MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2e3be816965fa1326deb7c5536efebe3b514b9fd2aab1b9f67e48fb0c1f81cc. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: b2e3be816965fa1326deb7c5536efebe3b514b9fd2aab1b9f67e48fb0c1f81cc
SHA3-384 hash: 7f2c896ccb2e4123306e21b15cea3a9bbdd670cf3bd88ed6045b519ca4a5905543949c6bf10a730bc21dad99f2ff65db
SHA1 hash: 1c125aed6626c4c2df6a7cc39deaa01779c7f81f
MD5 hash: edd61aefb66b5d2a83da809333b27718
humanhash: minnesota-winter-solar-ink
File name:InstallUtil
Download: download sample
Signature MassLogger
File size:524'288 bytes
First seen:2020-09-30 12:04:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:EoB0oSGobbFtkP2szfWiHpbhM9cPQZNGMOcg1He7sAsAntfpBcIjE6jPNx7DWm:2dbbCNj/P+NochNntX/p1W
Threatray 250 similar samples on MalwareBazaar
TLSH E6B48B44FAB58A31C66D83B6D1C22D36C3B9C953D0E9EB5939AC56D1190338ACE437CB
Reporter JAMESWT_WT
Tags:MassLogger v3.0.7563.31381

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a window
Adding an access-denied ACE
Reading critical registry keys
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 references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.BMassKeyLogger
Status:
Malicious
First seen:
2020-09-29 09:00:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
b2e3be816965fa1326deb7c5536efebe3b514b9fd2aab1b9f67e48fb0c1f81cc
MD5 hash:
edd61aefb66b5d2a83da809333b27718
SHA1 hash:
1c125aed6626c4c2df6a7cc39deaa01779c7f81f
Detections:
win_masslogger_w0
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:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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.

Comments