MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b643ea8725568fb6313b407f27ebc46abd0a71556618be050415175264316c7a. 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:	b643ea8725568fb6313b407f27ebc46abd0a71556618be050415175264316c7a
SHA3-384 hash:	a46deabdab22c5d67a2736787451afe358dfbd9685976293c90fd037165c79916ff0c8a318927bd28d295b4794231b01
SHA1 hash:	7f28017d2e4585fe1ec3d83397982d9f50cc914c
MD5 hash:	0072178896401b7057014d75fcbeb68b
humanhash:	spring-grey-green-blossom
File name:	emotet_e1_b643ea8725568fb6313b407f27ebc46abd0a71556618be050415175264316c7a_2020-08-19__192007._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	201'072 bytes
First seen:	2020-08-19 19:21:09 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:I4PrXcuQuvpzm4bkiaMQgAlSCxub9oQwhGnh:lDRv1m4bnQgISCxuuQwhoh
TLSH	3514F9A820F97C9EC90732317AFA8BBF50801E4A11628979B73D335A3FFB175A275115
Reporter	Cryptolaemus1
Tags:	doc Emotet epoch1 Heodo

Cryptolaemus1

Emotet epoch1 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

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

Possible injection to a system process

Enabling autorun for a service

Launching a process by exploiting the app vulnerability

Sending an HTTP GET request to an infection source

Result

Threat name:

Emotet

Detection:

malicious

Classification:

bank.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/439356

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/b643ea8725568fb6313b407f27ebc46abd0a71556618be050415175264316c7a/

Threat name:

Document-Word.Trojan.GenScript

Status:

Malicious

First seen:

2020-08-19 19:17:40 UTC

AV detection:

30 of 48 (62.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wzb6vbzfk2h3mmj3ib7sp26enk6qu4kvmyml4bieculvezbrnr5a._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-bwmldjy9sj/

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/b643ea8725568fb6313b407f27ebc46abd0a71556618be050415175264316c7a

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.