MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b73b4d108375f5cff262fa1803a46d3a5a21fab2adae42521980242b2b1e76ac. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b73b4d108375f5cff262fa1803a46d3a5a21fab2adae42521980242b2b1e76ac
SHA3-384 hash: e3981e9dcab53f2d29339e749a815c581651de3aa38b3f9008cf4f8489e56772f440d1f17f8b48735648f4f7cdcbc15e
SHA1 hash: 7b9947e06f0b0ffe80c2beff352796f5f8bbd91b
MD5 hash: 6dfbe7d43aeff312d6c5873547f3ca6a
humanhash: butter-mango-cardinal-lima
File name:REP_PO_07302020EX.doc
Download: download sample
Signature Heodo
Create hunting rule
File size:178'052 bytes
First seen:2020-07-31 07:21:51 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 3072:f4PrXcuQuvpzm4bkiaMQgAlSx1xOkC/NaviTMdp42:QDRv1m4bnQgISx7O0vOMdp42
TLSH 07041804A0DDEC53C6821AB31EABCF78B2A87C141F78A116751E376E6FB52B450BC395
Reporter JAMESWT_WT
Tags:Emotet Heodo

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
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
Sending an HTTP POST request
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/404866
Signature
Creates HTML files with .exe extension (expired dropper behavior)
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
Encrypted powershell cmdline option found
Malicious encrypted Powershell command line found
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
PowerShell case anomaly found
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
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b73b4d108375f5cff262fa1803a46d3a5a21fab2adae42521980242b2b1e76ac/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 18:52:29 UTC
File Type:
Document
Extracted files:
47
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w45u2eedox2474tc7imahjdnhjncd6vsvwxeeuqzqascwky6o2wa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200731-vjqje81bca/
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/b73b4d108375f5cff262fa1803a46d3a5a21fab2adae42521980242b2b1e76ac

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
Create hunting rule
Author:abuse.ch
Description:Detects Heodo 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 doc b73b4d108375f5cff262fa1803a46d3a5a21fab2adae42521980242b2b1e76ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/421924/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/420810/
  
URLhaus
https://urlhaus.abuse.ch/url/421862/

Comments