MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4. 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: 3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4
SHA3-384 hash: a1473965b4df54ff12d64c22a1f6d7a939e4d5328a5fa28f0b51629a984598e9bbfd085c98804734f0d711ca1223b8c2
SHA1 hash: e9513bd1deec5e8fd4e79f0d12ba91530e426719
MD5 hash: 23efd7b4f482a0c68cd71bf401dbca54
humanhash: winter-pluto-chicken-undress
File name:emotet_e2_3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4_2020-08-13__025639._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:231'344 bytes
First seen:2020-08-13 02:57:24 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:8j6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkRo4OcwExRz:8HgtEWPsL/aTyT9GkRo4PwExRz
TLSH CD347D0FEB877A36D47720304206EBB52596AC066F15421BB04A3FEC3E3DD58177A9D6
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Obfus-96.UNOFFICIAL
Create hunting rule

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
Sending an HTTP POST request
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/424748
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
Document contains an embedded VBA with base64 encoded strings
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)
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)
System process connects to network (likely due to code injection or exploit)
Very long command line found
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264937 Sample: BXIAcX7tFe._doc Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Malicious encrypted Powershell command line found 2->38 40 Yara detected Emotet Downloader 2->40 42 8 other signatures 2->42 7 powershell.exe 14 18 2->7         started        12 728.exe 5 2->12         started        14 svchost.exe 2->14         started        16 9 other processes 2->16 process3 dnsIp4 34 cnoenc.com 112.220.197.10, 49729, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 7->34 28 C:\Users\user\728.exe, PE32 7->28 dropped 30 PowerShell_transcr....20200814041023.txt, UTF-8 7->30 dropped 46 Drops PE files to the user root directory 7->46 48 Creates processes via WMI 7->48 50 Powershell drops PE file 7->50 18 conhost.exe 7->18         started        52 Drops executables to the windows directory (C:\Windows) and starts them 12->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->54 20 calc.exe 12 12->20         started        56 Changes security center settings (notifications, updates, antivirus, firewall) 14->56 24 MpCmdRun.exe 1 14->24         started        file5 signatures6 process7 dnsIp8 32 24.233.112.152, 49732, 80 METROCAST-1US United States 20->32 44 System process connects to network (likely due to code injection or exploit) 20->44 26 conhost.exe 24->26         started        signatures9 process10
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 02:59:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hi4l7tzqd6aswe7m57ecsgjcpnvyjlxmrqbyfbv5qsspzji25tka._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200813-yyzx7jn5ma/
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/3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4

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 3a38bfcf301f812b13ecefc82919227b6b84aeec8c038286bd84a4fca51aecd4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/430515/
  
Delivery method
Distributed via web download

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