MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b515db56b7c63191b19befe748f7af7f00d08623029e8856c86fc46362fbed9f. 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: 6
| SHA256 hash: | b515db56b7c63191b19befe748f7af7f00d08623029e8856c86fc46362fbed9f |
|---|---|
| SHA3-384 hash: | 98a5e79eb3bb5143505f5ba453b88ff6a00c1baaa2048a09774fbc8e08108dacd9063bbd826a4e196b2b835c31a6ff0d |
| SHA1 hash: | 4f5274b7cb02c90ca07a62d8e9ae5d4953f31a64 |
| MD5 hash: | 8868a7c8d669888344a93d385db5fb12 |
| humanhash: | yankee-fourteen-earth-venus |
| File name: | DHL Delivery verification 0013211.doc |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 254'590 bytes |
| First seen: | 2020-09-22 14:26:44 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | text/rtf |
| ssdeep | 6144:czJVx4j9puAnSITZEbhvcHWESGq2ucn0VRs2MjdB08eT6cN:czJVx4jnuAfZEQPSTM0Ve2MR28eT9N |
| TLSH | BB44AFB876047DE6767F176BCA96BCEC03A52A2399C7A4CD8065B7C305A3375FE02805 |
| Reporter |  cocaman |
| Tags: | CVE-2017-11882 doc MassLogger |
cocaman
Malicious email (T1566.001)From: ""DHL" <office@gresdh.xyz>"
Received: "from rdns0.gresdh.xyz (rdns0.gresdh.xyz [68.183.114.83]) "
Date: "22 Sep 2020 06:57:07 -0700"
Subject: "Delivery Details [Address verification]"
Attachment: "DHL Delivery verification 0013211.doc"
Intelligence
File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a file downloaded from the Internet
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2020-09-22 14:28:08 UTC
File Type:
Document
Extracted files:
3
AV detection:
16 of 29 (55.17%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
Drops file in System32 directory
Suspicious use of SetThreadContext
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
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Exploit
Score:
1.00
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
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