MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 391bd050efa8e5d02a1d1a5bb174374efce434f2457fdb0ca4c26f92341e4fa5. 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 2 File information Comments

SHA256 hash: 391bd050efa8e5d02a1d1a5bb174374efce434f2457fdb0ca4c26f92341e4fa5
SHA3-384 hash: dcc4834e4987dbaa4a45eca2439dad60e9b05b1657c6b2aabed3c5ec0b163b73e377380fca1fbea85c03b734d681cb61
SHA1 hash: 6d9679f46a29b18d3caadb9217b0fa1790c42578
MD5 hash: ada5beecde7f9234cfea4e0654758f9e
humanhash: spaghetti-skylark-diet-hawaii
File name:PO7883.pdf.exe
Download: download sample
Signature MassLogger
File size:1'156'096 bytes
First seen:2020-07-29 03:55:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash de8dfb437da223579ad1a02f0bcd4fd5 (4 x AgentTesla, 4 x Loki, 1 x FormBook)
ssdeep 24576:VWl1K4mOu9wsqaEpXtmxS04UvcRrhlMJSdby4TtBEX6jCMi:V2y7EpSS04gc5h7b4XyCMi
Threatray 2'252 similar samples on MalwareBazaar
TLSH B235F132B2F14837C167267D9C1B57AC9C29BE0339285D46EBE82D4C4F3968135EA2D7
Reporter jarumlus
Tags:MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading Telegram data
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-28 02:15:25 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware upx spyware stealer family:masslogger
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
UPX packed file
MassLogger
MassLogger log file
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: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 391bd050efa8e5d02a1d1a5bb174374efce434f2457fdb0ca4c26f92341e4fa5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments