MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f4e3e3c855256df5e4de448afc3c08fe1635ee8a1200e0ea2818210506f0319. 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: 4


Intelligence 4 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f4e3e3c855256df5e4de448afc3c08fe1635ee8a1200e0ea2818210506f0319
SHA3-384 hash: 5ea73ab196c4b0cb116df7d654aafa411e5ac4b35d4f444be6196afb29529df16e42e0098fa5840a01b6fb8adf45e140
SHA1 hash: 6ae498b9d21be8bd26a9bf1fb5a53150ce54c467
MD5 hash: 1623cf161d271e79e5c1e44090fca4f8
humanhash: high-nineteen-quebec-mountain
File name:INQUIRY_RAW MATERIALS.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:832'512 bytes
First seen:2020-06-15 05:45:18 UTC
Last seen:2020-06-15 20:10:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tzVzqLn0czKdKDtIbISS3mQ2FWH48t8U2PoHHktGqguBNbMtCZ:DzqLn0GK+IrxQJH4ydHH1qLh
Threatray 1'061 similar samples on MalwareBazaar
TLSH 150523487F094394C67E863DDBF6868113B285A32272E21F6AEC316C9F677E6C501F19
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: rhino.lk
Sending IP: 37.49.224.135
From: Thilina Jayasinghe - (Senior PO) <thilina.jayasinghe@rhino.lk>
Subject: Re: Inquiry for Raw Materials
Attachment: INQUIRY_RAW MATERIALS.rar (contains "INQUIRY_RAW MATERIALS.exe")

MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10273/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.34016426.19424.29719.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-15 00:59:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5hd4pefkjln6xsn4rek7q6ar7qwgxxiueqa4dvcqgbbaudpammq._file
Verdict:
suspicious
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3f8c2a8d34d7d3f61451ea1beb9d9671cc50aa2cbe39d700a08d0215b8b7163b
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7758c91a218460dfc6cc95e5c106c50431cdd6cad667b4e8c98bee960ff06b3a
MassLogger
addd02b5623bb29f4cb564b9c228184123a33a94e8308a28c8e74be662e120b3
MassLogger
b04d6c5e4e1759d306dbec63b416be318058ff1698e8ff4b022bad89c7636e29
MassLogger
d97d1614a199d784c0697ff01eff3e4d195dd07e65879a59b3b805d2088ad8a9
MassLogger
debcd0af0a58eb42e8547392527d9daf5993826d3b53f795369d712c48ac2b12
MassLogger
e86863fab85a50441e0e576550d74ef97d8a3e82085ead6e5fae22930de1866c
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+ 1'051 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger ransomware rezer0 spyware stealer
Link:
https://tria.ge/reports/201109-b3j3rxhn76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
rezer0
MassLogger
MassLogger Main Payload
MassLogger log file
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:masslogger_gcch
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.

Malspam

MassLogger

rar e13e69844f408a554bd0b8cac5fb83501d1873d62247f27d71c4209daef6ebb3

MassLogger

Executable exe 4f4e3e3c855256df5e4de448afc3c08fe1635ee8a1200e0ea2818210506f0319

(this sample)

  
Dropped by
MD5 b837a926e7b2f95b1567b75471651c30
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e13e69844f408a554bd0b8cac5fb83501d1873d62247f27d71c4209daef6ebb3
Cape
Cape
https://www.capesandbox.com/analysis/10273/

Comments