MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70
SHA3-384 hash: 2668cf905187e33b4bedc637a7eb6e9443fda92a6286b166a36d978f66151f5f5be0cc0514c1e8f4e9351a954c4f935f
SHA1 hash: 34cb765527923b997bbaf0c111edf6153c587524
MD5 hash: 3f21baed3510ba7f26e8cf93d823c9bb
humanhash: kansas-echo-don-hot
File name:emotet_e3_4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70_2020-08-25__065937._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:246'351 bytes
First seen:2020-08-25 07:00:06 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:Jj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGk5F8Ya1n2wqx1:JHgtEWPsL/aTyT9Gk3na1n2wqf
TLSH DE344B8977856B7EDC2106314C1A9BF522B1EE01ACEB554A9082F6EC7C3CE3A18577DC
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.AutoExecSeparateWays.20200818.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Obfus-102.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 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/448422
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Very long command line found
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 276552 Sample: bexAL7RwOI._doc Startdate: 25/08/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Malicious encrypted Powershell command line found 2->51 53 5 other signatures 2->53 7 powershell.exe 14 20 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        16 11 other processes 2->16 process3 dnsIp4 37 www.luxelistreviews.com 7->37 39 luxelistreviews.com 192.185.5.43, 49736, 80 UNIFIEDLAYER-AS-1US United States 7->39 31 C:\Users\user\AppData\Local\...\C3bc3av5i.exe, PE32 7->31 dropped 33 PowerShell_transcr....20200825092354.txt, UTF-8 7->33 dropped 61 Powershell drops PE file 7->61 18 C3bc3av5i.exe 2 7->18         started        22 conhost.exe 7->22         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 12->63 24 MpCmdRun.exe 12->24         started        41 127.0.0.1 unknown unknown 14->41 file5 signatures6 process7 dnsIp8 35 192.168.2.1 unknown unknown 18->35 55 Multi AV Scanner detection for dropped file 18->55 57 Drops executables to the windows directory (C:\Windows) and starts them 18->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 26 MSAJApi.exe 12 18->26         started        29 conhost.exe 24->29         started        signatures9 process10 dnsIp11 43 85.25.207.108, 49750, 8080 GD-EMEA-DC-SXB1DE Germany 26->43 45 189.39.32.161, 80 ALGARTELECOMSABR Brazil 26->45
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-25 07:02:11 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iar53n6lor6kkdpb4vfnq6xehsib25xc7qlykq6n3roymmyyz5ya._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200825-r3sbxnacre/
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/4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70

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
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

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 4023ddb7cb747ca50de1e54ad87ae43c901d76e2fc178543cddc5d863318cf70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/440602/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/440613/
  
URLhaus
https://urlhaus.abuse.ch/url/440643/
  
URLhaus
https://urlhaus.abuse.ch/url/440684/

Comments