MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8. 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
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SHA256 hash: 99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8
SHA3-384 hash: 93551595aba4d1f1162987e382b2ae646ae802d91dc9cd0a5143f7ef1f560b4f45054a9b8c827e9a9e32f0ab4fef6e96
SHA1 hash: 05576409bab3eaa31d187c95feec1f30d845d3b1
MD5 hash: 2df136125616515944a3527a5ca9ab37
humanhash: sixteen-winter-mobile-magnesium
File name:emotet_e2_99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8_2020-08-20__092637._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:241'636 bytes
First seen:2020-08-20 09:27:53 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:aj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGk/BAQUt4bZhwPq:aHgtEWPsL/aTyT9GkyQUt+ZhwPq
TLSH AF343BE25593DB7AE51386377695EFBC307A8C0028115617B89E37EE2F3903C484F69A
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.AutoExecSeparateWays.20200818.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EmotetCROCryLittleSister.20200720.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.24631.XlsHeur.UNOFFICIAL
Create hunting rule

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 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
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
Create hunting rule
Detection:
malicious
Classification:
bank.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/441012
Signature
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
PowerShell case anomaly found
Very long command line found
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 273115 Sample: 1HycWUzaJ6._doc Startdate: 21/08/2020 Architecture: WINDOWS Score: 96 35 cdn.onenote.net 2->35 47 Malicious encrypted Powershell command line found 2->47 49 Yara detected Emotet Downloader 2->49 51 Yara detected Emotet 2->51 53 5 other signatures 2->53 8 powershell.exe 14 20 2->8         started        12 svchost.exe 2->12         started        15 svchost.exe 1 1 2->15         started        17 10 other processes 2->17 signatures3 process4 dnsIp5 37 tusek.de 81.169.145.149, 49734, 80 STRATOSTRATOAGDE Germany 8->37 39 thinkfishmedia.nl 81.169.145.156, 49732, 80 STRATOSTRATOAGDE Germany 8->39 43 3 other IPs or domains 8->43 31 PowerShell_transcr....20200821144502.txt, UTF-8 8->31 dropped 33 C:\Users\user\AppData\Local\...\Tuizqjt.exe, data 8->33 dropped 19 Tuizqjt.exe 2 8->19         started        22 conhost.exe 8->22         started        59 Changes security center settings (notifications, updates, antivirus, firewall) 12->59 24 MpCmdRun.exe 12->24         started        41 127.0.0.1 unknown unknown 15->41 file6 signatures7 process8 signatures9 55 Drops executables to the windows directory (C:\Windows) and starts them 19->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->57 26 NlsLexicons0009.exe 12 19->26         started        29 conhost.exe 24->29         started        process10 dnsIp11 45 137.119.36.33, 49740, 80 TWC-11426-CAROLINASUS United States 26->45
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 09:29:05 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tg2nxa4alnotvhv2mgxzqn7ui3tmiql7jri5yuvp7gh43qcq5tua._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200820-pq1lp7swcn/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Emotet
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8

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
Rule name:MALW_emotet
Create hunting rule
Author:Marc Rivero | McAfee ATR Team
Description:Rule to detect unpacked Emotet

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Heodo

Word file docx 99b4db83805b5d3a9eba61af9837f446e6c4417f4c51dc52aff98fcdc050ece8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436156/
  
Delivery method
Distributed via web download

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