MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b99e8df8f724bfea2f32a9274cf4aa0f41b3e57a2b1ec753b17514149c670b2. 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:	4b99e8df8f724bfea2f32a9274cf4aa0f41b3e57a2b1ec753b17514149c670b2
SHA3-384 hash:	3559e5486b2833e5a8df30e6967277569f29dedb7498bfa637c3c50ccb531b1c13b6bbbc2ee4d4b4badf2b7ea9d18524
SHA1 hash:	b212527373d08c09ee85e7f8154198a5391c5135
MD5 hash:	2c917b14fc20679bc8735bd4f333695c
humanhash:	pasta-red-aspen-kilo
File name:	emotet_e2_4b99e8df8f724bfea2f32a9274cf4aa0f41b3e57a2b1ec753b17514149c670b2_2020-08-13__141548._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	236'252 bytes
First seen:	2020-08-13 14:17:23 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:cj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkv22dDnwWZRl:cHgtEWPsL/aTyT9GkxdDnwWZRl
TLSH	3F346B5B93CAAB97E78253710A1BEA2410959C783822421F7DCD3EFE7F797680D71206
Reporter	Cryptolaemus1
Tags:	doc Emotet epoch2 Heodo

Cryptolaemus1

Emotet epoch2 doc

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.VBS.Obfus-97.UNOFFICIAL

TwinWave.EvilDoc.EmotetWindowSong.20200204.UNOFFICIAL

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL

TwinWave.EvilDoc.EmotetCROCryLittleSister.20200720.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% directory

Creating a process from a recently created file

Moving a file to the Windows subdirectory

Creating a service

Deleting a recently created file

Enabling autorun for a service

Connection attempt to an infection source

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

Launching a process by exploiting the app vulnerability

Sending an HTTP POST request to an infection source

Result

Threat name:

Emotet

Detection:

malicious

Classification:

bank.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/426560

Signature

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

Creates processes via WMI

Document contains an embedded VBA with many randomly named variables

Document contains VBA stomped code (only p-code) potentially bypassing AV detection

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

PowerShell case anomaly found

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/4b99e8df8f724bfea2f32a9274cf4aa0f41b3e57a2b1ec753b17514149c670b2/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-13 14:19:05 UTC

AV detection:

22 of 28 (78.57%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jom6rx4pojf75ixtfkjhjt2kud2bwpsxuky6y5j3c5iucsogocza._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200813-xrgf1jdvcn/

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/4b99e8df8f724bfea2f32a9274cf4aa0f41b3e57a2b1ec753b17514149c670b2

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_gen_2 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