MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b91a7041bda493b586b8da44b3722617493bbc26064fe5a9d03fd11602a9ad1d. 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:	b91a7041bda493b586b8da44b3722617493bbc26064fe5a9d03fd11602a9ad1d
SHA3-384 hash:	35d1d0d8a2b7aea3dea4ce11f7adf33f80a01726c0a3df97cb97753e0de3d59b3a630761aedf5d676f7a445ab235cf98
SHA1 hash:	1755e2ccd4c3d7c07ff5d62251c3c39149615d60
MD5 hash:	a94e31e744b71c3ba3b344c41ba8cff9
humanhash:	pasta-friend-victor-diet
File name:	emotet_e2_b91a7041bda493b586b8da44b3722617493bbc26064fe5a9d03fd11602a9ad1d_2020-08-19__192226._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	205'361 bytes
First seen:	2020-08-19 19:23:50 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:54PrXcuQuvpzm4bkiaMQgAlS7tOw/Ap4+/jptrwG/t:ODRv1m4bnQgIS7tOwopB/jptrwGF
TLSH	2314E8E820E97C9EC90732307AFA8BBF90805E8E11628979673D33593FFB175A275115
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):

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

Sending a custom TCP 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

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/439365

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/b91a7041bda493b586b8da44b3722617493bbc26064fe5a9d03fd11602a9ad1d/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-19 19:24:28 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xenhaqn5usj3lbvy3jclg4rgc5etxpbgazh6lkoqh7irmavjvuoq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-zzjht1kpx6/

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/b91a7041bda493b586b8da44b3722617493bbc26064fe5a9d03fd11602a9ad1d

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.