MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8a9dd184098a13f9f4795b871094218d8037bc64a5d39479bc9311070163876. 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:	c8a9dd184098a13f9f4795b871094218d8037bc64a5d39479bc9311070163876
SHA3-384 hash:	36eed6df54b30fe63dd5098627fde34693f2e4a8bb41dd9ef4c07eecdd9eb352c610f9789d9357072ae42d9aa4b752be
SHA1 hash:	217ecced9dbde6f4c156f1f7559742c7ab9b4d2e
MD5 hash:	bf9a505c832a9e93703a903e13f4932e
humanhash:	twelve-sweet-avocado-hawaii
File name:	Inv PBF4173 846316247.doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	174'337 bytes
First seen:	2020-08-03 07:20:14 UTC
Last seen:	2020-08-03 07:43:03 UTC
File type:	doc
MIME type:	application/msword
ssdeep	3072:y4PrXcuQuvpzm4bkiaMQgAlSImFSgnvCsKOw:zDRv1m4bnQgISImkgnvCsKOw
TLSH	10043A2030B3AC17E64226711CCACD5822EA6F131947D32B374CBB6E5F36A706DB961D
Reporter	JAMESWT_WT
Tags:	Emotet Heodo

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

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

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

Possible injection to a system process

Sending a TCP request to an infection source

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/407457

Signature

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

Creates processes via WMI

Document contains an embedded VBA with hexadecimal encoded strings

Document contains an embedded VBA with many randomly named variables

Document contains VBA stomped code (only p-code) potentially bypassing AV detection

Drops executables to the windows directory (C:\Windows) and starts them

Drops PE files to the user root directory

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

Yara detected Emotet Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

emotet

Link:

https://mwdb.cert.pl/sample/c8a9dd184098a13f9f4795b871094218d8037bc64a5d39479bc9311070163876/

Threat name:

Script-Macro.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-01 10:39:54 UTC

File Type:

Document

Extracted files:

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zcu52gcatcqt7h2hsw4hcckcddmag66gjjotsr43zeyra4awhb3a._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200803-39jv5s6txs/

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/c8a9dd184098a13f9f4795b871094218d8037bc64a5d39479bc9311070163876

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 Create hunting rule
Author:	abuse.ch
Description:	Detects Heodo 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