MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a237c7a1a550a5b626c4b53a0984f7f2b97a58a99ab61867eadb98d8281404be. 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 3 File information Comments

SHA256 hash: a237c7a1a550a5b626c4b53a0984f7f2b97a58a99ab61867eadb98d8281404be
SHA3-384 hash: 2b10f1d37cd89650115e060b5015af2b8e4b068732b62c8835efec66d0063f1016acbd8d08c3f5c27eb9b1d4eb40d4be
SHA1 hash: 31ff68c75787cc58d87aa68bc71163c6c4f6899c
MD5 hash: 00745ec8d5de25e69fcdf5e739fab133
humanhash: beryllium-uncle-idaho-winter
File name:emotet_e1_a237c7a1a550a5b626c4b53a0984f7f2b97a58a99ab61867eadb98d8281404be_2020-08-14__140738._doc
Download: download sample
Signature Heodo
File size:234'432 bytes
First seen:2020-08-14 14:08:17 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:Sj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkuSu5WiFCw4gRH:SHgtEWPsL/aTyT9GkIWCCw4gRH
TLSH 8C345B47668B6F7BDD1260300C47FF696578ACC67F068007314A3FADED7A7290A4AC99
Reporter Cryptolaemus1
Tags:doc Emotet epoch1 Heodo


Avatar
Cryptolaemus1
Emotet epoch1 doc

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
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% directory
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:
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates processes via WMI
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
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267408 Sample: 5lmXT4g6sV._doc Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 42 Malicious encrypted Powershell command line found 2->42 44 Yara detected Emotet Downloader 2->44 46 Yara detected Emotet 2->46 48 5 other signatures 2->48 7 powershell.exe 14 17 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        16 10 other processes 2->16 process3 dnsIp4 34 nourishmentjuices.com 34.75.142.181, 49712, 80 GOOGLEUS United States 7->34 36 goturizm.com 46.20.146.37, 49711, 80 DORATELEKOMTR Turkey 7->36 30 C:\Users\user\AppData\Local\Temp\Wbvb.exe, PE32 7->30 dropped 32 PowerShell_transcr....20200816053005.txt, UTF-8 7->32 dropped 54 Powershell drops PE file 7->54 18 Wbvb.exe 2 7->18         started        21 conhost.exe 7->21         started        56 Changes security center settings (notifications, updates, antivirus, firewall) 12->56 23 MpCmdRun.exe 12->23         started        38 127.0.0.1 unknown unknown 14->38 file5 signatures6 process7 signatures8 50 Drops executables to the windows directory (C:\Windows) and starts them 18->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->52 25 Nlsdl.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 40 174.100.27.229, 49723, 80 TWC-10796-MIDWESTUS United States 25->40
Threat name:
Document-Word.Trojan.Emotet
Status:
Malicious
First seen:
2020-08-14 14:10:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects Heodo (aka Emotet) DOC
Rule name:Cobalt_functions
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:MALW_emotet
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 a237c7a1a550a5b626c4b53a0984f7f2b97a58a99ab61867eadb98d8281404be

(this sample)

  
Delivery method
Distributed via web download

Comments