MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87a90ac40158e53a2309863a8bebfe1218f13262f87b93db76e5fc79ed1c388e. 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:	87a90ac40158e53a2309863a8bebfe1218f13262f87b93db76e5fc79ed1c388e
SHA3-384 hash:	5b00d92c4055ea5c7c0ef5342d042669d3e92a68c18b7d46cff0f7d3a1606c278d7d1cedbbabb33a698e8ea63310041e
SHA1 hash:	bc4dd3f6a05c1e23c91994877cc52465704135a6
MD5 hash:	74b5a33c2fc5b91476850319658e94f3
humanhash:	iowa-bravo-king-fruit
File name:	emotet_e1_87a90ac40158e53a2309863a8bebfe1218f13262f87b93db76e5fc79ed1c388e_2020-08-19__123247._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	194'670 bytes
First seen:	2020-08-19 12:33:41 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:34PrXcuQuvpzm4bkiaMQgAlSJdDt5xI/SKZEb/wtrC:oDRv1m4bnQgISJDnKZS/wtrC
TLSH	E4142BA820E57C9EC90732316EFA8FBF60801E4A1562897A9739336D3EFB135F275115
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/437950

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

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Very long command line found

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/87a90ac40158e53a2309863a8bebfe1218f13262f87b93db76e5fc79ed1c388e/

Threat name:

Document-Word.Trojan.GenScript

Status:

Malicious

First seen:

2020-08-19 12:35:05 UTC

AV detection:

13 of 48 (27.08%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=q6uqvrabldstuiyjqy5ix276cimpcmtc7b5zhw3w4x6ht3i4hcha._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-wna6nh1986/

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/87a90ac40158e53a2309863a8bebfe1218f13262f87b93db76e5fc79ed1c388e

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