MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9753fb15b17d78d8f7793caadf177d71bf6f0a99e490537e768812a835db22fa. 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: 9753fb15b17d78d8f7793caadf177d71bf6f0a99e490537e768812a835db22fa
SHA3-384 hash: c9610873e9cb647f4cae913c74874cb2c2359b2d55c5fc3b84c3c5b4f2ead91bd32eeaf8733ccbc1f495df41c19063e2
SHA1 hash: e40c4945a0d302b060c9f1858ed705ae5e686741
MD5 hash: d78042c0170d7364cac343770ad24fc5
humanhash: fish-tennis-bravo-king
File name:Proforma.pdf.exe
Download: download sample
Signature MassLogger
File size:1'331'712 bytes
First seen:2020-08-19 07:30:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:v6aJE0ZRGccw72RpGnUP2urg9+QQrNVmhxTwpil989:q0ZRGkHnUOurgwNNVmh9wpile
Threatray 619 similar samples on MalwareBazaar
TLSH 3855D0917148B9D5C1672B749C7AA971023EBEE92210C61C3D07332B8973F66276BD8F
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ficelik.com.tr
Sending IP: 156.96.118.60
From: Amanbyek Murat <amanbyek@ficelik.com.tr>
Subject: PO:03648232// Proforma Invoice.
Attachment: Proforma.pdf.r00 (contains "Proforma.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Running batch commands
Launching a process
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 270824 Sample: Proforma.pdf.exe Startdate: 19/08/2020 Architecture: WINDOWS Score: 92 22 Yara detected MassLogger RAT 2->22 24 Yara detected AntiVM_3 2->24 26 Sigma detected: Suspicious Double Extension 2->26 28 6 other signatures 2->28 8 Proforma.pdf.exe 3 2->8         started        process3 file4 20 C:\Users\user\...\Proforma.pdf.exe.log, ASCII 8->20 dropped 30 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->30 12 Proforma.pdf.exe 2 8->12         started        signatures5 process6 process7 14 cmd.exe 1 12->14         started        process8 16 powershell.exe 19 14->16         started        18 conhost.exe 14->18         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-18 12:59:04 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
ransomware stealer spyware 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
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 9753fb15b17d78d8f7793caadf177d71bf6f0a99e490537e768812a835db22fa

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments