MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c837fd8744bd36a0ac0a3a3f11e102063d60651777ee888c2f3f8e83c54a6483. 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 1 File information Comments

SHA256 hash:	c837fd8744bd36a0ac0a3a3f11e102063d60651777ee888c2f3f8e83c54a6483
SHA3-384 hash:	a089137e35595099c8a2e402120b0be5d56094be9dd0fa6a107cd50ba635c989bcca4b6764ebbdac573a32a20f4b1b20
SHA1 hash:	9d70890fb7d394da1375c589f28e382019e95e85
MD5 hash:	c8377914245988de1252d3126c62c880
humanhash:	vegan-grey-potato-lake
File name:	emotet_e2_c837fd8744bd36a0ac0a3a3f11e102063d60651777ee888c2f3f8e83c54a6483_2020-08-14__221712._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	239'504 bytes
First seen:	2020-08-14 22:18:50 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:7j6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGk27ClUR1uwQA+R1:7HgtEWPsL/aTyT9Gk27QURMwQNR1
TLSH	0034394665CB2E7BD916A0300C47FF696568ACC2BF078007314E3FADEF7A7250A59C99
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.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 a custom TCP 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/431144

Signature

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

Creates processes via WMI

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

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

Yara detected Emotet Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c837fd8744bd36a0ac0a3a3f11e102063d60651777ee888c2f3f8e83c54a6483/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-14 22:19:32 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=za373b2exu3kblakhi7rdyicay6wazixo7xirdbph6hihrkkmsbq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200814-ghhtdxjea2/

Behaviour

Suspicious Office macro

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

Threat name:

Emotet

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/c837fd8744bd36a0ac0a3a3f11e102063d60651777ee888c2f3f8e83c54a6483

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.