MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c. 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
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SHA256 hash: 81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c
SHA3-384 hash: 4ac61a6b39dc323b4a065b9abb4200aff39a817409bf32a6f6ec640778106798dee52659dd95716252065249362b5ce1
SHA1 hash: 96e117be8f77f5d53b65fc1acc8c96e7a12ae181
MD5 hash: 3a14cf4e63a5348a67b76d0e610ad2c0
humanhash: thirteen-lima-arizona-blue
File name:emotet_e1_81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c_2020-08-11__104647._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:228'913 bytes
First seen:2020-08-11 10:47:07 UTC
Last seen:2020-08-11 12:15:12 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:yj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkSNkpyNgwWhlVDYRw:yHgtEWPsL/aTyT9GkSqIgwW5DYRw
TLSH EA247E1672CFEF3BDCA242B06A56DB74247CFC55AD88814B30C977AD2C3A52E268D14D
Reporter Cryptolaemus1
Tags:doc Emotet epoch1 Heodo


Avatar
Cryptolaemus1
Emotet epoch1 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
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
Creating a process from a recently created file
Moving a file to the Windows subdirectory
Creating a service
Launching the default Windows debugger (dwwin.exe)
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/418450
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
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: 261504 Sample: C4lilepUH2._doc Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious encrypted Powershell command line found 2->43 45 8 other signatures 2->45 7 powershell.exe 14 18 2->7         started        12 813.exe 2 2->12         started        14 svchost.exe 2->14         started        16 12 other processes 2->16 process3 dnsIp4 33 dutarini.com 110.4.45.182, 49737, 80 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 7->33 35 ecorideen.ncryptedprojects.com 162.144.134.38, 443, 49738 UNIFIEDLAYER-AS-1US United States 7->35 27 C:\Users\user\813.exe, PE32 7->27 dropped 29 PowerShell_transcr....20200811135353.txt, UTF-8 7->29 dropped 47 Drops PE files to the user root directory 7->47 49 Creates processes via WMI 7->49 51 Powershell drops PE file 7->51 18 conhost.exe 7->18         started        53 Drops executables to the windows directory (C:\Windows) and starts them 12->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->55 20 ddrawex.exe 12 12->20         started        57 Changes security center settings (notifications, updates, antivirus, firewall) 14->57 23 MpCmdRun.exe 14->23         started        37 127.0.0.1 unknown unknown 16->37 file5 signatures6 process7 dnsIp8 31 58.171.153.81, 49748, 80 ASN-TELSTRATelstraCorporationLtdAU Australia 20->31 25 conhost.exe 23->25         started        process9
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 10:49:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgerhgmtnx3fjbhxbw5z73kqt3hckfp2nejroyndslzs7ugwx5ga._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200811-j7ekvbyhrx/
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/81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c

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 81891399936df65484f70dbb9fed509ece2515fa69131761a392f32fd0d6bf4c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/428285/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/428133/
  
URLhaus
https://urlhaus.abuse.ch/url/428142/
  
URLhaus
https://urlhaus.abuse.ch/url/428135/

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