MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments
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SHA256 hash: fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8
SHA3-384 hash: 6b053b1d83a744c3b60072820199e04628363a375dc63d2f116f3458536501289bc7466a7281f451247190bd5d99fdf8
SHA1 hash: fa6982b92b27d20c477242c61315f57f2bbd43e5
MD5 hash: d5219d81e2000cfc97bf307961aaef71
humanhash: utah-snake-sweet-nuts
File name:1C25TNT_00000682.js
Download: download sample
Signature MassLogger
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File size:2'204 bytes
First seen:2025-08-08 16:45:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:i3gP+TElUROFwBqUONdwZjZ+H1TXdEvllyXo5hrBOje:OgeHOF7dwfKTEvllh5ZYi
TLSH T13E41A28D3A41B1D0170392ABAD5E490BA736CE39209ED642E122F4943C2C775EB5FAB1
Magika javascript
Reporter abuse_ch
Tags:js MassLogger TNT

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689629bb1e8a59ee04e789d6
Tags:
dropper extens spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated
Link:
https://www.filescan.io/uploads/689629c7397fd3ce6fa278d9/reports/c5c524f4-75cf-4c3b-9b93-9672a315e772/overview
Verdict:
Malicious
Labled as:
Trojan.Script.Heuristic
Link:
https://www.hybrid-analysis.com/sample/fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8
Result
Threat name:
MSIL Logger, MassLogger RAT
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753175
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
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
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753175 Sample: 1C25TNT_00000682.js Startdate: 08/08/2025 Architecture: WINDOWS Score: 100 31 reallyfreegeoip.org 2->31 33 checkip.dyndns.org 2->33 35 checkip.dyndns.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 51 14 other signatures 2->51 8 wscript.exe 4 19 2->8         started        signatures3 49 Tries to detect the country of the analysis system (by using the IP) 31->49 process4 dnsIp5 37 147.124.215.110, 49699, 49700, 80 AC-AS-1US United States 8->37 21 C:\Users\user\AppData\Local\...\XZ8Ft0S.exe, PE32 8->21 dropped 23 C:\Users\user\AppData\Local\...\AUTOPILOT.exe, PE32 8->23 dropped 53 System process connects to network (likely due to code injection or exploit) 8->53 55 Benign windows process drops PE files 8->55 57 JScript performs obfuscated calls to suspicious functions 8->57 59 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->59 13 XZ8Ft0S.exe 15 4 8->13         started        file6 signatures7 process8 file9 25 C:\Users\user\AppData\Local\TempEAEAA.dll, PE32 13->25 dropped 61 Antivirus detection for dropped file 13->61 63 Multi AV Scanner detection for dropped file 13->63 65 Writes to foreign memory regions 13->65 67 3 other signatures 13->67 17 CasPol.exe 14 4 13->17         started        signatures10 process11 dnsIp12 27 checkip.dyndns.com 193.122.130.0, 49701, 80 ORACLE-BMC-31898US United States 17->27 29 reallyfreegeoip.org 104.21.16.1, 443, 49702 CLOUDFLARENETUS United States 17->29 39 Tries to steal Mail credentials (via file / registry access) 17->39 41 Tries to harvest and steal browser information (history, passwords, etc) 17->41 signatures13
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8
Threat name:
Script-JS.Downloader.RedLineStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-08 12:55:51 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7qtkgo4dpzqdm32vgrpbqjcx6bxnwgaazcgcigrds46mwlquahma._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250808-t9vj2szrt7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
MassLogger
Masslogger family
Malware family:
MassLogger
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc26a33b837e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fc26a33b837e60366f55345e182457f06edb1800c88c241a23973ccb2e1401d8

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

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