MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7aefff47da5ec1a633a406297cd1decd1569d9ff0948ce39c80be809129ebf6d. 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: 7aefff47da5ec1a633a406297cd1decd1569d9ff0948ce39c80be809129ebf6d
SHA3-384 hash: 4cc5bd3e1af09396a4d92327ef7e3af54481e77d3548d83660712eadd47a9ae7faa842d98404f7d5ee711783f6cd86e9
SHA1 hash: 9feb94a9b617aafb8b4fe9d72814f3ee6a5042dd
MD5 hash: 691491936331e5fcea12089bc6473ebc
humanhash: solar-apart-vermont-london
File name:691491936331e5fcea12089bc6473ebc.exe
Download: download sample
Signature MassLogger
File size:1'436'160 bytes
First seen:2020-08-06 08:35:13 UTC
Last seen:2020-08-06 13:46:14 UTC
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:EIYxPwX5WFUzR2w69Io7gwiCQP9bit+6BGn6VHRXWo/VZlsV2c9K:EIDifwYgwFk3ma6xBWo/VjsV19
Threatray 721 similar samples on MalwareBazaar
TLSH 1165E1C2F644CE51E915463A8C328A924B33AC6FDF034606749CBA597BF32D67D25B83
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
MassLogger SMTP exfil server:
mail.privateemail.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-06 08:37:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
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
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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.

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.

Web download

MassLogger

Executable exe 7aefff47da5ec1a633a406297cd1decd1569d9ff0948ce39c80be809129ebf6d

(this sample)

  
Delivery method
Distributed via web download

Comments