MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939. 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 2 File information Comments
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SHA256 hash: a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939
SHA3-384 hash: 844ba5de673a5467bcd87bc92ae1e6db98de5fe9a0d0bcb08c28cf1b8b5626ba995526c29edc6ecc39a841013fcf348a
SHA1 hash: fa93bffedb55ddbd2f35f2657c31c905b4736b78
MD5 hash: 16e03ee5cf788b01b3f66c9feb6c92ab
humanhash: triple-montana-twenty-robert
File name:emotet_e1_a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939_2020-08-11__074350._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:235'632 bytes
First seen:2020-08-11 07:44:17 UTC
Last seen:2020-08-11 08:36:40 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:rj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkQ3Nlw8j0IZRW:rHgtEWPsL/aTyT9GkQ9lw8j0ARW
TLSH 2B344C1171DFEF3BDCA242B06A56DB74246CBC55A988C14B30CD76AE2F3692E368D04D
Reporter Cryptolaemus1
Tags:doc Emotet epoch1 Heodo


Avatar
Cryptolaemus1
Emotet epoch1 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.EmotetWindowSong.20200204.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.EmotetCROCryLittleSister.20200720.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
Creating a file
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/417980
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
Document contains an embedded VBA with many randomly named variables
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Malicious encrypted Powershell command line found
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: 261248 Sample: ujbXBlIUwZ._doc Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 37 Malicious encrypted Powershell command line found 2->37 39 Yara detected Emotet Downloader 2->39 41 Yara detected Emotet 2->41 43 6 other signatures 2->43 7 powershell.exe 14 18 2->7         started        12 598.exe 2 2->12         started        14 svchost.exe 2->14         started        16 9 other processes 2->16 process3 dnsIp4 33 sariweb.com.br 191.252.95.120, 443, 49732 LocawebServicosdeInternetSABR Brazil 7->33 35 192.168.2.1 unknown unknown 7->35 27 C:\Users\user\598.exe, PE32 7->27 dropped 29 PowerShell_transcr....20200811094637.txt, UTF-8 7->29 dropped 45 Drops PE files to the user root directory 7->45 47 Creates processes via WMI 7->47 49 Powershell drops PE file 7->49 18 conhost.exe 7->18         started        51 Machine Learning detection for dropped file 12->51 53 Drops executables to the windows directory (C:\Windows) and starts them 12->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 20 wmdmps.exe 12 12->20         started        57 Changes security center settings (notifications, updates, antivirus, firewall) 14->57 23 MpCmdRun.exe 1 14->23         started        file5 signatures6 process7 dnsIp8 31 58.171.153.81, 49738, 80 ASN-TELSTRATelstraCorporationLtdAU Australia 20->31 25 conhost.exe 23->25         started        process9
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 07:46:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ummwhnt3fnzkz7kcwbx65d52fh3df76tktoaxcawkwuk5dadje4q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-a7bxft38p2/
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/a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939

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_2
Create hunting rule
Author:abuse.ch
Description:Detects Heodo (aka Emotet) DOC
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

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 a31963b67b2b72acfd42b06fee8fba29f632ffd354dc0b881655a8ae8c034939

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/428101/
  
Delivery method
Distributed via web download

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