MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982. 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 4 File information Comments
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SHA256 hash: 81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982
SHA3-384 hash: 730654003b2fb5781dc90e1c41b7806b65f601de483cbcf76034f9aeb1a6f7569dbe3c2ca781ce6441a5bf3b8a1633c1
SHA1 hash: 6939fabcd8c7c0c50111d9a99b94e2bca0324a6a
MD5 hash: dcacb2efe785a8987948820d99649941
humanhash: earth-mirror-golf-seventeen
File name:emotet_e3_81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982_2020-08-11__163854._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:234'786 bytes
First seen:2020-08-11 16:39:04 UTC
Last seen:2020-08-11 17:54:15 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:ij6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGks6jFHqCwFICezTxR53RV:iHgtEWPsL/aTyT9Gks6jFHqCwFILxvRV
TLSH B6344C1171DFEF3BDCA242B06A56DB74247CBC55AD88814B30CDB6AD2E3692E368D14C
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
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
Creating a file
Creating a process from a recently created file
Moving a file to the Windows subdirectory
Creating a service
Connection attempt
Deleting a recently created file
Possible injection to a system process
Enabling autorun for a service
Launching a process by exploiting the app vulnerability
Sending an HTTP GET request to an infection source
Result
Threat name:
Emotet
Create hunting rule
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/419722
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: 262209 Sample: IlnnriuRPS._doc Startdate: 12/08/2020 Architecture: WINDOWS Score: 100 43 Malicious encrypted Powershell command line found 2->43 45 Yara detected Emotet Downloader 2->45 47 Yara detected Emotet 2->47 49 6 other signatures 2->49 7 powershell.exe 14 18 2->7         started        12 950.exe 2 2->12         started        14 svchost.exe 2->14         started        16 8 other processes 2->16 process3 dnsIp4 39 labersa.com 103.16.199.242, 49730, 80 IDNIC-JALANET-AS-IDPTJupiterJalaArtaID Indonesia 7->39 29 C:\Users\user\950.exe, PE32 7->29 dropped 31 PowerShell_transcr....20200812021350.txt, UTF-8 7->31 dropped 51 Drops PE files to the user root directory 7->51 53 Creates processes via WMI 7->53 55 Powershell drops PE file 7->55 18 conhost.exe 7->18         started        57 Machine Learning detection for dropped file 12->57 59 Drops executables to the windows directory (C:\Windows) and starts them 12->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->61 20 psisdecd.exe 12 12->20         started        23 WerFault.exe 6 9 12->23         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 14->63 25 MpCmdRun.exe 14->25         started        41 127.0.0.1 unknown unknown 16->41 file5 signatures6 process7 dnsIp8 33 139.99.157.213, 49743, 8080 OVHFR Canada 20->33 35 92.24.51.238, 80 OPALTELECOM-ASTalkTalkCommunicationsLimitedGB United Kingdom 20->35 37 192.168.2.1 unknown unknown 20->37 27 conhost.exe 25->27         started        process9
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 16:40:09 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgubzv55qegoke6mmuri6icg7wvcd54ualjru5rcdbzysteejgba._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-gq4d4rbgln/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982

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: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
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 81a81cd7bd810ce513cc65228f2046fdaa21f79402d31a76221873894c844982

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/428489/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/428494/
  
URLhaus
https://urlhaus.abuse.ch/url/428807/
  
URLhaus
https://urlhaus.abuse.ch/url/428802/
  
URLhaus
https://urlhaus.abuse.ch/url/428824/
  
URLhaus
https://urlhaus.abuse.ch/url/428803/
  
URLhaus
https://urlhaus.abuse.ch/url/429240/
  
URLhaus
https://urlhaus.abuse.ch/url/429243/
  
URLhaus
https://urlhaus.abuse.ch/url/429241/
  
URLhaus
https://urlhaus.abuse.ch/url/429283/
  
URLhaus
https://urlhaus.abuse.ch/url/429287/
  
URLhaus
https://urlhaus.abuse.ch/url/428490/
  
URLhaus
https://urlhaus.abuse.ch/url/429520/

Comments