MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb8f3fa5d462f85628b0330a2096b4ac02c1c469729a17c59f34f252b737b5c. 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

SHA256 hash: 8fb8f3fa5d462f85628b0330a2096b4ac02c1c469729a17c59f34f252b737b5c
SHA3-384 hash: e51645812fcec176323ff8b61da9283d14c7cedfdd77067065e0d2ee7d01dee0cba4f45d2206661e264867431ee70981
SHA1 hash: e0e39572af9fe58dcc06d84da93fc2159bbf05ac
MD5 hash: d8b3fb2871f2fe6e100279cfbf004fb5
humanhash: mobile-friend-stream-salami
File name:emotet_e2_8fb8f3fa5d462f85628b0330a2096b4ac02c1c469729a17c59f34f252b737b5c_2020-08-19__045520._doc
Download: download sample
Signature Heodo
File size:178'255 bytes
First seen:2020-08-19 04:56:42 UTC
Last seen:2020-08-19 04:57:06 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:e4PrXcuQuvpzm4bkiaMQgAlS0rUsrG8wsMi:XDRv1m4bnQgIS0rUsrbwsMi
TLSH 9F044BC0209EAFD6CD1E203254FB8DEE53842E1418E6B416371C377CAFB56B2F669A15
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
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
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:
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
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
Yara detected Emotet
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 270810 Sample: 133U70Nq2m._doc Startdate: 19/08/2020 Architecture: WINDOWS Score: 100 40 Malicious encrypted Powershell command line found 2->40 42 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->42 44 Yara detected Emotet 2->44 46 5 other signatures 2->46 7 powershell.exe 14 20 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        16 11 other processes 2->16 process3 dnsIp4 32 sathobby.com 145.239.70.181, 49727, 80 OVHFR France 7->32 30 C:\Users\user\AppData\Local\...\Kk3n73.exe, PE32 7->30 dropped 52 Powershell drops PE file 7->52 18 Kk3n73.exe 5 7->18         started        21 conhost.exe 7->21         started        54 Changes security center settings (notifications, updates, antivirus, firewall) 12->54 23 MpCmdRun.exe 12->23         started        34 127.0.0.1 unknown unknown 14->34 36 192.168.2.1 unknown unknown 16->36 file5 signatures6 process7 signatures8 48 Drops executables to the windows directory (C:\Windows) and starts them 18->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->50 25 Windows.Devices.WiFiDirect.exe 12 18->25         started        28 conhost.exe 23->28         started        process9 dnsIp10 38 64.183.73.122, 49733, 80 TWC-20001-PACWESTUS United States 25->38
Threat name:
Document-Word.Trojan.Emotet
Status:
Malicious
First seen:
2020-08-19 04:58:06 UTC
AV detection:
20 of 28 (71.43%)
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_20200820
Author:abuse.ch
Description:Detects Heodo DOC
Rule name:ach_Heodo_doc_gen_3
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 8fb8f3fa5d462f85628b0330a2096b4ac02c1c469729a17c59f34f252b737b5c

(this sample)

Comments