MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912. 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: b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912
SHA3-384 hash: 61506445a351271c3c46d699a39c54ce8876a6c05b4deafb577f7268f0fd19e38f6477839cd0b60919eab22b746b5d30
SHA1 hash: a1a00e8aecce57d5f2be923aa985d2b716844748
MD5 hash: faedf54693dd466e5cbf8def405bb1a7
humanhash: batman-finch-orange-autumn
File name:emotet_e3_b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912_2020-08-19__130017._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:203'473 bytes
First seen:2020-08-19 13:00:29 UTC
Last seen:Never
File type:Word file docx
MIME type:application/msword
ssdeep 3072:M4PrXcuQuvpzm4bkiaMQgAlSQDxgJU2D9BRnDt7wia8:hDRv1m4bnQgISQNgJU2hvt7wy
TLSH 2814E8E820E97C9EC90732317EFA8BBF90804E9E11628979573933593EFB139B275115
Reporter Cryptolaemus1
Tags:doc Emotet epoch3 Heodo


Avatar
Cryptolaemus1
Emotet epoch3 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
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
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/438061
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
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
Writes to foreign memory regions
Yara detected Emotet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271517 Sample: BTiIBW2cBf._doc Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 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 7 other signatures 2->56 7 powershell.exe 14 20 2->7         started        12 svchost.exe 3 8 2->12         started        14 svchost.exe 2->14         started        16 11 other processes 2->16 process3 dnsIp4 40 givingthanksdaily.com 50.31.160.160, 49728, 80 SERVERCENTRALUS United States 7->40 42 taliedaran.ir 217.144.104.20, 49729, 80 NETMIHANIR Iran (ISLAMIC Republic Of) 7->42 38 C:\Users\user\AppData\Local\...\Us6tez.exe, PE32 7->38 dropped 64 Powershell drops PE file 7->64 18 Us6tez.exe 2 7->18         started        21 conhost.exe 7->21         started        23 WerFault.exe 12->23         started        25 WerFault.exe 12->25         started        66 Changes security center settings (notifications, updates, antivirus, firewall) 14->66 27 MpCmdRun.exe 14->27         started        44 192.168.2.1 unknown unknown 16->44 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 29 Windows.UI.Input.Inking.Analysis.exe 12 18->29         started        32 WerFault.exe 6 9 18->32         started        34 WerFault.exe 18->34         started        62 Writes to foreign memory regions 23->62 36 conhost.exe 27->36         started        process9 dnsIp10 46 173.94.215.84, 80 TWC-11426-CAROLINASUS United States 29->46 48 85.25.207.108, 49745, 8080 GD-EMEA-DC-SXB1DE Germany 29->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 13:02:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzeqytrljkfulfdoqkivqgv4kijzgezie6nqbixw2k3sl2mkzeja._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200819-z8y15rshrs/
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/b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912

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 b6490c4e2b4a8b45946e8291581abc5213931328279b00a2f6d2b725e98ac912

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436557/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/436580/
  
URLhaus
https://urlhaus.abuse.ch/url/434648/
  
URLhaus
https://urlhaus.abuse.ch/url/434749/

Comments