MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db18483e4256dc8f3362b52e3474260eeee4a7e7af43c8126200237e5a8804db. 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 File information Comments

SHA256 hash: db18483e4256dc8f3362b52e3474260eeee4a7e7af43c8126200237e5a8804db
SHA3-384 hash: f4ab9e9579e32201c044826c31b54030a80bac9da09fd9424f26b77798c82cb008ff2835e0f6cf35c433099e1408e9d2
SHA1 hash: ecd3faede2a34fee58c8b84e297abf217e9b4b4c
MD5 hash: 43bf47ce9c3b94e284d4b1127ae23316
humanhash: west-ohio-london-delta
File name:RFQ.exe
Download: download sample
Signature MassLogger
File size:862'720 bytes
First seen:2020-08-11 12:26:10 UTC
Last seen:2020-08-11 13:19:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:bGtpqAs1yqoORh2n3RODAPKpg++8CjgDdBP94cdhiL/jUOgrpiATnS56DY0ssmeN:bSpq1AKeBNyG+LDdB9n8LjUDQA
Threatray 723 similar samples on MalwareBazaar
TLSH 1705AEAC325876DEC597CD36896C2C90AA217C275B1FC50BA01731AD9A3DB97CF106B3
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.linux108.papaki.gr
Sending IP: 185.138.43.36
From: Ian Walker <iwalker@multipowerproducts.com>
Reply-To: Ian Walker <iwalker@multipowerproducts.com>
Subject: RE:BANK TRANSFER SLIP
Attachment: BANK SLIP v.zip (contains "RFQ.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Deleting of the original file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Deletes itself after installation
Machine Learning detection for sample
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)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 261746 Sample: RFQ.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 80 25 Yara detected MassLogger RAT 2->25 27 Yara detected AntiVM_3 2->27 29 Machine Learning detection for sample 2->29 31 2 other signatures 2->31 8 RFQ.exe 1 2->8         started        process3 file4 21 C:\Users\user\AppData\Local\...\RFQ.exe.log, ASCII 8->21 dropped 33 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->33 35 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->35 12 RFQ.exe 3 8->12         started        signatures5 process6 process7 14 cmd.exe 1 12->14         started        process8 16 powershell.exe 17 14->16         started        19 conhost.exe 14->19         started        signatures9 23 Deletes itself after installation 16->23
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-11 12:28:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware spyware stealer family:masslogger
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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.

File information


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

Malspam

MassLogger

Executable exe db18483e4256dc8f3362b52e3474260eeee4a7e7af43c8126200237e5a8804db

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments