MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 394460b6c0b33b4e5d45308e968e765627fb9f34d4ad8c51b8922543d6bf2490. 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: 5
| SHA256 hash: | 394460b6c0b33b4e5d45308e968e765627fb9f34d4ad8c51b8922543d6bf2490 |
|---|---|
| SHA3-384 hash: | 36da2eb402251fddb6b2477b97e72f63a9af605d6db0f31ea8206bccff7dc5ab438cef10c716638adc63851a75fbc7e0 |
| SHA1 hash: | 18aa4810e293795e5276c49802ba5354901b5a52 |
| MD5 hash: | 551a76ed27cf2cdf7d15158bd10317ee |
| humanhash: | pasta-north-stairway-monkey |
| File name: | Request for Quote.doc |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 286'871 bytes |
| First seen: | 2020-11-17 08:50:50 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/rtf |
| ssdeep | 6144:3L4Sp62XCoQSJZDKnzP6ZXgwvoRehE6eEgiOrZob5/E1bYBGtJ/i60qC5:7zUOXDsSZXg6oRehE6bOOa1bYMtZ5o |
| TLSH | 3854BFB836147CD6766F166FCD97ACDD136727239A8BA4CD40687BC309A3375EE02809 |
| Reporter | |
| Tags: | doc MassLogger |
cocaman
Malicious email (T1566.001)From: "Marcel Verdonck <diani@aerospeedindo.com>" (likely spoofed)
Received: "from mailserver.aerospeedgroup.com (mailserver.aerospeedgroup.com [103.30.245.46]) "
Date: "Tue, 17 Nov 2020 15:27:07 +0700 (WIB)"
Subject: "Request"
Attachment: "Request for Quote.doc"
Office OLE Information
This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.
OLE dump
Intelligence
File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Creating a process from a recently created file
Result
Gathering data
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-11-17 08:51:05 UTC
File Type:
Document
Extracted files:
3
AV detection:
22 of 47 (46.81%)
Threat level:
5/5
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blacklisted process makes network request
Executes dropped EXE
MassLogger
MassLogger Main Payload
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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.