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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bda828c196603e74f8cf5edd2fc03cf04e26a76a1ea6935fdc7e57133894b9f8. 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 File information Comments

SHA256 hash: bda828c196603e74f8cf5edd2fc03cf04e26a76a1ea6935fdc7e57133894b9f8
SHA3-384 hash: 8c96bb308fd7c31a630151e2c19015cc6396d3025e7024e0a71fcb871810bb6344fea10b41671f1660b326458360d8ea
SHA1 hash: 775d69317a6af07b87ac1f6314c8104e72d6f917
MD5 hash: 01abca3febcbc0ae661ae467ffc51623
humanhash: equal-nebraska-speaker-asparagus
File name:PO 26004697 OP.JS
Download: download sample
Signature MassLogger
File size:2'939'748 bytes
First seen:2026-07-14 10:10:11 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:JZDSpi5DnJJooibyZ9tVkGNvhk4ygW08lnU/mf4/zJ3rVOjPfuUmBE2oVEn:JRSpi5DnJeoibyZjVDFzygT8lnOvNbiQ
TLSH T1B3D5E74583A46273B764E35D913AEF3CA44E900325E9DF08395ED628796CE879348FE3
Magika javascript
Reporter abuse_ch
Tags:js MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
autorun shell sage blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper evasive obfuscated obfuscated packed repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-07-13T23:02:00Z UTC
Last seen:
2026-07-16T08:29:00Z UTC
Hits:
~1000
Result
Threat name:
DonutLoader, MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides threads from debuggers
JavaScript source code contains functionality to generate code involving a shell, file or stream
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 submitted file
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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)
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected DonutLoader
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1942110 Sample: PO 26004697 OP.JS.js Startdate: 14/07/2026 Architecture: WINDOWS Score: 100 51 reallyfreegeoip.org 2->51 53 checkip.dyndns.org 2->53 55 checkip.dyndns.com 2->55 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for submitted file 2->69 73 11 other signatures 2->73 10 wscript.exe 1 6 2->10         started        14 rundll32.exe 3 3 2->14         started        signatures3 71 Tries to detect the country of the analysis system (by using the IP) 51->71 process4 file5 43 C:\...\PO 26004697 OP.JS.js:Zone.Identifier, ASCII 10->43 dropped 45 C:\Users\user\...\PO 26004697 OP.JS.js, Unicode 10->45 dropped 83 JScript performs obfuscated calls to suspicious functions 10->83 85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->85 87 WScript reads language and country specific registry keys (likely country aware script) 10->87 16 XZSMTZLJTFAVGDWR.PIF 15 3 10->16         started        20 wscript.exe 1 14->20         started        signatures6 process7 dnsIp8 47 checkip.dyndns.com 132.226.247.73, 49708, 49710, 80 ORACLE-BMC-31898-OracleCorporationUS Brazil 16->47 49 reallyfreegeoip.org 104.21.67.152, 443, 49709, 49711 CLOUDFLARENET-CloudflareIncUS Canada 16->49 57 Tries to steal Mail credentials (via file / registry access) 16->57 59 Hides threads from debuggers 16->59 61 Unusual module load detection (module proxying) 16->61 22 cmd.exe 1 16->22         started        25 cmd.exe 1 16->25         started        27 conhost.exe 16->27         started        63 WScript reads language and country specific registry keys (likely country aware script) 20->63 29 XZSMTZLJTFAVGDWR.PIF 3 20->29         started        signatures9 process10 signatures11 75 Uses schtasks.exe or at.exe to add and modify task schedules 22->75 31 schtasks.exe 1 22->31         started        33 cmd.exe 1 25->33         started        77 Tries to steal Mail credentials (via file / registry access) 29->77 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79 81 Hides threads from debuggers 29->81 35 cmd.exe 29->35         started        37 conhost.exe 29->37         started        process12 process13 39 schtasks.exe 1 33->39         started        41 schtasks.exe 35->41         started       
Gathering data
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery execution persistence spyware stealer
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
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 NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: MassLogger
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments