MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5
SHA3-384 hash: ac01b94937d3e1e097c0fb15d15a6aa32463f50cc1f277006b45ff70296e37183ee53cce82d32965d1751ee454340348
SHA1 hash: 36d38196dd5867aa472fc80a970abc990524c6f0
MD5 hash: 5ba337af468de6f90b4c31ff4cef4c45
humanhash: bulldog-saturn-double-hamper
File name:5ba337af468de6f90b4c31ff4cef4c45.exe
Download: download sample
Signature MassLogger
File size:598'016 bytes
First seen:2020-11-28 11:22:02 UTC
Last seen:2020-11-28 12:44:54 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 12288:Jen4pLX6lLOk+YgE/sBQX4AQXz6v9129bA49cFHZREAmDj:JeTLOk+4EmX4x+nD4mzRm
Threatray 563 similar samples on MalwareBazaar
TLSH 70D402A2F6139AE8D91A0BF21876967041279D8D68A5C10D30DD3F2F37B235338A7D5E
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.hkoffice365.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
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
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 324142 Sample: Ei6JTaGDim.exe Startdate: 28/11/2020 Architecture: WINDOWS Score: 100 35 g.msn.com 2->35 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected MassLogger RAT 2->59 61 8 other signatures 2->61 7 Ei6JTaGDim.exe 1 6 2->7         started        11 vlc.exe 2 2->11         started        13 vlc.exe 3 2->13         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->29 dropped 31 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\...i6JTaGDim.exe.log, ASCII 7->33 dropped 63 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->63 15 Ei6JTaGDim.exe 15 2 7->15         started        65 Injects a PE file into a foreign processes 11->65 19 vlc.exe 11->19         started        21 vlc.exe 11->21         started        23 vlc.exe 11->23         started        25 vlc.exe 11->25         started        27 vlc.exe 14 2 13->27         started        signatures6 process7 dnsIp8 37 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 49723, 49729, 80 AMAZON-AESUS United States 15->37 39 192.168.2.1 unknown unknown 15->39 47 2 other IPs or domains 15->47 51 Tries to steal Mail credentials (via file access) 15->51 41 23.21.126.66, 49747, 80 AMAZON-AESUS United States 19->41 49 2 other IPs or domains 19->49 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 43 nagano-19599.herokussl.com 27->43 45 api.ipify.org 27->45 signatures9
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Status:
Malicious
First seen:
2020-11-28 01:33:12 UTC
AV detection:
23 of 29 (79.31%)
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
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
Unpacked files
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
SH256 hash:
d369d3d5f32d6baf49c67091717ddafaf81ef1d6fde41040a88a002cd5261359
MD5 hash:
be1663922433dee31f2288775150632f
SHA1 hash:
a3253a7772192491583897abd0570843d6be8971
SH256 hash:
282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5
MD5 hash:
5ba337af468de6f90b4c31ff4cef4c45
SHA1 hash:
36d38196dd5867aa472fc80a970abc990524c6f0
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
Author:kevoreilly
Description:MassLogger
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.

Web download

MassLogger

Executable exe 282d4efd74164b844bf5a0dc437745738f2f48070575d278e83128a09c6929d5

(this sample)

  
Delivery method
Distributed via web download

Comments