MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881. 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: 344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881
SHA3-384 hash: 673f2daa38ba3f40c53925cc1c4e309e21297921c491d5ead6d6b69bf831f8e4edd8108754345991c772ff72f3e5f039
SHA1 hash: 0e993fd9f6f7c025ce77d037888f4092ef6ee6b0
MD5 hash: 2fde3cc6671a23aaebc0c5bb96b68bc1
humanhash: oscar-vermont-wyoming-mike
File name:emotet_e2_344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881_2020-08-21__104457._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:186'843 bytes
First seen:2020-08-21 10:46:27 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:V4PrXcuQuvpzm4bkiaMQgAlSDyxS50APwlxz:iDRv1m4bnQgISDyxA7Pwlxz
TLSH 00040CDE30D9FC3EE74EA0369C4AAE6E7212DF901DC8F1A920B4377D35B5390556A112
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
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
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
Possible injection to a system process
Enabling autorun for a service
Launching a process by exploiting the app vulnerability
Sending an HTTP GET request to an infection source
Result
Threat name:
Emotet
Create hunting rule
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/443937
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
Drops executables to the windows directory (C:\Windows) and starts them
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
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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: 274516 Sample: WiOassb3Fh._doc Startdate: 22/08/2020 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Antivirus detection for URL or domain 2->48 50 9 other signatures 2->50 7 powershell.exe 14 20 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 aci.serabd.com 85.187.128.10, 49730, 80 A2HOSTINGUS United States 7->36 30 C:\Users\user\AppData\Local\...\Sf7_ydku.exe, PE32 7->30 dropped 32 PowerShell_transcr....20200822183313.txt, UTF-8 7->32 dropped 56 Powershell drops PE file 7->56 18 Sf7_ydku.exe 2 7->18         started        21 conhost.exe 7->21         started        58 Changes security center settings (notifications, updates, antivirus, firewall) 12->58 23 MpCmdRun.exe 1 12->23         started        34 C:\Users\user\AppData\...\WiOassb3Fh.doc.LNK, MS 14->34 dropped 38 127.0.0.1 unknown unknown 16->38 file5 signatures6 process7 signatures8 52 Drops executables to the windows directory (C:\Windows) and starts them 18->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->54 25 pcwum.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 40 137.119.36.33, 80 TWC-11426-CAROLINASUS United States 25->40 42 116.202.234.183, 49742, 8080 HETZNER-ASDE Germany 25->42
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881/
Threat name:
Document-Word.Downloader.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-08-21 10:48:05 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=grhsbyzj2ra2y4mulaixyec2oynebaqwikn2ur2anh2gdpxr7caq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200821-s86crfbr86/
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/344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881

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 344f20e329d441ac719458117c105a761a408216429baa474069f461bef1f881

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436800/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/436805/
  
URLhaus
https://urlhaus.abuse.ch/url/436757/
  
URLhaus
https://urlhaus.abuse.ch/url/436648/

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