MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 401b953b523b658a53f5da322b332176946c201d1b2f99c0cdc19f9c77cef0bc. 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: 401b953b523b658a53f5da322b332176946c201d1b2f99c0cdc19f9c77cef0bc
SHA3-384 hash: 11f4e513c66e460062dff0f1d703f6604750dd1551dd7acb369f9ca8a5ce5e799fff30f4e3c8bdd1d1a8d8af0c54b5cb
SHA1 hash: 2dda5b789d966d3704e2a261e394c89201090665
MD5 hash: ec46b1c50dec1119b99b3210c5c21094
humanhash: kitten-alabama-oscar-wyoming
File name:IMG_000924677656765_0025676544.exe
Download: download sample
Signature MassLogger
File size:692'224 bytes
First seen:2020-10-09 06:29:56 UTC
Last seen:2020-10-09 08:02:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5fi1+FZktvMCTBPYoqtqlSc5PrUFqOEBsI9swNFyRk7qgqKoR:5DAtvMCTBgPQMXaCwN77LqKoR
Threatray 445 similar samples on MalwareBazaar
TLSH B9E4BF13B990450FDE361AF2E39A5072A377D4EA920AE70C3BD52352CEC37EF0895566
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: SONJAFLECTH BERGER <dml@cyber.net.pk>
Subject: RFQ
Attachment: IMG_000924677656765_0025676544.Doc.z (contains "IMG_000924677656765_0025676544.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
Launching a process
Reading critical registry keys
Sending a UDP request
Sending a custom TCP request
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
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:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-09 01:22:17 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
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:
da51f1cbdabb9ac8a5f64ece3faef761527b8dd92965abc58333bebd63cf6cd0
MD5 hash:
7131f09c9593ea4f39b622c90c2a708c
SHA1 hash:
a46df0080ca38623dd468b89aa3cb36bc6b58d76
Detections:
win_masslogger_w0
SH256 hash:
165b6353a27653c087637f372f70713e4e0af658e87f03ba0703d8b975525243
MD5 hash:
112730ad698bcb62cfb8c64c4862640a
SHA1 hash:
6b42b1f3f372785c40b4f80c35d6aa2e0d012429
SH256 hash:
791219b1033cc2150561cf76066334bba779b7c18e7cd4e6f0d9c9a39869e63e
MD5 hash:
697ffb4d8a16b3811670764d4e0dadf1
SHA1 hash:
fbadc7b45f4de5af917d6fc6fc7e0c42262e0d30
SH256 hash:
c6fbfd9a281301883a4f3be06f02dd21dec122cb8937d770c941cb0602fed409
MD5 hash:
481e31c75d21463d06b0a1ca4c301e55
SHA1 hash:
03fe8398fc491e69d4acd2a811f62ac6541f9f1f
SH256 hash:
a9bdf8ff2cf545d3c786350fb5850a44b1fed970637c1cc6894f0f612a3d6d33
MD5 hash:
6051579116be38069e62aba2a2fed804
SHA1 hash:
e68b369bc131a32d5233ee395f47b337c2469042
SH256 hash:
401b953b523b658a53f5da322b332176946c201d1b2f99c0cdc19f9c77cef0bc
MD5 hash:
ec46b1c50dec1119b99b3210c5c21094
SHA1 hash:
2dda5b789d966d3704e2a261e394c89201090665
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 401b953b523b658a53f5da322b332176946c201d1b2f99c0cdc19f9c77cef0bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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