MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f31fa30ff617de311b5d96af69598b8ff711c495f94050572f7526409fb52748. 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 2 File information Comments

SHA256 hash:	f31fa30ff617de311b5d96af69598b8ff711c495f94050572f7526409fb52748
SHA3-384 hash:	d53b6ff62540ad0fe12ffbe59d256e6b00a8842119f81a9a2495077a665be510be24b2b9e1ac6ec15a44b54b3102667e
SHA1 hash:	7dea1620ab9c8e7c22e9244a41f16ef06ed4038d
MD5 hash:	dd3f7639b7d9ccdc47d1f0e6abcd5061
humanhash:	foxtrot-football-arkansas-lima
File name:	emotet_e3_f31fa30ff617de311b5d96af69598b8ff711c495f94050572f7526409fb52748_2020-08-19__184520._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	196'707 bytes
First seen:	2020-08-19 18:45:38 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:o4PrXcuQuvpzm4bkiaMQgAlSwUmFazEnmhaGwJu:FDRv1m4bnQgISw7vmMGwJu
TLSH	2D141AA820E57C9EC90B32317EFA8BBF50805E8A1161897A773D33693FFB075A275115
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

Enabling autorun for a service

Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)

Launching a process by exploiting the app vulnerability

Result

Threat name:

Emotet

Detection:

malicious

Classification:

bank.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/439277

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

Very long command line found

Yara detected Emotet

Yara detected Emotet Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f31fa30ff617de311b5d96af69598b8ff711c495f94050572f7526409fb52748/

Threat name:

Document-Word.Trojan.Dynamer

Status:

Malicious

First seen:

2020-08-19 18:45:21 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6mp2gd7wc7pdcg25s2xwswmlr73rdrev7fafavzpoutebh5ve5ea._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-gk2jw5srae/

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/f31fa30ff617de311b5d96af69598b8ff711c495f94050572f7526409fb52748

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.