MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d070c37035d5d59c99ec7f7214282148ec5762de11bbbb4eb8784ed59f3e87e. 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:	4d070c37035d5d59c99ec7f7214282148ec5762de11bbbb4eb8784ed59f3e87e
SHA3-384 hash:	952c99b09c936acbf21b132f59e7026127f0713d70dc75918bfcf7fbc2fa6036acf96c737e2786d3d212c09e7c407600
SHA1 hash:	64f1e053aec4f4aa854c9df0bebf8a521e2d235a
MD5 hash:	9c56d69509cf039dcd3620846d3c44d3
humanhash:	comet-montana-uncle-echo
File name:	SWIFT-COPYX30000.exe
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	2'571'120 bytes
First seen:	2020-10-27 13:00:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	12288:T6tjNEyGw/JTL2ajAfYlkqhToM6uZKOXWEa7wWlVuGyNugy5RIcfcdsF+NmugZP2:Nk
TLSH	62C58B3D6E8825A39177E276A0FA0687FDE9658673780C4B01C36B497D4AF023E9734D
Reporter	abuse_ch
Tags:	exe MassLogger

abuse_ch

Malspam distributing MassLogger:

HELO: smtp.brenntag.nl
Sending IP: 37.74.78.5
From: Theo Rutten <Theo.Rutten@brenntag.nl>
Subject: Swift copy- Payment advice
Attachment: SWIFT-COPYX30000.lzh (contains "SWIFT-COPYX30000.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/79929/

Detection(s):

PUA.Win.Trojan.Generic-6629274-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a file in the %AppData% subdirectories

DNS request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Creating a window

Launching a process

Reading critical registry keys

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Setting a global event handler for the keyboard

Result

Threat name:

MassLogger RAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/513642

Signature

Adds a directory exclusion to Windows Defender

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for dropped file

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:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4d070c37035d5d59c99ec7f7214282148ec5762de11bbbb4eb8784ed59f3e87e/

Threat name:

ByteCode-MSIL.Spyware.AveMaria

Status:

Malicious

First seen:

2020-10-27 09:16:54 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=judqynydlvovtsm6y73scquccshmk5rn4en3xnhlq6co2wpt5b7a._file

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger persistence spyware stealer

Link:

https://tria.ge/reports/201027-agkrd7zy6a/

Behaviour

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Adds Run key to start application

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.

Threat name:

MassLogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4d070c37035d5d59c99ec7f7214282148ec5762de11bbbb4eb8784ed59f3e87e

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.