MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272
SHA3-384 hash: 36c202b61f2fd5777b93b6729822e1487390397c607542dda0ee15c145a39e8470a751cda28bdaf074800d6ac1d39590
SHA1 hash: b540d1aa876cabc38187aeda49124e3d5d73e990
MD5 hash: 0fabc5f0913cf98ecc4e3da04c6fe16e
humanhash: asparagus-maryland-high-quiet
File name:SHELTER ARCHITECTURE TECHNOLOGY.exe
Download: download sample
Signature MassLogger
File size:1'168'896 bytes
First seen:2020-11-05 09:44:03 UTC
Last seen:2020-11-05 11:51:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:N3JNuEiK7H1F9Nwv1TKTeFJYb5KdvFFfa:
Threatray 501 similar samples on MalwareBazaar
TLSH 7A455DF4909D24A2F25F4526A66EBDA802B2B193DBCB5C4C1378F5710ABB7637F0184D
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: slot0.shenzhentoptrade.net
Sending IP: 37.46.150.190
From: aaron@shelter-structures.com
Subject: Installtion drawings & instructions (20SH421-A/20SH422-A/20SH423-A)
Attachment: SHELTER ARCHITECTURE TECHNOLOGY.gz (contains "SHELTER ARCHITECTURE TECHNOLOGY.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
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
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 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 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:
Win32.Infostealer.Maslog
Status:
Malicious
First seen:
2020-11-05 07:07:33 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272
MD5 hash:
0fabc5f0913cf98ecc4e3da04c6fe16e
SHA1 hash:
b540d1aa876cabc38187aeda49124e3d5d73e990
SH256 hash:
34dff1ce8799169648a233a52d17b4562287414592540105be9da675abf95b9f
MD5 hash:
89bd8fe92db01d44a7ae948264cb97ae
SHA1 hash:
8f08b460403f2bddf89fcca0a05b7e08a642f3f3
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
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
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

MassLogger

Executable exe c840b9cc10bcbae0e575a43bb9ef69b5cb2ca7c4df9760f155a3ab4d2f689272

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments