MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c8026d6bd75a1ea091d6a6676d3a7e3bcba3b17717e21607488b9fdb762fba7. 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: 1c8026d6bd75a1ea091d6a6676d3a7e3bcba3b17717e21607488b9fdb762fba7
SHA3-384 hash: b23d180d8163f0637c59359beffc3f660554868562012dd04954b548bd274c55c0ff15cf40121665b3bc4f4cfd0af34f
SHA1 hash: 66320a7f198cad4284e7dd72f3e4457fc60a58f1
MD5 hash: 4f22560ef839a2cbdf19881d01eafda9
humanhash: violet-wolfram-indigo-delaware
File name:SecuriteInfo.com.VBA.Heur.LEmoDldr.1.Gen.26108.14212
Download: download sample
Signature Heodo
File size:177'684 bytes
First seen:2020-08-01 19:37:08 UTC
Last seen:2020-08-02 07:35:24 UTC
File type:Word file docx
MIME type:application/msword
ssdeep 3072:44PrXcuQuvpzm4bkiaMQgAlS3qgCBi/ylA2mLa6zRw1:1DRv1m4bnQgIS3Ci/qSa6z+1
TLSH 52041804A0DDEC53D6920AB32EABCF78B2A87C101F78A116351D376E6FB52B451BC395
Reporter @SecuriteInfoCom
Tags:Emotet Heodo

Intelligence


File Origin
# of uploads :
2
# of downloads :
37
Origin country :
US US
Mail intelligence
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Medium
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 a custom TCP request
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: 255696 Sample: SecuriteInfo.com.VBA.Heur.L... Startdate: 02/08/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious encrypted Powershell command line found 2->47 49 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->49 51 8 other signatures 2->51 7 powershell.exe 14 19 2->7         started        12 188.exe 6 2->12         started        14 svchost.exe 2->14         started        16 11 other processes 2->16 process3 dnsIp4 35 quickwood.com 162.241.214.95, 443, 49721 UNIFIEDLAYER-AS-1US United States 7->35 37 www.sparkcreativeworks.com 23.254.238.132, 443, 49719, 49720 HOSTWINDSUS United States 7->37 39 sparkcreativeworks.com 7->39 27 C:\Users\user\188.exe, PE32 7->27 dropped 29 PowerShell_transcr....20200802000101.txt, UTF-8 7->29 dropped 53 Drops PE files to the user root directory 7->53 55 Creates processes via WMI 7->55 57 Powershell drops PE file 7->57 18 conhost.exe 7->18         started        59 Drops executables to the windows directory (C:\Windows) and starts them 12->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->61 20 netiohlp.exe 16 12->20         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 14->63 23 MpCmdRun.exe 14->23         started        41 127.0.0.1 unknown unknown 16->41 43 192.168.2.1 unknown unknown 16->43 file5 signatures6 process7 dnsIp8 31 198.57.203.63, 49735, 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 20:20:35 UTC
AV detection:
18 of 31 (58.06%)
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 1c8026d6bd75a1ea091d6a6676d3a7e3bcba3b17717e21607488b9fdb762fba7

(this sample)

  
Delivery method
Distributed via web download

Comments