MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28b77aebdcbdcae80bd92aa279f603c7089575bcd0dcb2eba95d6a0bd1e0aab3. 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: 5

Intelligence 5 IOCs YARA 4 File information Comments

SHA256 hash:	28b77aebdcbdcae80bd92aa279f603c7089575bcd0dcb2eba95d6a0bd1e0aab3
SHA3-384 hash:	5c7bce0f2ef411acb3772aa75f149979e92d6d13cb3870bb63db822bd8d9bd307a7c1b2f8680d51a3c39fbcaecf8bde2
SHA1 hash:	80ce46700d161dab2f90c309bc1cca360859f114
MD5 hash:	4407ddc1c588714a53c138e2454d2b5d
humanhash:	fourteen-bakerloo-alabama-rugby
File name:	emotet_e1_28b77aebdcbdcae80bd92aa279f603c7089575bcd0dcb2eba95d6a0bd1e0aab3_2020-08-21__003303._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	190'594 bytes
First seen:	2020-08-21 00:33:46 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:O44PrXcuQuvpzm4bkiaMQgAlSm/O59+8w8G:CDRv1m4bnQgISEOf+8w8G
TLSH	CC14A7F128E3DE6AE103C63B769ADDBC306B4C0010515627BA5E33AF5F3A078594F669
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-102.UNOFFICIAL

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL

TwinWave.EvilDoc.EmotetCROCryLittleSister.20200720.UNOFFICIAL

Sanesecurity.Malware.24631.XlsHeur.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

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/442941

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

Changes security center settings (notifications, updates, antivirus, firewall)

Creates processes via WMI

Document contains an embedded VBA with base64 encoded strings

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 domain / URL

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

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/28b77aebdcbdcae80bd92aa279f603c7089575bcd0dcb2eba95d6a0bd1e0aab3/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-21 00:35:05 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fc3xv264xxfoqc6zfkrht5qdy4ejk5n42dolf25jlvvaxupavkzq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200821-5a8fsyzf6a/

Behaviour

Suspicious Office macro

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/28b77aebdcbdcae80bd92aa279f603c7089575bcd0dcb2eba95d6a0bd1e0aab3

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