MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fce44d4ea50194f48988cd604e3bd7fa580f9d55ebc1c8c1da791c0737133a9f. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: fce44d4ea50194f48988cd604e3bd7fa580f9d55ebc1c8c1da791c0737133a9f
SHA3-384 hash: 762785793fd61eeff7382ecbf6a9aeb17801c520c534077e2670a1f87e1589a569454302ad55f60356f0c10bc5a8540c
SHA1 hash: 70b02bad0015f9f1ef40414577dd2e9413c5d336
MD5 hash: b5daea22056dbf2a79b2249c70c5e441
humanhash: three-white-romeo-echo
File name:usd37400.exe
Download: download sample
Signature MassLogger
File size:1'032'704 bytes
First seen:2020-10-14 14:11:14 UTC
Last seen:2020-10-14 19:02:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:eAh6SdSTpaNdO5WllzZ+hOjHIHo2/jLsQtrS6e1xApyltS7HGRCGV:esdSFaN3rwhOTIIwsKIcpmSBC
Threatray 321 similar samples on MalwareBazaar
TLSH 2825E19C3661B1DFC85BCC768A981C60BA217477970BD243A05326ACDA0EADBDF151F3
Reporter James_inthe_box
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
3
# of downloads :
89
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
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 references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
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.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-14 10:02:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
spyware stealer family:masslogger
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
fce44d4ea50194f48988cd604e3bd7fa580f9d55ebc1c8c1da791c0737133a9f
MD5 hash:
b5daea22056dbf2a79b2249c70c5e441
SHA1 hash:
70b02bad0015f9f1ef40414577dd2e9413c5d336
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
5572f0228da738933d52f70b5ed4e74846954dcbeb624cce7deda980a8b1ba69
MD5 hash:
c96827b4b9cd1b727508a520ba2aab96
SHA1 hash:
b318e70d859a21131f6b15da8af390817a615c57
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: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