MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49d9309eac532c0e556de20a5caab67bf0819266c5eee7aeb794472a3f70b3d6. 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


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49d9309eac532c0e556de20a5caab67bf0819266c5eee7aeb794472a3f70b3d6
SHA3-384 hash: 983a7a17a983a6eec409f2052a62002b16f586464ef254b0b863a6c7f4a12c40d83e8e23f9e4d8964828a8ef11fff920
SHA1 hash: 880552aa16c77bbfbca30d617968eb1595891af8
MD5 hash: c477c35173e0379768a2903e3684d60e
humanhash: twenty-venus-uniform-indigo
File name:c477c35173e0379768a2903e3684d60e.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:3'625'472 bytes
First seen:2020-10-28 10:13:24 UTC
Last seen:2020-10-28 12:07:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:IATpGjqXWaQIpCZnx3uAWqvgneh8yONNhMbtSjAcRUkRUd16/rm6uvvlnh7cQd+J:I
TLSH AFF5473D6E9826E36177E676A0F60587FDE8658673781C4B02C32B482D4AF063D9B34D
Reporter abuse_ch
Tags:exe MassLogger


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

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/80456/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.44235265.22018.17612.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514918
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/49d9309eac532c0e556de20a5caab67bf0819266c5eee7aeb794472a3f70b3d6/
Threat name:
Win32.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 00:10:53 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jhmtbhvmkmwa4vln4iffzkvwppyidetgyxxoplvxsrdsup3qwpla._file
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201028-9tcr93zdbj/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:win_masslogger_w0
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.

Web download

MassLogger

Executable exe 49d9309eac532c0e556de20a5caab67bf0819266c5eee7aeb794472a3f70b3d6

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/80456/
  
URLhaus
https://urlhaus.abuse.ch/url/752072/
  
Delivery method
Distributed via web download

Comments