MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa30ea6f5603484a2f71a0fa1429cef880ee018c6b3557ad09708dca055cbb22. 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: aa30ea6f5603484a2f71a0fa1429cef880ee018c6b3557ad09708dca055cbb22
SHA3-384 hash: cd62a0fc9f9cdd941bd52c3ee55ff8012690b689e399ca048d85ba84fef078dd99bd09fd94f1529d1a9a6c831bd205d5
SHA1 hash: 9ec93685793ec65e15fd25f25fae01aaa0510d1a
MD5 hash: 7f0c5f12fb35a4a5b57fc5d9653e9a36
humanhash: fix-avocado-five-zebra
File name:1LoggerBin.exe
Download: download sample
Signature MassLogger
File size:763'904 bytes
First seen:2020-08-05 09:11:45 UTC
Last seen:2020-08-05 11:55:49 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 12288:ZUWTCYmt+TvwQq0HGG70QLWeNAt//5t5uXu35vOtUATHtD4Ai4HaO:ZUWTCzl4dFaeNQ//5PPhGNV4AiaaO
Threatray 738 similar samples on MalwareBazaar
TLSH B1F49D36B65EDD61C2992732C0969C1403B89A8353E7E34F358423D356037EEDA8BE97
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: vcsolutions.net
Sending IP: 193.142.59.163
From: rainton@vcsolutions.net
Subject: Request For Quotation
Attachment: Purchase Order.xlsm

MassLogger payload URL:
http://bestatmedia.com/1LoggerBin.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a window
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Moving a file to the %temp% directory
Deleting a recently created file
Running batch commands
Launching a process
Setting a global event handler for the keyboard
Deleting of the original file
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Binary contains a suspicious time stamp
Deletes itself after installation
Found malware configuration
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.BMassKeyLogger
Status:
Malicious
First seen:
2020-08-05 08:16:04 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 use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Reads user/profile data of web browsers
Deletes itself
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 aa30ea6f5603484a2f71a0fa1429cef880ee018c6b3557ad09708dca055cbb22

(this sample)

Comments