MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a689219d90ea18f5465111bdededd47656ff55210813139e246b44d3099a30f. 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 3 File information Comments

SHA256 hash: 3a689219d90ea18f5465111bdededd47656ff55210813139e246b44d3099a30f
SHA3-384 hash: d70fb856f0d1a7abdf5e1f72d7d61f12bc395077ee898fe6a01360bdf3e84cf42c15e31c91239d9dfc51578fac3a9778
SHA1 hash: e71cefa6f9d1444997acf36dbd9ffd07f5b2b01e
MD5 hash: de659d02b5fa1bab6ca5fad5118fa332
humanhash: cardinal-october-don-hamper
File name:Halkbank,doc.exe
Download: download sample
Signature MassLogger
File size:1'401'856 bytes
First seen:2020-10-30 05:39:07 UTC
Last seen:2020-10-30 07:54:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:DshUHo7pQV7rfwKSqNXHLC9tKPdVk0JPW5M+XZFGjX6+z0L:QhXFQ9cqt29tKPbP0FGu
Threatray 425 similar samples on MalwareBazaar
TLSH 5755CFE493829607D95F123F991A3D11C353AB65C9FA978A43DCB0390BFF3095A90B4B
Reporter GovCERT_CH
Tags:MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Reading critical registry keys
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-30 00:50:22 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
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 3a689219d90ea18f5465111bdededd47656ff55210813139e246b44d3099a30f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments