MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c98753feb43790bf0b2979ae0d73c4760638ab1d9c5d6b6336ce2241ba31aa4. 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: 7

Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash:	1c98753feb43790bf0b2979ae0d73c4760638ab1d9c5d6b6336ce2241ba31aa4
SHA3-384 hash:	e07c370984f745821b064d32091710a4058a2c8d6acdbe0e5d42da7172431aacc31f498ee6e9d568a19e3d5c7c69e92c
SHA1 hash:	344fa372ff4dff49165ecb3aaaa83b66086a9eb0
MD5 hash:	dbf686dab3a8173681f192a87866daaf
humanhash:	berlin-alaska-fillet-november
File name:	emotet_e1_1c98753feb43790bf0b2979ae0d73c4760638ab1d9c5d6b6336ce2241ba31aa4_2020-08-19__065126._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	177'459 bytes
First seen:	2020-08-19 06:52:26 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:UL4PrXcuQuvpzm4bkiaMQgAlSLUi3MjRvws2X:JDRv1m4bnQgISLUccRvws2X
TLSH	B2044BC024DE6ED6CD1E203254FB8EEE93845E1818E674153318377CBFB16B2F669A15
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-100.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

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/436514

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

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

Query firmware table information (likely to detect VMs)

Very long command line found

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

emotet

Link:

https://mwdb.cert.pl/sample/1c98753feb43790bf0b2979ae0d73c4760638ab1d9c5d6b6336ce2241ba31aa4/

Threat name:

Document-Word.Trojan.Emotet

Status:

Malicious

First seen:

2020-08-19 06:20:54 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dsmhkp7lin4qx4fss6nobvz4i5qghcvr3hc5nnrtntrcig5ddksa._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200819-tbzw5hjxjn/

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/1c98753feb43790bf0b2979ae0d73c4760638ab1d9c5d6b6336ce2241ba31aa4

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