MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d
SHA3-384 hash: 7322e88da4e9f6e2ed103229153092b6299086e3e3d3aca9c5d35d020fed6dcdd683f5e420da9053b2130906fe8d940b
SHA1 hash: 8a4a944b03f9a7c24c034209b9509e30e081923f
MD5 hash: ffdedaf40ad24911f752bf4dc5ea24e1
humanhash: steak-seventeen-triple-mobile
File name:emotet_e2_3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d_2020-08-19__142917._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:260'083 bytes
First seen:2020-08-19 14:30:39 UTC
Last seen:2020-08-19 14:31:04 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:Ij6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGk+YzRgjpShhqwe6:IHgtEWPsL/aTyT9Gk+YClSvqwe6
TLSH 6D446DD951E93E5EDD0732307AB59BBB50908E4D2A11857A723E375D3FFF039A26200A
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.AutoExecSeparateWays.20200818.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Obfus-101.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.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 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
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/438504
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
Document contains an embedded VBA with base64 encoded strings
Document contains an embedded VBA with many string operations indicating source code obfuscation
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
PowerShell case anomaly found
Powershell drops PE file
Very long command line found
Writes to foreign memory regions
Yara detected Emotet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271726 Sample: oIKwmM0HsI._doc Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 48 Malicious encrypted Powershell command line found 2->48 50 Yara detected Emotet 2->50 52 Very long command line found 2->52 54 5 other signatures 2->54 7 powershell.exe 14 20 2->7         started        12 svchost.exe 3 8 2->12         started        14 svchost.exe 2->14         started        16 12 other processes 2->16 process3 dnsIp4 40 easma.cn 122.51.57.193, 49718, 80 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 7->40 38 C:\Users\user\AppData\Local\...\Yy5m4s.exe, PE32 7->38 dropped 62 Powershell drops PE file 7->62 18 Yy5m4s.exe 2 7->18         started        21 conhost.exe 7->21         started        23 WerFault.exe 12->23         started        25 WerFault.exe 12->25         started        64 Changes security center settings (notifications, updates, antivirus, firewall) 14->64 27 MpCmdRun.exe 14->27         started        42 127.0.0.1 unknown unknown 16->42 44 192.168.2.1 unknown unknown 16->44 file5 signatures6 process7 signatures8 56 Drops executables to the windows directory (C:\Windows) and starts them 18->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->58 29 KBDGEO.exe 12 18->29         started        32 WerFault.exe 6 9 18->32         started        34 WerFault.exe 18->34         started        60 Writes to foreign memory regions 23->60 36 conhost.exe 27->36         started        process9 dnsIp10 46 70.121.172.89, 49727, 80 TWC-11427-TEXASUS United States 29->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 14:31:54 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h54oq5j3xj37rfdjrj3rhmny3h3bno2qu266ceg32wd6qmbt6aoq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200819-srtetf4tas/
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/3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d

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

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 3f78e8753bba77f894698a7713b1b8d9f616bb50a6bde110dbd587e83033f01d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436638/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/436643/

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