MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566
SHA3-384 hash: dad4b05df7efc8afbfa8fad3bedff2ff2c6b911ccf8b3a369a49ac7bd299d7021e0a623b213f1f9c5b186e7aaa8ddb0d
SHA1 hash: 72759a70be330e413612d05c31be2fc72085ca50
MD5 hash: 195ed30afaf15f10914bc9e27b44a04f
humanhash: fanta-equal-shade-oklahoma
File name:emotet_e1_43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566_2020-08-20__083440._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:243'096 bytes
First seen:2020-08-20 08:35:33 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:ij6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkyfkKvvvUTuwzYm:iHgtEWPsL/aTyT9GkikKv3AuwzYm
TLSH 74343CE25593DB7AE50386377695EFFC307B8C0028115617B99A37EE2E3903C484F69A
Reporter Cryptolaemus1
Tags:doc Emotet epoch1 Heodo


Avatar
Cryptolaemus1
Emotet epoch1 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
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 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:
100 / 100
Link:
https://www.joesandbox.com/analysis/440888
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
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 273051 Sample: xbryqAKvQu._doc Startdate: 21/08/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious encrypted Powershell command line found 2->47 49 Yara detected Emotet Downloader 2->49 51 6 other signatures 2->51 8 powershell.exe 14 19 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 1 1 2->15         started        17 10 other processes 2->17 process3 dnsIp4 35 jens-freiberg.de 81.169.145.70, 49715, 80 STRATOSTRATOAGDE Germany 8->35 31 C:\Users\user\AppData\Local\...\Kst21p7ps.exe, PE32 8->31 dropped 33 PowerShell_transcr....20200821132602.txt, UTF-8 8->33 dropped 57 Powershell drops PE file 8->57 19 Kst21p7ps.exe 2 8->19         started        22 conhost.exe 8->22         started        59 Changes security center settings (notifications, updates, antivirus, firewall) 13->59 37 127.0.0.1 unknown unknown 15->37 39 192.168.2.1 unknown unknown 15->39 file5 signatures6 process7 signatures8 53 Drops executables to the windows directory (C:\Windows) and starts them 19->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->55 24 wups.exe 12 19->24         started        27 MpCmdRun.exe 19->27         started        process9 dnsIp10 41 65.36.62.20, 80 GRANDECOM-AS1US United States 24->41 43 209.126.6.222, 49729, 8080 CONTABOUS United States 24->43 29 conhost.exe 27->29         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566/
Threat name:
Script-Macro.Trojan.Amphitryon
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 08:37:07 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iozxusttb4rnymrnjdmk5gt7qs3n5dj4d3ncp7qd46ik4x6vsvta._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200820-2png1wtlke/
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/43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566

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 43b37a4a730f22dc322d48d8ae9a7f84b6de8d3c1eda27fe03e790ae5fd59566

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436860/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/436971/

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