MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303. 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 4 File information Comments
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SHA256 hash: 308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303
SHA3-384 hash: b68dd10295bb53ad0582d98bc3555fe7ae18b00c5313ec0890cdfc7f0b11644a3ade9060ba946da0d66f11a1a499d4d0
SHA1 hash: 58890d932a5558351c6a7b856b4efa406a7075c5
MD5 hash: eeb973c38a913bfb925b3af455d3c2c1
humanhash: freddie-march-uncle-dakota
File name:emotet_e3_308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303_2020-08-11__114207._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:232'292 bytes
First seen:2020-08-11 11:42:17 UTC
Last seen:2020-08-11 13:19:30 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:lj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkruwSrrw09mCRRFC:lHgtEWPsL/aTyT9GkruwSPw0A6RFC
TLSH 02345D1272DFEF3BDDA242B06956DB74246CBC51AD88814B30CDB7AD2F3652E268D04D
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
67
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 an HTTP GET request
Creating a file
Deleting a recently created file
Replacing files
Moving a file to the Windows subdirectory
Creating a service
Connection attempt
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/418649
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
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
Very long command line found
Writes to foreign memory regions
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 261632 Sample: OHzDTQWOZw._doc Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 46 Malicious encrypted Powershell command line found 2->46 48 Yara detected Emotet Downloader 2->48 50 Yara detected Emotet 2->50 52 6 other signatures 2->52 7 powershell.exe 14 16 2->7         started        12 882.exe 2 2->12         started        14 svchost.exe 4 2->14         started        16 11 other processes 2->16 process3 dnsIp4 38 stoutarc.com 64.29.151.221, 49717, 80 INFB2-ASUS United States 7->38 40 soundaffairs.net 195.201.179.80, 49718, 80 HETZNER-ASDE Germany 7->40 34 PowerShell_transcr....20200811155750.txt, UTF-8 7->34 dropped 36 C:\Users\user\882.exe, data 7->36 dropped 56 Creates processes via WMI 7->56 18 conhost.exe 7->18         started        58 Drops executables to the windows directory (C:\Windows) and starts them 12->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->60 20 kbd106n.exe 12->20         started        22 WerFault.exe 14->22         started        42 127.0.0.1 unknown unknown 16->42 62 Changes security center settings (notifications, updates, antivirus, firewall) 16->62 25 MpCmdRun.exe 16->25         started        file5 signatures6 process7 signatures8 27 WerFault.exe 23 9 20->27         started        54 Writes to foreign memory regions 22->54 29 backgroundTaskHost.exe 22->29         started        32 conhost.exe 25->32         started        process9 dnsIp10 44 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 168.63.67.155, 443, 49737, 49740 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->44
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303/
Threat name:
Document-Word.Trojan.Powload
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 11:44:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcdxn3zbxtncmri7aot2qemnjfmlkqzhzmuqfdc5zzonxs5akmbq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-fj7zl214ns/
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/308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303

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 308776ef21bcda26451f03a7a8118d4958b54327cb29028c5dce5cdbcba05303

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/429246/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/429155/
  
URLhaus
https://urlhaus.abuse.ch/url/429243/
  
URLhaus
https://urlhaus.abuse.ch/url/428803/
  
URLhaus
https://urlhaus.abuse.ch/url/429181/
  
URLhaus
https://urlhaus.abuse.ch/url/428402/
  
URLhaus
https://urlhaus.abuse.ch/url/428398/
  
URLhaus
https://urlhaus.abuse.ch/url/428487/
  
URLhaus
https://urlhaus.abuse.ch/url/429057/
  
URLhaus
https://urlhaus.abuse.ch/url/429241/

Comments