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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dca1061b4c3303f5d09fa47ecb70cec7532ecf1f6205c622a34386f5e2d0a1ee. 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


Maldoc score: 4


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: dca1061b4c3303f5d09fa47ecb70cec7532ecf1f6205c622a34386f5e2d0a1ee
SHA3-384 hash: 682097b0d8d12f6e48975a2248c308549a3e8e4d27d6f547343c7e6be71d1f9055d3e3f5e11917c2a3d0a198a5cf36cf
SHA1 hash: 92da4733157b0b794c03a3338ff1a7436b7a48f5
MD5 hash: be6910686587fe6e152b7f6aa1643e64
humanhash: utah-coffee-cup-video
File name:SecuriteInfo.com.Heur.24222.24366
Download: download sample
Signature Dridex
File size:200'192 bytes
First seen:2021-12-07 16:39:59 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 6144:g96FE76hr0d3n98AdwL3x2bVyyKC7AFjM8L60ddAY5gjwr:nrL60dOY5
TLSH T1CD14C5957BABBAF5C670F6768D9E159097B3DC02162863FF248072283FB05F84C4C699
Reporter SecuriteInfoCom
Tags:Dridex xlsx

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 4
OLE dump

MalwareBazaar was able to identify 4 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2388 bytesDocumentSummaryInformation
3208 bytesSummaryInformation
4194576 bytesWorkbook
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousEXECMay run an executable file or a system
SuspiciousXLM macroXLM macro found. It may contain malicious code

Intelligence


File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Heur.24222.24366
Verdict:
No threats detected
Analysis date:
2021-12-07 16:56:57 UTC
Tags:
macros macros40

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
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Result
Threat name:
Hidden Macro 4.0 Dridex Downloader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Contains functionality to create processes via WMI
Creates processes via WMI
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Found protected and hidden Excel 4.0 Macro sheet
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: WScript or CScript Dropper
Yara detected Dridex Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535758 Sample: SecuriteInfo.com.Heur.24222.24366 Startdate: 07/12/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Dridex Downloader 2->41 43 Potential malicious VBS script found (has network functionality) 2->43 45 6 other signatures 2->45 6 EXCEL.EXE 8 10 2->6         started        10 explorer.exe 2 2->10         started        12 explorer.exe 2->12         started        14 6 other processes 2->14 process3 file4 33 C:\Users\...\SecuriteInfo.com.Heur.24222.xls, Composite 6->33 dropped 35 C:\ProgramData\XxbjvUKPAQZ.vbs, ASCII 6->35 dropped 47 Document exploit detected (creates forbidden files) 6->47 49 Microsoft Office drops suspicious files 6->49 16 WMIC.exe 6->16         started        19 WMIC.exe 6->19         started        21 WMIC.exe 6->21         started        23 WMIC.exe 6->23         started        25 wscript.exe 10->25         started        27 wscript.exe 12->27         started        29 wscript.exe 14->29         started        31 wscript.exe 14->31         started        signatures5 process6 signatures7 37 Creates processes via WMI 16->37
Threat name:
Document-Excel.Infostealer.Dridex
Status:
Malicious
First seen:
2021-12-07 16:40:13 UTC
File Type:
Document
Extracted files:
9
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
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.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Excel_Hidden_Macro_Sheet
Rule name:Excel_Hidden_Macro_Sheet
Rule name:multiple_concats_in_excel4_exec_enjoy_the_silence
Author:Will Metcalf
Description:Behold The Great And Powerful Match Iterator. Multiple Concats with register Function SILENT BUILDER EDITION
Reference:https://blog.reversinglabs.com/blog/excel-4.0-macros
Rule name:multiple_concats_in_excel4_formula_exec_1
Author:Will Metcalf
Description:Behold The Great And Powerful Match Iterator. Multiple Concats Inside of exec Function
Reference:https://blog.reversinglabs.com/blog/excel-4.0-macros

File information


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

Comments