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


Intelligence 5 IOCs YARA File information Comments

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:Word file doc
MIME type:text/rtf
ssdeep 6144:3L4Sp62XCoQSJZDKnzP6ZXgwvoRehE6eEgiOrZob5/E1bYBGtJ/i60qC5:7zUOXDsSZXg6oRehE6bOOa1bYMtZ5o
TLSH 3854BFB836147CD6766F166FCD97ACDD136727239A8BA4CD40687BC309A3375EE02809
Reporter cocaman
Tags:doc MassLogger


Avatar
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318694 Sample: Request for Quote.doc Startdate: 17/11/2020 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for domain / URL 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected MassLogger RAT 2->53 55 11 other signatures 2->55 7 EQNEDT32.EXE 1 2->7         started        12 vlc.exe 2->12         started        14 vlc.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 41 hieujhfbnbxgasjd.dynv6.net 151.80.8.30, 49165, 80 OVHFR Italy 7->41 33 C:\Users\user\AppData\Roaming\ION.exe, PE32 7->33 dropped 67 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->67 18 ION.exe 1 2 7->18         started        69 Injects a PE file into a foreign processes 12->69 22 vlc.exe 12 12->22         started        25 vlc.exe 14->25         started        file5 signatures6 process7 dnsIp8 31 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 18->31 dropped 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->57 59 Machine Learning detection for dropped file 18->59 61 Injects a PE file into a foreign processes 18->61 27 ION.exe 12 18->27         started        35 23.21.252.4, 49167, 80 AMAZON-AESUS United States 22->35 37 nagano-19599.herokussl.com 22->37 39 2 other IPs or domains 22->39 63 Tries to steal Mail credentials (via file access) 22->63 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 file9 signatures10 process11 dnsIp12 43 elb097307-934924932.us-east-1.elb.amazonaws.com 54.243.161.145, 49166, 80 AMAZON-AESUS United States 27->43 45 nagano-19599.herokussl.com 27->45 47 api.ipify.org 27->47 71 Tries to steal Mail credentials (via file access) 27->71 signatures13
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

MassLogger

Word file doc 394460b6c0b33b4e5d45308e968e765627fb9f34d4ad8c51b8922543d6bf2490

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments