MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7f7da45bf54c26cc2fce4e3c3a639209f7701cad6339b69b3980224423d2d7b. 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:	a7f7da45bf54c26cc2fce4e3c3a639209f7701cad6339b69b3980224423d2d7b
SHA3-384 hash:	4b7583026f3212fd8bcae08529d5a330c1f0338600b9d4767f1e92d6b6faf840b0592f42ffedf0796d5c0c259884e34c
SHA1 hash:	527f1989e6254cbc8ee15104c5cec4e1f3d4ec91
MD5 hash:	bd5798945987412b7f3d28f37694b314
humanhash:	mike-finch-don-ceiling
File name:	emotet_e2_a7f7da45bf54c26cc2fce4e3c3a639209f7701cad6339b69b3980224423d2d7b_2020-08-19__131847._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	261'486 bytes
First seen:	2020-08-19 13:20:07 UTC
Last seen:	2020-08-19 13:25:32 UTC
File type:	docx
MIME type:	application/msword
ssdeep	3072:Ij6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkcYzRgjpSh5Uwee:IHgtEWPsL/aTyT9GkcYClS7Uwee
TLSH	79446DD951E93E5EDD0732307AB59BBB50908E4D2A11857A723E375D3FFF039A26200A
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

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/438164

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

PowerShell case anomaly found

Powershell drops PE file

Very long command line found

Writes to foreign memory regions

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a7f7da45bf54c26cc2fce4e3c3a639209f7701cad6339b69b3980224423d2d7b/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-19 13:22:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=u735urn7ktbgzqx44tr4hjrzecpxoaok2yzzw2nttabciqr5fv5q._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-jvxa9mtcxj/

Behaviour

Suspicious Office macro

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Eldorado

Score:

0.63

Link:

https://yomi.yoroi.company/submissions/a7f7da45bf54c26cc2fce4e3c3a639209f7701cad6339b69b3980224423d2d7b

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