MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255
SHA3-384 hash: e597724a71adfd020b8360fa5bf0c2fb3164874f3c72a3d222f032896de7721f01fc645be8c2cb54a07da03db6370c88
SHA1 hash: 638d55ac07231525d780b51be8a2134e11346879
MD5 hash: 6c6a5ef133385715277bc80b523da3d7
humanhash: montana-steak-autumn-romeo
File name:emotet_e1_f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255_2020-08-20__172033._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:243'200 bytes
First seen:2020-08-20 17:21:10 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:Aj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkF6QLtt7w/woA:AHgtEWPsL/aTyT9GktT7w/woA
TLSH 39343BE25593DB7AE503863B7685EFFC307A8C0028115617B99E37EE2E3903C494F699
Reporter Cryptolaemus1
Tags:doc Emotet epoch1 Heodo


Avatar
Cryptolaemus1
Emotet epoch1 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
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:
100 / 100
Link:
https://www.joesandbox.com/analysis/442151
Signature
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Very long command line found
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 273674 Sample: n1NS06zS8L._doc Startdate: 22/08/2020 Architecture: WINDOWS Score: 100 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Malicious encrypted Powershell command line found 2->46 48 7 other signatures 2->48 7 powershell.exe 14 20 2->7         started        12 svchost.exe 2->12         started        14 WINWORD.EXE 207 71 2->14         started        16 8 other processes 2->16 process3 dnsIp4 34 www.yikeyuedu.com 7->34 36 ywqzz.com 103.43.160.8, 443, 49730 HKKFGL-AS-APHKKwaifongGroupLimitedHK India 7->36 38 192.168.2.1 unknown unknown 7->38 30 C:\Users\user\AppData\Local\...\Aoeaitgg6.exe, PE32 7->30 dropped 32 PowerShell_transcr....20200822014940.txt, UTF-8 7->32 dropped 56 Powershell drops PE file 7->56 18 Aoeaitgg6.exe 2 7->18         started        21 conhost.exe 7->21         started        58 Changes security center settings (notifications, updates, antivirus, firewall) 12->58 23 MpCmdRun.exe 1 12->23         started        file5 signatures6 process7 signatures8 50 Multi AV Scanner detection for dropped file 18->50 52 Drops executables to the windows directory (C:\Windows) and starts them 18->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->54 25 LocationApi.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 40 181.30.61.163, 443, 49736 TelecomArgentinaSAAR Argentina 25->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255/
Threat name:
Document-Word.Trojan.EmoDldr
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 17:23:04 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6gzdu47m6i7lrnhmsj43jkvqzg4unguyg24zvzuc24o53p4bijkq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200820-vckq48jkke/
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/f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255

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

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 f1b23a73ecf23eb8b4ec9279b4aab0c9b9469a9836b99ae682d71dddbf814255

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436701/
  
Delivery method
Distributed via web download

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