:20 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 36 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdtw5jhx5sgrwuefqfidx4xvz66n3s2t3nxkqxklcizhp55movua._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/260923-pnhk5sbd78/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/88e76ea4f7ec8d1b508581503bf2f5cfbcddcb53db6ea85d4b123277f7ac7568

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:MULTI_Malware_RemcosRAT_ForgeAuto_b2cd4b50
Create hunting rule
Author:Marjoriefort
Description:Detects RemcosRAT (inconnu, etat binaire)

File information

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

Comments