🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950. 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: 6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950
SHA3-384 hash: 9bd1932e0c1d85097c61b1f7da311253cdd77834d96b81ddacf9e1e38a9af4b1185f925934033fb167a2ebc2a107428d
SHA1 hash: d0efbdf0de617524224bca0be9bc71169b24a0de
MD5 hash: 8e63b009f1c93be0269676c742359a83
humanhash: ceiling-potato-nitrogen-eleven
File name:Termination details-31923.xlsb
Download: download sample
Signature Dridex
Create hunting rule
File size:65'577 bytes
First seen:2021-11-21 17:00:30 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:1WKSuZHQK0HQ2vJJRPFwJpvc1e+BwT8YIbDMz+1d6xciS6qPF:w9umlHQ2mMrbDu+1d6xciS6qPF
TLSH T1DF5302CDCA949858CA6EA1FFF82E1FA16C6B51007181C1AB2C8DDAD497B17171F1E932
Reporter cocaman
Tags:Dridex xlsb xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: "Tax Preparer <tax_preparer@alert.u55P.app.anaplan.com.com>" (likely spoofed)
Received: "from vmi642368.contaboserver.net (vmi642368.contaboserver.net [75.119.153.121]) "
Date: "Mon, 15 Nov 2021 15:24:17 +0100"
Subject: "Termination Letter November 31923"
Attachment: "Termination details-31923.xlsb"

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Termination details-31923.xlsb
Verdict:
No threats detected
Analysis date:
2021-11-21 17:07:40 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/22032cfd-3dee-404d-88f4-0258f4e9e403

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
DNS 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/6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
icedid mshta
Link:
https://www.filescan.io/uploads/619a7b5294a88037d2fcb934/reports/25afa588-8b8a-454f-9540-e730b6499e72/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/893464
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: 525938 Sample: Termination details-31923.xlsb Startdate: 21/11/2021 Architecture: WINDOWS Score: 84 31 Multi AV Scanner detection for submitted file 2->31 33 Found malicious Excel 4.0 Macro 2->33 35 Contains functionality to create processes via WMI 2->35 37 5 other signatures 2->37 6 EXCEL.EXE 8 10 2->6         started        10 mshta.exe 9 2->10         started        12 mshta.exe 9 2->12         started        14 3 other processes 2->14 process3 file4 25 C:\Users\...\~$Termination details-31923.xlsb, data 6->25 dropped 27 C:\ProgramData\fnsfunsfgrgnkjfsgnd.rtf, HTML 6->27 dropped 39 Creates and opens a fake document (probably a fake document to hide exploiting) 6->39 16 WMIC.exe 6->16         started        19 WMIC.exe 6->19         started        21 WMIC.exe 6->21         started        23 2 other processes 6->23 signatures5 process6 signatures7 29 Creates processes via WMI 16->29
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950/
Threat name:
Document-Excel.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-11-16 18:05:41 UTC
File Type:
Document
Extracted files:
20
AV detection:
10 of 44 (22.73%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nm7prrdskfntlh5jf7ctpipkcluis2k7hib42ptffysmkd7bffia._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/211121-vjjwashbd7/
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/6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950

File information

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

Malspam

Dridex

Excel file xlsx 6b3ef8c472515b359fa92fc537a1ea12e889695f3a03cd3e652e24c50fe12950

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex
Cape
Cape
https://www.capesandbox.com/analysis/207956/

Comments