MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b8a8e1cc4d0b394cace3de6a6b6586b1790284beeeae5cb9560e16ea33e67b. 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: 7

Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash:	77b8a8e1cc4d0b394cace3de6a6b6586b1790284beeeae5cb9560e16ea33e67b
SHA3-384 hash:	8b935717a462f11c9fd592b21a277a26b1fadc59c90dfbbd040d860203c933b013d6d89eba2998d7d5f49204b954ff5d
SHA1 hash:	37df98d55c8f70d3be3fd5613c555da5a84e684f
MD5 hash:	70a6cd2f05d337d4439db0a041bd5eb8
humanhash:	double-enemy-vermont-princess
File name:	Datendatei-454-98853.doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	173'906 bytes
First seen:	2020-08-10 09:31:39 UTC
Last seen:	Never
File type:	doc
MIME type:	application/msword
ssdeep	3072:x4PrXcuQuvpzm4bkiaMQgAlS5h1LkwZERRn:GDRv1m4bnQgIS5h1LkwZERRn
TLSH	7B043B9830EAAE12E9422D3105ABCE74B8A0BF851974C567355CFFAE7F333687463116
Reporter	FORMALITYDE
Tags:	Emotet Heodo

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

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

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/416664

Signature

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

Drops PE files to the user root directory

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:

emotet

Link:

https://mwdb.cert.pl/sample/77b8a8e1cc4d0b394cace3de6a6b6586b1790284beeeae5cb9560e16ea33e67b/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-10 09:33:07 UTC

AV detection:

20 of 31 (64.52%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=o64kryomjuftstfm4ppgu23fq2yxsauex3xk4xfzkyhbn2rt4z5q._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200810-8rqmsemsqx/

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/77b8a8e1cc4d0b394cace3de6a6b6586b1790284beeeae5cb9560e16ea33e67b

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

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