MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81b8b63585232453260b49527a238b5392a692c501d1c3342223d451b2894187. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 81b8b63585232453260b49527a238b5392a692c501d1c3342223d451b2894187
SHA3-384 hash: 671f449fbfbfb6bc41731ecfac9b724d00e16d7e5435375e9da9dd88863983344ae89319cd55d9ab3de67e283a78d4de
SHA1 hash: 1348d479379b12c9475fb82444bf13313075240c
MD5 hash: 43d48359d78b7c3356626247a4a3fdf6
humanhash: johnny-quiet-fillet-lima
File name:81b8b63585232453260b49527a238b5392a692c501d1c3342223d451b2894187
Download: download sample
Signature MassLogger
File size:989'982 bytes
First seen:2020-11-16 10:49:11 UTC
Last seen:2020-11-16 12:44:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:5XTDSUYQWfG3o1qjgIcNm1ugf9/AHV4f+/G8k9p:5DNYVeaegHmwgf9YHyf+/Gf
Threatray 599 similar samples on MalwareBazaar
TLSH CC25BD6FAD621BCCC8CD0D36C0C510F60659BEE2246091EE1DECF17544FA2F9875AA9B
Reporter JAMESWT_WT
Tags:Foxstyle LLC MassLogger signed

Code Signing Certificate

Organisation:Foxstyle LLC
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Aug 17 00:00:00 2020 GMT
Valid to:Aug 17 23:59:59 2021 GMT
Serial number: 32FBF8CFA43DCA3F85EFABE96DFEFA49
Intelligence: 7 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 30EB03CEA734157E43F44A048D144CF8DB38FBE310F986C9F46373F83801F3B5
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
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 AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Perseus
Status:
Malicious
First seen:
2020-08-26 08:36:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
81b8b63585232453260b49527a238b5392a692c501d1c3342223d451b2894187
MD5 hash:
43d48359d78b7c3356626247a4a3fdf6
SHA1 hash:
1348d479379b12c9475fb82444bf13313075240c
SH256 hash:
c66669ca620177de349af181c999e91f479c42763a682c4f8a0057573fdfad0d
MD5 hash:
17a12c69171a9de1780c2ff161204cc2
SHA1 hash:
5e93cfdb7332fd7fec69e694e0cfa7eb82b54517
SH256 hash:
44ab339365f3ce7cb0467de7ba5e9392e6e4695e729bf7f103a21c5953071ea7
MD5 hash:
42ea13b604a62c0704a1a6d1c42a4c90
SHA1 hash:
6f8ee577f25a410f010a84f2d6fd7223a98524c1
SH256 hash:
9577e7bd44a4e6234c49321f74acc763781a8b5b84f0f087dda341a6dd4be49d
MD5 hash:
87244046c6a667292042bd9953d31483
SHA1 hash:
8cb5bc3e3157d0a5e6b0b6f9c983125fea211c58
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Stealer_word_in_memory
Author:James_inthe_box
Description:The actual word stealer in memory

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments