MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91e99f29b48c23c1b75790679c34323d6b6be790bb261994b0745926fdb717dd. 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:	91e99f29b48c23c1b75790679c34323d6b6be790bb261994b0745926fdb717dd
SHA3-384 hash:	1970c2311a47b9fbc9c5730a2f358cba796085c2546533f1b61132f7eb6ec175697226612f80b4fe71808cddf1e18d34
SHA1 hash:	c3647ca74f7e68096fa2717b06c600e47946e624
MD5 hash:	af1b05e5c7d266a3d3569729c6b12192
humanhash:	berlin-pizza-island-eight
File name:	emotet_e1_91e99f29b48c23c1b75790679c34323d6b6be790bb261994b0745926fdb717dd_2020-08-17__121203._doc
Download:	download sample
Signature	Heodo Create hunting rule
File size:	234'725 bytes
First seen:	2020-08-17 12:12:45 UTC
Last seen:	Never
File type:	docx
MIME type:	application/msword
ssdeep	3072:rj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkqXxQr3Hwsv1fC:rHgtEWPsL/aTyT9GkqBY3Hwss
TLSH	6A346DA7B18E7F26D9A31DF00A8ADBF8A598BC413E0842CBB44D7B7D2F7D0D41945468
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):

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 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

Possible injection to a system process

Connection attempt to an infection source

Enabling autorun for a service

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/433345

Signature

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

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/91e99f29b48c23c1b75790679c34323d6b6be790bb261994b0745926fdb717dd/

Threat name:

Document-Word.Trojan.GenScript

Status:

Malicious

First seen:

2020-08-17 12:14:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=shuz6knurqr4dn2xsbtzynbshvvwxz4qxmtbtffqormsn7nxc7oq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/200817-4chpfe8nyn/

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/91e99f29b48c23c1b75790679c34323d6b6be790bb261994b0745926fdb717dd

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_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