MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb3d6a6bfec90855240b6e239a10d283ecf13b118e9b769e2f4100b3eec76a12. 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: eb3d6a6bfec90855240b6e239a10d283ecf13b118e9b769e2f4100b3eec76a12
SHA3-384 hash: 77fe6217add70a7b6283f03227a6c1eab2b029caf4007f83d887b57c7a8d4de1b564cba328f73c59b908f8ad71983016
SHA1 hash: 7c3e04a6eb2252a38b50b237ba201114bdfaf346
MD5 hash: e62ddd8facfe9707b2f56fd60bb09266
humanhash: rugby-river-skylark-mirror
File name:BL_0003.exe
Download: download sample
Signature MassLogger
File size:833'024 bytes
First seen:2020-08-05 09:22:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:G5MRplYnzxsdnk55IlQze/JorBTfrEFgq13MPXVWbkDhcdPs5xQf:G5qpqzxs+z/BfrGgq13UV/iO5x
Threatray 897 similar samples on MalwareBazaar
TLSH 6C05125D33A05269F17B0D3FAD7109838D12F81FDA36D65B6AB0123C04BD5ACAD62FA1
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: san-hong.com.cn
Sending IP: 103.99.1.147
From: 庄晓丽 <amily@san-hong.com.cn>
Subject: Draft Bill of Lading
Attachment: BL_0003.zip (contains "BL_0003.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Enabling autorun by creating a file
Deleting of the original file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Deletes itself after installation
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257724 Sample: BL_0003.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 88 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 Yara detected MassLogger RAT 2->39 41 Machine Learning detection for sample 2->41 43 3 other signatures 2->43 8 BL_0003.exe 5 2->8         started        process3 file4 29 C:\Users\user\AppData\Roaming\fauItV.exe, PE32 8->29 dropped 31 C:\Users\user\...\fauItV.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmpC86A.tmp, XML 8->33 dropped 35 C:\Users\user\AppData\...\BL_0003.exe.log, ASCII 8->35 dropped 47 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->47 49 Injects a PE file into a foreign processes 8->49 51 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->51 12 BL_0003.exe 3 8->12         started        14 schtasks.exe 1 8->14         started        16 BL_0003.exe 8->16         started        18 BL_0003.exe 8->18         started        signatures5 process6 process7 20 cmd.exe 1 12->20         started        22 conhost.exe 14->22         started        process8 24 powershell.exe 17 20->24         started        27 conhost.exe 20->27         started        signatures9 45 Deletes itself after installation 24->45
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 06:26:46 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 WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Creates scheduled task(s)
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
MassLogger log file
MassLogger
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 eb3d6a6bfec90855240b6e239a10d283ecf13b118e9b769e2f4100b3eec76a12

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments