MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6. 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: ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6
SHA3-384 hash: dfea1e66b1c499fc25b6b00893b61a1e541416b0e1444cb7403ff21f6854235444db31cd11460b20a0497cb1f3ca1666
SHA1 hash: eab297d0379390e2b9ea4cd24da492c80e9f1bca
MD5 hash: 5db985813f317202bd912206f50c1b3b
humanhash: neptune-minnesota-london-minnesota
File name:emotet_e2_ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6_2020-08-19__112445._doc
Download: download sample
Signature Heodo
Create hunting rule
File size:259'834 bytes
First seen:2020-08-19 11:26:07 UTC
Last seen:2020-08-19 11:26:31 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:Ij6yw1MgpQiBhGWb6esLbTh8YuyDRBFtdfGkQYzRgjpShJ1we+:IHgtEWPsL/aTyT9GkQYClSP1we+
TLSH CD446DD951E93E5EDD0732307AB59BBF50908E4D2A11857A633A375D3EFF039A27200A
Reporter Cryptolaemus1
Tags:doc Emotet epoch2 Heodo


Avatar
Cryptolaemus1
Emotet epoch2 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
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
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:
Emotet
Create hunting rule
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/437704
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
PowerShell case anomaly found
Powershell drops PE file
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: 271361 Sample: DLsc7xcTHe._doc Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 44 Malicious encrypted Powershell command line found 2->44 46 Yara detected Emotet 2->46 48 Very long command line found 2->48 50 5 other signatures 2->50 7 powershell.exe 14 20 2->7         started        12 svchost.exe 3 8 2->12         started        14 svchost.exe 2->14         started        16 9 other processes 2->16 process3 dnsIp4 40 easma.cn 122.51.57.193, 49726, 80 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 7->40 38 C:\Users\user\AppData\Local\...\Yy5m4s.exe, PE32 7->38 dropped 58 Powershell drops PE file 7->58 18 Yy5m4s.exe 2 7->18         started        21 conhost.exe 7->21         started        23 WerFault.exe 12->23         started        25 WerFault.exe 12->25         started        60 Changes security center settings (notifications, updates, antivirus, firewall) 14->60 27 MpCmdRun.exe 14->27         started        file5 signatures6 process7 signatures8 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 29 xwtpw32.exe 12 18->29         started        32 WerFault.exe 6 9 18->32         started        34 WerFault.exe 18->34         started        56 Writes to foreign memory regions 23->56 36 conhost.exe 27->36         started        process9 dnsIp10 42 70.121.172.89, 49731, 80 TWC-11427-TEXASUS United States 29->42
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6/
Threat name:
Document-Word.Dropper.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 11:28:05 UTC
AV detection:
11 of 48 (22.92%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=54hfeflrad63eqnztdu6a5jlxtx2qp63qrpd4o57kqbz6s3ga7la._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200819-7h94c1shds/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6

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 ef0e52157100fdb241b998e9e0752bbcefa83fdb845e3e3bbf54039f4b6607d6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/436463/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/434546/

Comments