MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 287b1c2cdc4b225da919062620fa3a273db58864387add5e91f642613c416075. 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 3 File information Comments

SHA256 hash:	287b1c2cdc4b225da919062620fa3a273db58864387add5e91f642613c416075
SHA3-384 hash:	dddc64cfb2638336542cf32cef145684fec672a7fb004a3d5c9187830a81e5ea919f331ec0d3828bd6b3b8c3bf517b42
SHA1 hash:	bc35dc2975e5c3b6c6592ed81c2d0802c93b1b52
MD5 hash:	c0997150ecd4890ec3111e989c983669
humanhash:	minnesota-grey-orange-connecticut
File name:	emotet_e3_287b1c2cdc4b225da919062620fa3a273db58864387add5e91f642613c416075_2020-08-14__114717._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	234'030 bytes
First seen:	2020-08-14 11:47:47 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:1j6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkKl3O+zzqGw5bR9p:1HgtEWPsL/aTyT9GkKle+zzlw5bRP
TLSH	26346C07668B2F7BD91261300C47FF696578ACC67F068107314E3FADEF7A7250A4A899
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):

SecuriteInfo.com.VBS.Obfus-97.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 a custom TCP request

Sending an HTTP GET request

Creating a file in the %temp% directory

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/429664

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

PowerShell case anomaly found

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

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/287b1c2cdc4b225da919062620fa3a273db58864387add5e91f642613c416075/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-14 11:49:04 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fb5rylg4jmrf3kizaytcb6r2e463lcdehb5n2xur6zbgcpcbmb2q._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200814-l1nmxm8zmj/

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/287b1c2cdc4b225da919062620fa3a273db58864387add5e91f642613c416075

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_gen_2 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