MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55d4a00cac25d7c4b8a9313a5e777051554443c4dd24d9ef43299a6cfee82284. 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


Intelligence 7 File information Yara 4 Comments

SHA256 hash: 55d4a00cac25d7c4b8a9313a5e777051554443c4dd24d9ef43299a6cfee82284
SHA3-384 hash: 8ee3bd3397180e020474571eb5741b2598d59368492ae5252893f1f75a8270a0027d94ea38e22ae6a00c86ce301ce535
SHA1 hash: 359e86979b15d729410850b99e749f8887cbe171
MD5 hash: f9b91fee08c01f6cbc69baac3afd1e06
humanhash: quiet-batman-happy-connecticut
File name:SecuriteInfo.com.W97M.DownLoader.4729.14228.5024
Download: download sample
Signature Heodo
File size:176'709 bytes
First seen:2020-08-01 19:37:10 UTC
Last seen:2020-08-02 07:35:18 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:74PrXcuQuvpzm4bkiaMQgAlSzlILHfxpHf7j:0DRv1m4bnQgISzlIL/xpHf7j
TLSH 2A04190470DDEC53D6920AB32EABCF68B2A87C101F78A116351E376E6FB51B461BC395
Reporter @SecuriteInfoCom
Tags:Emotet Heodo

Intelligence


File Origin
# of uploads :
2
# of downloads :
43
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
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
Creating a process from a recently created file
Moving a file to the Windows subdirectory
Creating a service
Connection attempt
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
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 randomly named variables
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
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
Yara detected Emotet
Yara detected Emotet Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255714 Sample: SecuriteInfo.com.W97M.DownL... Startdate: 02/08/2020 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious encrypted Powershell command line found 2->45 47 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->47 49 8 other signatures 2->49 7 powershell.exe 14 18 2->7         started        12 701.exe 6 2->12         started        14 svchost.exe 2->14         started        16 6 other processes 2->16 process3 dnsIp4 35 jambino.us 67.20.112.81, 49694, 80 UNIFIEDLAYER-AS-1US United States 7->35 37 www.kappetijn.eu 195.8.208.194, 49695, 80 DUOCAST-ASNL Netherlands 7->37 27 C:\Users\user\701.exe, PE32 7->27 dropped 29 PowerShell_transcr....20200802002202.txt, UTF-8 7->29 dropped 51 Drops PE files to the user root directory 7->51 53 Creates processes via WMI 7->53 55 Powershell drops PE file 7->55 18 conhost.exe 7->18         started        39 192.168.2.1 unknown unknown 12->39 57 Drops executables to the windows directory (C:\Windows) and starts them 12->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->59 20 iprop.exe 16 12->20         started        61 Changes security center settings (notifications, updates, antivirus, firewall) 14->61 23 MpCmdRun.exe 1 14->23         started        41 127.0.0.1 unknown unknown 16->41 file5 signatures6 process7 dnsIp8 31 198.57.203.63, 49701, 8080 UNIFIEDLAYER-AS-1US United States 20->31 33 187.64.128.197, 80 CLAROSABR Brazil 20->33 25 conhost.exe 23->25         started        process9
Threat name:
Document-Word.Trojan.LEmoDldr
Status:
Malicious
First seen:
2020-07-30 22:39:22 UTC
AV detection:
21 of 31 (67.74%)
Threat level
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Behaviour
Suspicious Office macro

Yara Signatures


Rule name:ach_Heodo_doc_gen
Author:abuse.ch
Description:Detects Heodo 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
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

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 55d4a00cac25d7c4b8a9313a5e777051554443c4dd24d9ef43299a6cfee82284

(this sample)

  
Delivery method
Distributed via web download

Comments