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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225. 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: 799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225
SHA3-384 hash: ffa8ffbf6bc6bb9c4773f43bade443d258ee9f887561bb661001ad1d270a1fcd512ec1402adebb437184e508be558001
SHA1 hash: afee44b4cc7b9ea8be8e322edca52e7f7c5cde8d
MD5 hash: 7dc903831805e19dcfacd1cfa82a9c54
humanhash: eleven-fix-foxtrot-skylark
File name:Termination letter_19992.xlsb
Download: download sample
Signature Dridex
Create hunting rule
File size:78'253 bytes
First seen:2021-11-21 16:51:30 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:1Wlr0swV8SXjS+tzPpPZZKz/1eCzbqzLkh/OPvTFVsp99fGJ0x1:wlr03VThtzPbEz/9qGWPvZVsp9Fvx1
TLSH T1A873F11F8E69A1AAC73DDC3E020E2DB27E18D59135C0C3EB94ADE65C15F6343674A05E
Reporter cocaman
Tags:Dridex xlsb xlsx


Avatar
cocaman
Malicious email (T1566.001)
From: "Vice President <vice_president@us5e.appp.amaplan.com.com>" (likely spoofed)
Received: "from p15142392.pureserver.info (unknown [212.227.104.244]) "
Date: "Mon, 15 Nov 2021 16:32:13 +0100"
Subject: "Employee termination announcement-19992"
Attachment: "Termination letter_19992.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_19992.xlsb
Verdict:
No threats detected
Analysis date:
2021-11-21 17:05:21 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/9b46ce19-4514-4a19-9fdc-c27058a60296

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
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/799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225/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/619a7935398e2553d2ffea19/reports/16ae7a2e-68c6-45a5-9cc3-2f2f10f57e05/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/893373
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: 525865 Sample: Termination letter_19992.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 12 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 letter_19992.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/799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225/
Threat name:
Document-Excel.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-11-15 16:12:55 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=pgpv5dolp5dpvifrz7u2felvhg7twzvdozdy5mbhbwunqbks4isq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/211121-vdd3vshbc4/
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/799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225

File information

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

Malspam

Dridex

Excel file xlsx 799f5e8dcb7f46faa0b1cfe9a2917539bf3b66a376478eb0270da8d80552e225

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex
Cape
Cape
https://www.capesandbox.com/analysis/207952/

Comments