MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49. 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: 5


Intelligence 5 IOCs YARA 4 File information Comments
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SHA256 hash: 3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49
SHA3-384 hash: 1cee3e159daa6bcd666d4b6843527575a185c58c31d22e6a0b8edc99d154a70a4b92ab42187b5d381bdbc8d700049099
SHA1 hash: 1085e79eca14ed4d6fbe4d3d44c23db86be82639
MD5 hash: 3a21b43d9c0d3b4b1b3a79a72341ef77
humanhash: summer-sweet-florida-butter
File name:emotet_e3_3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49_2020-08-12__021715._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:232'068 bytes
First seen:2020-08-12 02:17:29 UTC
Last seen:2020-08-12 02:34:38 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:wj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkXwJk0DcaJFwEk5GajR4:wHgtEWPsL/aTyT9Gkz05wEkIoR4
TLSH 29345D1171DFEF3BDDA242B06A56DB74246CBC51AD88814B30CDB7AE2E3652E368D04D
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
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/421082
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
Found malware configuration
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
Query firmware table information (likely to detect VMs)
Very long command line found
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 262909 Sample: rnxORuYLpU._doc Startdate: 12/08/2020 Architecture: WINDOWS Score: 100 34 cdn.onenote.net 2->34 36 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->36 46 Found malware configuration 2->46 48 Malicious encrypted Powershell command line found 2->48 50 Yara detected Emotet Downloader 2->50 52 7 other signatures 2->52 8 powershell.exe 14 17 2->8         started        13 413.exe 2 2->13         started        15 svchost.exe 2->15         started        17 11 other processes 2->17 signatures3 process4 dnsIp5 40 samontime.com 13.234.36.77, 443, 49701 AMAZON-02US United States 8->40 28 C:\Users\user\413.exe, PE32 8->28 dropped 30 PowerShell_transcr....20200812143347.txt, UTF-8 8->30 dropped 54 Drops PE files to the user root directory 8->54 56 Creates processes via WMI 8->56 58 Powershell drops PE file 8->58 19 conhost.exe 8->19         started        60 Drops executables to the windows directory (C:\Windows) and starts them 13->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->62 21 MshtmlDac.exe 12 13->21         started        64 Changes security center settings (notifications, updates, antivirus, firewall) 15->64 24 MpCmdRun.exe 1 15->24         started        42 127.0.0.1 unknown unknown 17->42 44 192.168.2.1 unknown unknown 17->44 32 C:\Users\user\AppData\...\rnxORuYLpU.doc.LNK, MS 17->32 dropped 66 Query firmware table information (likely to detect VMs) 17->66 file6 signatures7 process8 dnsIp9 38 176.216.226.44, 49705, 80 KOCNETTR Turkey 21->38 26 conhost.exe 24->26         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-12 02:19:05 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjwxn7argoaks4xugcrehusdcfncvbqtd4pmi2xukmmp5eoylreq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200812-9k6fxa849j/
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/3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49

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 3a6d76fc113380a972f430a243d243115a2a86131f1ec46af45318fe91d85c49

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/428807/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/428805/
  
URLhaus
https://urlhaus.abuse.ch/url/428436/
  
URLhaus
https://urlhaus.abuse.ch/url/428404/
  
URLhaus
https://urlhaus.abuse.ch/url/428400/

Comments