MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c. 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: ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c
SHA3-384 hash: f54c6048b156726c6e7eedc6918100efdf20b64787333e4273447d26f3744e50f52e97feb13bd28215d1588145163193
SHA1 hash: 783b23771ca92568af02296944c21c8b599f351b
MD5 hash: eda96617113736a8f16f88fbd4b96de2
humanhash: colorado-indigo-lemon-avocado
File name:emotet_e3_ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c_2020-08-24__073340._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:239'034 bytes
First seen:2020-08-24 07:33:49 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:isj6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkyq7Hwk6QDg:dHgtEWPsL/aTyT9GkyqTwk6Qk
TLSH 79340A6A57452E35FD8393F28545AB2838BC9D2A3F88423FBC5BB6EE2F39174064105D
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
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/447290
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
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Very long command line found
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 275969 Sample: i2X6ObXInz._doc Startdate: 24/08/2020 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Found malware configuration 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 8 other signatures 2->48 7 powershell.exe 14 20 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 cryptokuota.com 94.237.78.68, 49715, 80 UPCLOUDFI Finland 7->34 36 192.168.2.1 unknown unknown 7->36 30 C:\Users\user\AppData\Local\...\R_o2c8hj4.exe, PE32 7->30 dropped 32 PowerShell_transcr....20200824093510.txt, UTF-8 7->32 dropped 56 Powershell drops PE file 7->56 18 R_o2c8hj4.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 12->23         started        38 127.0.0.1 unknown unknown 14->38 file5 signatures6 process7 signatures8 50 Multi AV Scanner detection for dropped file 18->50 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 rometadata.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 40 162.249.220.190, 49720, 80 US-TELEPACIFICUS United States 25->40
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c/
Threat name:
Script-Macro.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-24 07:35:05 UTC
AV detection:
21 of 48 (43.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vr4xwieuvlwhntymwu53aap2mit6ckpn6bzzmyfn5afsivhcx5wa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200824-bgx7xv1q3a/
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/ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c

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 ac797b2094aaec76cf0cb53bb001fa6227e129edf0739660ade80b2454e2bf6c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/439572/
  
Delivery method
Distributed via web download

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