MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f839a86131afe705c426058f4a696abfb173755e42eb809bfa930a3542741fb. 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 1 File information Comments

SHA256 hash:	8f839a86131afe705c426058f4a696abfb173755e42eb809bfa930a3542741fb
SHA3-384 hash:	cd1f15193ee917529c7c9d3c714d1af81c4b391f62fee3b5d8805e730c5c4a7c4b74f17245816a2e0ffbf53ccfc27c52
SHA1 hash:	6f8e9c621f359773ca2252371af644eda9995b3e
MD5 hash:	8caf2bf0d94346fcf4bb83f673ab545c
humanhash:	nebraska-floor-william-four
File name:	emotet_e3_8f839a86131afe705c426058f4a696abfb173755e42eb809bfa930a3542741fb_2020-08-17__233849._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	240'976 bytes
First seen:	2020-08-17 23:39:11 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:xj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkDWUX5wsPzR:xHgtEWPsL/aTyT9GkDWUJwsl
TLSH	04345CA2B18E7E26D9E31DF01F8ADBF8A598BC413E4842DBB40D7BBD2F790D41945424
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.EmotetWindowSong.20200204.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

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/435319

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

Found malware configuration

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

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8f839a86131afe705c426058f4a696abfb173755e42eb809bfa930a3542741fb/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-17 23:41:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=r6bzvbqtdl7haxccmbmpjjuwvp5ron2v4qxlqcn7veykgvbhih5q._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200817-gmqt9zfqxx/

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/8f839a86131afe705c426058f4a696abfb173755e42eb809bfa930a3542741fb

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.