MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25
SHA3-384 hash: 2101338b5d074f133e72bd5e6563d8fcf65c85ceef89e5048b5834b70e3a50472e0102cdbab76b5f3f55fda23aeec09e
SHA1 hash: a1e40cb2f2d110dc7645b99a35df632ce7acd8b1
MD5 hash: 949ef4021b350ce9227b06b908df7040
humanhash: aspen-summer-equal-beryllium
File name:emotet_e2_b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25_2020-08-25__151520._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:232'235 bytes
First seen:2020-08-25 15:16:20 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:HYy0u8YGgjv+ZvchmkHcI/o1/Vb6///////////////////////////////////6:p0uXnWFchmmcI/o1/YhmHFNwnY5
TLSH 25341CC83A846E7ACC2016318C5A47F53272EE126CEB545D9085F5DDBC7CF3A186A7E8
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
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:
Unknown
Detection:
malicious
Classification:
bank.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/449387
Signature
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious encrypted Powershell command line found
Multi AV Scanner detection for submitted file
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
Very long command line found
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 277070 Sample: 75oydzrZfQ._doc Startdate: 25/08/2020 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for submitted file 2->50 52 Malicious encrypted Powershell command line found 2->52 54 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->54 56 4 other signatures 2->56 7 powershell.exe 14 21 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 4 2->14         started        16 10 other processes 2->16 process3 dnsIp4 38 smileplz.com 67.20.113.236, 49721, 80 UNIFIEDLAYER-AS-1US United States 7->38 40 192.168.2.1 unknown unknown 7->40 34 C:\Users\user\AppData\Local\...\F1jq4l.exe, PE32 7->34 dropped 64 Powershell drops PE file 7->64 18 F1jq4l.exe 2 7->18         started        21 conhost.exe 7->21         started        66 Changes security center settings (notifications, updates, antivirus, firewall) 12->66 23 MpCmdRun.exe 12->23         started        25 WerFault.exe 14->25         started        42 127.0.0.1 unknown unknown 16->42 36 C:\Users\user\AppData\...\75oydzrZfQ.doc.LNK, MS 16->36 dropped file5 signatures6 process7 signatures8 58 Drops executables to the windows directory (C:\Windows) and starts them 18->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->60 27 iri.exe 12 18->27         started        30 WerFault.exe 6 9 18->30         started        32 conhost.exe 23->32         started        62 Writes to foreign memory regions 25->62 process9 dnsIp10 44 45.55.219.163, 443, 49741 DIGITALOCEAN-ASNUS United States 27->44 46 107.5.122.110, 80 COMCAST-7922US United States 27->46 48 ns1.360wisp.net 199.101.86.6, 443, 49739, 49740 AS-360WISPUS United States 27->48
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-25 15:18:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsxyxlxkgpfcdl4wlcnpsk3etp3jar5xw6mfplth622ai6jdjmsq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200825-c36yyjf2aa/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Emotet
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25

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 b4af8baeea33ca21af96589af92b649bf69047b7b79857ae67f6b40479234b25

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/441045/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/440816/

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