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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f
SHA3-384 hash: 7d8bfbe36211f66eb122f83b97708825659e5fb711977b9614dca73f4efdd475c3d662348b5dae3b0505abf0389c1b76
SHA1 hash: 229e204531c673d26eb5bd00d0551918b62a46e8
MD5 hash: 52c1136f8c4c9b1106937abb60e42f92
humanhash: november-victor-victor-crazy
File name:Termination letter 4836.xlsb
Download: download sample
Signature Dridex
Create hunting rule
File size:97'302 bytes
First seen:2021-11-21 17:03:29 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:1WvXuW4yIW+yPFFxgFzx5YVqHS2YzayhpSW4vHR05Q4r5UZKUbO2s:wvXuWJhQFzIsj8aipSW4vHREQ4iZKUbe
TLSH T1BB93010BC5EE587CC0E698FF46C128E15A39055E2506B93F7C6D42E82B361CF678E139
Reporter cocaman
Tags:Dridex xlsb xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: "Forensic Accountant <forensic_accountant@freshbooks.com>" (likely spoofed)
Received: "from postfix-inbound-4.inbound.mailchannels.net (inbound-egress-5.mailchannels.net [199.10.31.237]) "
Date: "Mon, 15 Nov 2021 18:22:36 GMT"
Subject: "Employee termination announcement-4836"
Attachment: "Termination letter 4836.xlsb"

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Termination letter 4836.xlsb
Verdict:
No threats detected
Analysis date:
2021-11-21 17:09:55 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/563b4a56-09e0-4bd8-85b1-8e32ced5ebff

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:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Searching for the window
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dridex icedid mshta
Link:
https://www.filescan.io/uploads/619a7c0794a88037d2fcba16/reports/f2f972c2-43a1-481f-b56d-e6c1806d3774/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/893379
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: 525868 Sample: Termination letter 4836.xlsb Startdate: 21/11/2021 Architecture: WINDOWS Score: 84 23 Multi AV Scanner detection for submitted file 2->23 25 Found malicious Excel 4.0 Macro 2->25 27 Contains functionality to create processes via WMI 2->27 29 5 other signatures 2->29 6 EXCEL.EXE 8 10 2->6         started        10 mshta.exe 9 2->10         started        12 mshta.exe 9 2->12         started        process3 file4 19 C:\Users\...\~$Termination letter 4836.xlsb, data 6->19 dropped 21 C:\ProgramData\fnsfunsfgrgnkjfsgnd.rtf, HTML 6->21 dropped 31 Creates and opens a fake document (probably a fake document to hide exploiting) 6->31 14 WMIC.exe 6->14         started        17 WMIC.exe 6->17         started        signatures5 process6 signatures7 33 Creates processes via WMI 14->33
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f/
Threat name:
Document-Excel.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-11-16 17:25:55 UTC
File Type:
Document
Extracted files:
20
AV detection:
14 of 45 (31.11%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qeukjf3h5znl3ak2a52gvgo3f23m53q3muxbk3m3d64pw2qm5hq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/211121-vlaemshbe3/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
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/d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f

File information

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

Malspam

Dridex

Excel file xlsx d4094524bb3f72d5ec0ad03ba354ced975b67770db2970ab6cd8fdc7db50674f

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex
Cape
Cape
https://www.capesandbox.com/analysis/207961/

Comments