MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1
SHA3-384 hash: a060644c9dd676a257f903bb793d4cd8f3c1d229088e24cdf9fcac0a5ddcbe2e1a54c4e0a17d24de0ab514b04611b293
SHA1 hash: 55661a39cabfeb7be72ed820245000d2b291ea4a
MD5 hash: ccb3e49bad0b853193d45f214009719c
humanhash: orange-august-mississippi-magnesium
File name:emotet_e3_c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1_2020-08-20__211045._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:244'454 bytes
First seen:2020-08-20 21:11:14 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:/j6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGku9C7F5L++PJWwIj:/HgtEWPsL/aTyT9GkgC7Fp+yJWwIj
TLSH 05343BE25593DB7AE503863B7695EFBC307A8C0028115617B99E37EE2F3903C484F59A
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
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

Sanesecurity.Malware.24631.XlsHeur.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
Sending a custom TCP 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
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/442545
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
Document contains an embedded VBA with base64 encoded strings
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 domain / URL
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
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 273834 Sample: BuDb85IFNx._doc Startdate: 22/08/2020 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Antivirus detection for URL or domain 2->56 58 10 other signatures 2->58 7 powershell.exe 14 21 2->7         started        12 svchost.exe 2->12         started        14 WINWORD.EXE 184 46 2->14         started        16 9 other processes 2->16 process3 dnsIp4 36 justinkongyt.com 103.7.8.131, 49738, 80 USONYX-AS-APUSONYXPTELTDSG Singapore 7->36 38 intelligence.com.sg 43.229.84.164, 443, 49733, 49734 USONYX-AS-APUSONYXPTELTDSG Singapore 7->38 44 4 other IPs or domains 7->44 30 C:\Users\user\AppData\Local\...\J0z5myj.exe, PE32 7->30 dropped 32 PowerShell_transcr....20200822045436.txt, UTF-8 7->32 dropped 64 Powershell drops PE file 7->64 18 J0z5myj.exe 2 7->18         started        21 conhost.exe 7->21         started        66 Changes security center settings (notifications, updates, antivirus, firewall) 12->66 23 MpCmdRun.exe 1 12->23         started        34 C:\Users\user\AppData\...\BuDb85IFNx.doc.LNK, MS 14->34 dropped 40 127.0.0.1 unknown unknown 16->40 42 192.168.2.1 unknown unknown 16->42 file5 signatures6 process7 signatures8 60 Drops executables to the windows directory (C:\Windows) and starts them 18->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->62 25 ieui.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 46 85.25.207.108, 49744, 8080 GD-EMEA-DC-SXB1DE Germany 25->46 48 118.70.15.19, 8080 FPT-AS-APTheCorporationforFinancingPromotingTechnolo Viet Nam 25->48 50 4 other IPs or domains 25->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1/
Threat name:
Document-Word.Trojan.EmoDldr
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 21:13:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y55hiiv7efhj5eo6xln4xlkpblcfa3wbbxzn5f4fgdgeqwkcnpaq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200820-68xddksryj/
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/c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1

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 c77a7422bf214e9e91debadbcbad4f0ac4506ec10df2de978530cc4859426bc1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/437486/
  
Delivery method
Distributed via web download

Comments