MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5900771fe96ab3ae58a92effdf774311499cccacae052f64f8b4ead02e3c15c. 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
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SHA256 hash: c5900771fe96ab3ae58a92effdf774311499cccacae052f64f8b4ead02e3c15c
SHA3-384 hash: ae5321ebb8bf64499a78ff3ca4939982c5671be728685a1cd042413190d7934f5679a0a85a20904eea6bc3ceebeea289
SHA1 hash: 0b582885c410e474d2b2ddac8f39610f4fdab15a
MD5 hash: eac96b2e88412c1091e5420669118f1d
humanhash: ten-high-angel-hawaii
File name:Rep_20200807_19089.doc
Download: download sample
Signature Heodo
Create hunting rule
File size:169'301 bytes
First seen:2020-08-07 12:57:11 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 3072:C4PrXcuQuvpzm4bkiaMQgAlSTe5VhwgwIeuRB:jDRv1m4bnQgISTeVwgwIeuRB
TLSH 6EF33C1670D3EE2EF14A65F0484BDE5A3164BC8458C5CE6BFBCC3B6E9BF12A07058664
Reporter JAMESWT_WT
Tags:Emotet Heodo

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilDoc.EmotetWindowSong.20200204.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.WelcomeBackEmotetThatsWhyTheyCallItWindowPain.2020717.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EmotetCROCryLittleSister.20200720.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
Creating a file
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
Possible injection to a system process
Enabling autorun for a service
Launching a process by exploiting the app vulnerability
Sending an HTTP GET request to an infection source
Result
Threat name:
Emotet MailPassView
Create hunting rule
Detection:
malicious
Classification:
phis.bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415224
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Creates processes via WMI
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Emotet Banking Trojan found
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
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
Sets debug register (to hijack the execution of another thread)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Very long command line found
Writes to foreign memory regions
Yara detected Emotet
Yara detected Emotet Downloader
Yara detected MailPassView
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 259867 Sample: Rep_20200807_19089.doc Startdate: 07/08/2020 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Malicious encrypted Powershell command line found 2->66 68 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->68 70 11 other signatures 2->70 8 757.exe 2 2->8         started        11 powershell.exe 14 18 2->11         started        15 svchost.exe 2->15         started        17 8 other processes 2->17 process3 dnsIp4 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->82 19 ucmhc.exe 19 8->19         started        60 dragonfang.com 70.32.23.10, 49721, 80 A2HOSTINGUS United States 11->60 50 C:\Users\user\757.exe, PE32 11->50 dropped 52 PowerShell_transcr....20200807151800.txt, UTF-8 11->52 dropped 84 Drops PE files to the user root directory 11->84 86 Creates processes via WMI 11->86 88 Powershell drops PE file 11->88 24 conhost.exe 11->24         started        26 WerFault.exe 15->26         started        62 127.0.0.1 unknown unknown 17->62 file5 signatures6 process7 dnsIp8 54 116.125.120.88, 443, 49735 SKB-ASSKBroadbandCoLtdKR Korea Republic of 19->54 56 82.76.111.249, 443 RCS-RDS73-75DrStaicoviciRO Romania 19->56 58 2 other IPs or domains 19->58 44 C:\Windows\SysWOW64\...\ucmhcom.exe, PE32+ 19->44 dropped 46 C:\Windows\SysWOW64\...\ucmhcoe.exe, PE32+ 19->46 dropped 48 C:\Windows\SysWOW64\...\poqexeca9f.exe, PE32 19->48 dropped 72 Detected unpacking (changes PE section rights) 19->72 74 Detected unpacking (overwrites its own PE header) 19->74 76 Emotet Banking Trojan found 19->76 80 8 other signatures 19->80 28 poqexeca9f.exe 19->28         started        31 ucmhc.exe 19->31         started        33 ucmhc.exe 19->33         started        35 4 other processes 19->35 78 Writes to foreign memory regions 26->78 file9 signatures10 process11 file12 90 Detected unpacking (changes PE section rights) 28->90 92 Detected unpacking (overwrites its own PE header) 28->92 94 Machine Learning detection for dropped file 28->94 96 Drops executables to the windows directory (C:\Windows) and starts them 28->96 38 poqexeca9f.exe 28->38         started        98 Tries to steal Instant Messenger accounts or passwords 31->98 100 Tries to steal Mail credentials (via file access) 31->100 40 WerFault.exe 33->40         started        42 C:\Users\user\AppData\Local\Temp\691D.tmp, ASCII 35->42 dropped signatures13 process14
Detection:
emotet
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c5900771fe96ab3ae58a92effdf774311499cccacae052f64f8b4ead02e3c15c/
Threat name:
Document-Word.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 12:55:48 UTC
File Type:
Document
Extracted files:
42
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywiao4p6s2vtvzmkslx7353ugekjttgkzlqff5sprnhk2axdyfoa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200807-lw1da1nw7x/
Behaviour
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c5900771fe96ab3ae58a92effdf774311499cccacae052f64f8b4ead02e3c15c

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_gen
Create hunting rule
Author:abuse.ch
Description:Detects Heodo 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
Rule name:SharedStrings
Create hunting rule
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 doc c5900771fe96ab3ae58a92effdf774311499cccacae052f64f8b4ead02e3c15c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/427197/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/426390/

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