MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfd6c3bbd2b6796b634a07c27b257b30fd1d8380032ab835bc064dd384fa55a. 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

Emotet (aka Heodo)

Vendor detections: 6

Intelligence 6 IOCs YARA 4 File information Comments

SHA256 hash:	1bfd6c3bbd2b6796b634a07c27b257b30fd1d8380032ab835bc064dd384fa55a
SHA3-384 hash:	3345a27d6629aac4884be36fcfd5a24d34e02c97893b9fd5269af68383ef0d21c4e80cf80d30863b28da28a1f0a980eb
SHA1 hash:	b81743f975061254761c45fcbb702bd625fdf56f
MD5 hash:	dc0789544f246dcd8178c94034367ec4
humanhash:	summer-dakota-ceiling-oxygen
File name:	emotet_e3_1bfd6c3bbd2b6796b634a07c27b257b30fd1d8380032ab835bc064dd384fa55a_2020-08-19__130015._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	205'168 bytes
First seen:	2020-08-19 13:00:27 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:M4PrXcuQuvpzm4bkiaMQgAlSlDxgJU2D9BRnNt7wea0:hDRv1m4bnQgISlNgJU2hht7wK
TLSH	1D14D8E820E97C9EC90732317AFA8BBF90804E9D11628979773D33593FFB129A275115
Reporter	Cryptolaemus1
Tags:	doc Emotet epoch3 Heodo

Cryptolaemus1

Emotet epoch3 doc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

TwinWave.EvilDoc.AutoExecSeparateWays.20200818.UNOFFICIAL

SecuriteInfo.com.VBS.Obfus-101.UNOFFICIAL

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Creating a process with a hidden window

DNS request

Sending an HTTP GET request

Creating a file in the %temp% subdirectories

Creating a process from a recently created file

Moving a file to the Windows subdirectory

Creating a service

Connection attempt

Sending an HTTP POST request

Deleting a recently created file

Possible injection to a system process

Enabling autorun for a service

Launching a process by exploiting the app vulnerability

Sending an HTTP GET request to an infection source

Result

Threat name:

Emotet

Detection:

malicious

Classification:

bank.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/438058

Signature

Changes security center settings (notifications, updates, antivirus, firewall)

Creates processes via WMI

Document contains an embedded VBA with base64 encoded strings

Document contains an embedded VBA with many string operations indicating source code obfuscation

Drops executables to the windows directory (C:\Windows) and starts them

Encrypted powershell cmdline option found

Hides that the sample has been downloaded from the Internet (zone.identifier)

Malicious encrypted Powershell command line found

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

PowerShell case anomaly found

Powershell drops PE file

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Very long command line found

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1bfd6c3bbd2b6796b634a07c27b257b30fd1d8380032ab835bc064dd384fa55a/

Threat name:

Document-Word.Downloader.Heuristic

Status:

Malicious

First seen:

2020-08-19 13:02:06 UTC

AV detection:

8 of 48 (16.67%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dp6wyo55fntznnruub6cpmsxwmh5dwbyaazkxa23ybsn2ocpuvna._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-jf1j6ay7te/

Behaviour

Suspicious Office macro

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Emotet

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/1bfd6c3bbd2b6796b634a07c27b257b30fd1d8380032ab835bc064dd384fa55a

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:	ach_Heodo_doc_20200820 Create hunting rule
Author:	abuse.ch
Description:	Detects Heodo DOC

Rule name:	ach_Heodo_doc_gen_3 Create hunting rule
Author:	abuse.ch
Description:	Detects Heodo (aka Emotet) DOC

Rule name:	Cobalt_functions Create hunting rule
Author:	@j0sm1
Description:	Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT