MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f80a6416535bb755c265b940e2c3d6c7b5adda148883e3376a6b2672809a480. 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 2 File information Comments

SHA256 hash: 7f80a6416535bb755c265b940e2c3d6c7b5adda148883e3376a6b2672809a480
SHA3-384 hash: e87423a6e5ec67f734858aae1d92ec4f0c916dbd9706ed488721210c499acc30b0f98e5414f57aed9cd76ab1ecbe0868
SHA1 hash: 60e2e837198cc22f952ce83d6e74a80b9878f4fe
MD5 hash: c018a68da93b2ffa5ce1dca408c20a38
humanhash: massachusetts-single-mockingbird-ack
File name:Halkbank_Ekstre_20200729_075809_897482.pdf.exe
Download: download sample
Signature MassLogger
File size:1'057'792 bytes
First seen:2020-07-29 14:31:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KQD1tuPEwCJve0mSTLGvKkvxjFwVwSQV8KBBm1:zD19wCJVvTAbJswSQXu1
Threatray 644 similar samples on MalwareBazaar
TLSH F925F19DB680E826C6BE8174A1DD0518CFFDC186912BF3066855D3BFAAC7363D9011BE
Reporter abuse_ch
Tags:exe geo Halkbank MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mail-cld-x26.trdns.com
Sending IP: 77.245.152.26
From: HALKBANK.E-EKSTRE <info@novaambulans.com>
Subject: T.HALK BANKASI A.S. 29.07.2020 Hesap Ekstresi
Attachment: Halkbank_Ekstre_20200729_075809_897482.pdf.z (contains "Halkbank_Ekstre_20200729_075809_897482.pdf.exe")

MassLogger SMTP exfil server:
smtp.yandex.com.tr:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading Telegram data
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:
92 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
May check the online IP address of the machine
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 MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 13:33:39 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware stealer spyware family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
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 7f80a6416535bb755c265b940e2c3d6c7b5adda148883e3376a6b2672809a480

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments