MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857d00b0c372b68fe1559354d37531e903691816eea17630842f4e7449b49ceb. 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:	857d00b0c372b68fe1559354d37531e903691816eea17630842f4e7449b49ceb
SHA3-384 hash:	fcb3484600958c317159df41d7714e9897cc2e1e53e611ef9f499fd5145f8211f0b06bc9260c274979d3861ca40559bd
SHA1 hash:	e20a15563e8473a5e51873536aa9065880f31159
MD5 hash:	810939799dc02f6f980a616f2e738b48
humanhash:	saturn-august-july-bulldog
File name:	emotet_e2_857d00b0c372b68fe1559354d37531e903691816eea17630842f4e7449b49ceb_2020-08-19__171804._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	205'226 bytes
First seen:	2020-08-19 17:19:28 UTC
Last seen:	2020-08-19 17:19:57 UTC
File type:	docx
MIME type:	application/msword
ssdeep	3072:54PrXcuQuvpzm4bkiaMQgAlS/tOw/Ap4+/jpx7wG/X:ODRv1m4bnQgIS/tOwopB/jpx7wGf
TLSH	9214E9E820E97C9EC90732307AFA8BBF90805E8E1162C979673933593FFB175A275115
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

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/439083

Signature

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

System process connects to network (likely due to code injection or exploit)

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/857d00b0c372b68fe1559354d37531e903691816eea17630842f4e7449b49ceb/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-19 17:21:05 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qv6qbmgdok3i7ykvsnkng5jr5ebwsgaw52qxmmeef5hhisnuttvq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-4v6a9j674a/

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/857d00b0c372b68fe1559354d37531e903691816eea17630842f4e7449b49ceb

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_20200820 Create hunting rule
Author:	abuse.ch
Description:	Detects Heodo DOC

Rule name:	ach_Heodo_doc_gen_3 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