MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21d28b0dd82bf12cdcc4a90027d2fd36ffc021ed180a4059c96124349743a1e3. 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 4 File information Comments

SHA256 hash:	21d28b0dd82bf12cdcc4a90027d2fd36ffc021ed180a4059c96124349743a1e3
SHA3-384 hash:	c21491c0344f2fc7127ea0656594f18ff0311d8c6f5eba557d6a09e6943074a8c3c49d98c8bc5beb199680f5afc9d6ab
SHA1 hash:	413890c8b2b4e31afc499365b841fe5c93d4dd1a
MD5 hash:	fc7e615106f6fb9020b8284c5ee9b7fe
humanhash:	hawaii-mobile-wisconsin-cup
File name:	emotet_e3_21d28b0dd82bf12cdcc4a90027d2fd36ffc021ed180a4059c96124349743a1e3_2020-08-25__061823._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	237'362 bytes
First seen:	2020-08-25 06:18:50 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:i6rj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkljbn2Jga5blw2xO:rHgtEWPsL/aTyT9GkZn2JgcRw2U
TLSH	B1342B6A57856E36FD8393F24545AB6838BC9D2A3F88422FBC4F76EE2F39174024105D
Reporter	Cryptolaemus1
Tags:	doc Emotet epoch3 Heodo

Cryptolaemus1

Emotet epoch3 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-102.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 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/448320

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

Multi AV Scanner detection for submitted file

PowerShell case anomaly found

Powershell drops PE file

Very long command line found

Yara detected Emotet Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

emotet

Link:

https://mwdb.cert.pl/sample/21d28b0dd82bf12cdcc4a90027d2fd36ffc021ed180a4059c96124349743a1e3/

Threat name:

Document-Word.Trojan.GenScript

Status:

Malicious

First seen:

2020-08-25 06:01:49 UTC

AV detection:

20 of 48 (41.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ehjiwdoyfpyszxgeveacpux5g374aipndafeawojmesdjf2duhrq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200825-srgvvs3zy2/

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/21d28b0dd82bf12cdcc4a90027d2fd36ffc021ed180a4059c96124349743a1e3

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