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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9. 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


Dridex


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9
SHA3-384 hash: d3389045c366d74c6ae7c5282079f31deca0038333ea4cc11b5a8d55e8fc325c83e0836a7230e58df76bb195d1659625
SHA1 hash: ac5e27898cf9667792953d7df70fb86417b8841c
MD5 hash: 0279851b032cc96691808f587f953a6a
humanhash: sink-sodium-golf-california
File name:Termination 30033.xlsb
Download: download sample
Signature Dridex
Create hunting rule
File size:50'759 bytes
First seen:2021-11-21 17:03:56 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:1WXeMjCSnkLSfUMPiDbzNLo6CW2Z53SAPaWbpi3lV16BPNgcd/Uxu5oOKj:1WLCSkLSfUMPIbZ853SAJbpi1yWGUSor
TLSH T13F33E16B4A26780FC014BD7B8754CCF2345574F99905E61924957FCB02EB0C3EBAE1A7
Reporter cocaman
Tags:Dridex xlsb xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: "Insurance Accountant <insurance_accountant@freshbooks.zendesk.com>" (likely spoofed)
Received: "from vmi580509.contaboserver.net (vmi580509.contaboserver.net [144.91.117.248]) "
Date: "Mon, 15 Nov 2021 19:10:19 +0100"
Subject: "Termination of Employment-30033"
Attachment: "Termination 30033.xlsb"

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Termination 30033.xlsb
Verdict:
No threats detected
Analysis date:
2021-11-21 17:06:21 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/53f7d89b-dd85-4330-b74a-b5e6c1360556

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Gathering data
Detection(s):
TwinWave.EvilDoc.XL4SilentYoGotMe.20210520.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4MDridexYourStringShilouette.20211115.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4MDridexRunningDownTheDream.20211115.UNOFFICIAL
Create hunting rule

securiteinfo.com.xls4.icedid.42146.12007.16787.UNOFFICIAL
Create hunting rule

securiteinfo.com.xls4.icedid.42146.24744.28531.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mshta
Link:
https://www.filescan.io/uploads/619a7c0894a88037d2fcba18/reports/39c7ea6d-4396-4916-a21a-59abc6f90dc1/overview
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/893378
Signature
Contains functionality to create processes via WMI
Creates and opens a fake document (probably a fake document to hide exploiting)
Creates processes via WMI
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Found malicious Excel 4.0 Macro
Found protected and hidden Excel 4.0 Macro sheet
Multi AV Scanner detection for submitted file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 525854 Sample: Termination 30033.xlsb Startdate: 21/11/2021 Architecture: WINDOWS Score: 84 33 Multi AV Scanner detection for submitted file 2->33 35 Found malicious Excel 4.0 Macro 2->35 37 Contains functionality to create processes via WMI 2->37 39 5 other signatures 2->39 6 EXCEL.EXE 31 14 2->6         started        10 mshta.exe 9 2->10         started        12 mshta.exe 9 2->12         started        14 2 other processes 2->14 process3 file4 25 C:\Users\user\...\~$Termination 30033.xlsb, data 6->25 dropped 27 C:\Users\...\Termination 30033.xlsb.. (copy), Microsoft 6->27 dropped 29 C:\ProgramData\fnsfunsfgrgnkjfsgnd.rtf, HTML 6->29 dropped 41 Creates and opens a fake document (probably a fake document to hide exploiting) 6->41 16 WMIC.exe 6->16         started        19 WMIC.exe 6->19         started        21 WMIC.exe 6->21         started        23 WMIC.exe 6->23         started        signatures5 process6 signatures7 31 Creates processes via WMI 16->31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9/
Threat name:
Document-Excel.Downloader.EncDoc
Create hunting rule
Status:
Malicious
First seen:
2021-11-16 16:13:39 UTC
File Type:
Document
Extracted files:
20
AV detection:
16 of 44 (36.36%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ur7dg5ymgmqupme4veqgk7rxir4t3pcm33viwxqxvzajxx2jgpmq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/211121-vlaemsebfl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Dridex

Excel file xlsx a47e33770c332147b09ca920657e3744793dbc4cdeea8b5e17ae409bdf4933d9

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex
Cape
Cape
https://www.capesandbox.com/analysis/207962/

Comments