MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b685b9baa5ed208c142e70cf07f7dd97d78ae5de3104da2a31c9f2278d4c6bd5. 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 File information Yara 4 Comments

SHA256 hash: b685b9baa5ed208c142e70cf07f7dd97d78ae5de3104da2a31c9f2278d4c6bd5
SHA3-384 hash: 389f836ac9fa9064381c74a4fe37c4480e6929b8b468a1501c602ae3b33aa79b1f76baee0fe470f25efdac17e3c414ba
SHA1 hash: 81946bbfea207753b2a434e2bdb7b2600ffc52aa
MD5 hash: d73a0e6175f48f880b632db663122763
humanhash: steak-enemy-oklahoma-gee
File name:Inv.doc
Download: download sample
Signature Heodo
File size:174'340 bytes
First seen:2020-07-31 19:59:09 UTC
Last seen:2020-07-31 20:32:18 UTC
File type:Word file doc
MIME type:application/msword
ssdeep 3072:y4PrXcuQuvpzm4bkiaMQgAlS6yFSgnLBsKOw:zDRv1m4bnQgIS6ykgnLBsKOw
TLSH 83043A2030B3AC17E64226711CCACD5822EA6F131947D32B374CBB6E5F36A706DB961D
Reporter @Dashowl
Tags:Emotet Heodo


Twitter
@Dashowl
Sender: accounting@enterbnd.com

Intelligence


File Origin
# of uploads :
2
# of downloads :
44
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
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 hexadecimal encoded strings
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 dnsIp2 2 Behavior Graph ID: 255492 Sample: Inv.doc Startdate: 01/08/2020 Architecture: WINDOWS Score: 100 34 g.msn.com 2->34 36 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->36 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 9 other signatures 2->56 8 powershell.exe 14 18 2->8         started        13 432.exe 6 2->13         started        15 svchost.exe 2->15         started        17 9 other processes 2->17 signatures3 process4 dnsIp5 42 moshauer.de 87.230.17.114, 443, 49727 GD-EMEA-DC-SXB1DE Germany 8->42 44 geted.de 5.189.181.169, 49728, 80 CONTABODE Germany 8->44 46 suhailacademy.com 103.227.176.27, 49729, 80 A2HOSTINGUS Singapore 8->46 28 C:\Users\user\432.exe, PE32 8->28 dropped 30 PowerShell_transcr....20200801011126.txt, UTF-8 8->30 dropped 58 Drops PE files to the user root directory 8->58 60 Creates processes via WMI 8->60 62 Powershell drops PE file 8->62 19 conhost.exe 8->19         started        64 Drops executables to the windows directory (C:\Windows) and starts them 13->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->66 21 certmgr.exe 16 13->21         started        68 Changes security center settings (notifications, updates, antivirus, firewall) 15->68 24 MpCmdRun.exe 1 15->24         started        48 192.168.2.1 unknown unknown 17->48 32 C:\Users\user\Desktop\~$Inv.doc, data 17->32 dropped file6 signatures7 process8 dnsIp9 38 198.57.203.63, 49741, 8080 UNIFIEDLAYER-AS-1US United States 21->38 40 187.64.128.197, 80 CLAROSABR Brazil 21->40 26 conhost.exe 24->26         started        process10
Threat name:
Script-Macro.Trojan.LEmoDldr
Status:
Malicious
First seen:
2020-07-31 20:01:04 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
Threat name:
Malicious File
Score:
0.99

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.

Malspam

Heodo

Word file doc b685b9baa5ed208c142e70cf07f7dd97d78ae5de3104da2a31c9f2278d4c6bd5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments