MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efc2e2029414d0b2c20a5a31a7845d77d3634b9c272363b79ba131b3bff453ee. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: efc2e2029414d0b2c20a5a31a7845d77d3634b9c272363b79ba131b3bff453ee
SHA3-384 hash: 181a63bb68165caa2b9fe7a5618e2037774d6b29ed439af4dde13af94c96f0e4eafc8773286e8b31bec872a48fb71591
SHA1 hash: 23b8ba6d0b814b248973801262d0df188c639ebd
MD5 hash: 3e82e0487cd35beacede883bdd9498bf
humanhash: dakota-oxygen-quiet-foxtrot
File name:Ca0898IF0909909.exe
Download: download sample
Signature MassLogger
File size:2'440'304 bytes
First seen:2020-10-27 12:51:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:uB/KAdy7nkq717QWwIux4CZJ3sCujGxCMysI3g7H52E4pKgaQ/3aoky+Enc+1Cc1:uw
Threatray 14 similar samples on MalwareBazaar
TLSH 71B56A3C6E9825A35177E276A1FA0587FDA8758673B80C4B02C33B496D4AF027E9734D
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: smtp3.hiworks.co.kr
Sending IP: 121.254.168.205
From: Mosul Harmad<sdos@sungdovalve.com>
Subject: AW: Swift
Attachment: Ca0898IF0909909.lzh (contains "Ca0898IF0909909.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %AppData% subdirectories
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Launching a process
Reading critical registry keys
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
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 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:
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Status:
Malicious
First seen:
2020-10-27 09:26:09 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

Executable exe efc2e2029414d0b2c20a5a31a7845d77d3634b9c272363b79ba131b3bff453ee

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments