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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dea495d5c1c5e0cb56677608b5efa53658cc20bb836f9cccd2aa1092b573aa8. 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 2 File information Comments

SHA256 hash: 4dea495d5c1c5e0cb56677608b5efa53658cc20bb836f9cccd2aa1092b573aa8
SHA3-384 hash: c2de3f047f2064f1c909d9982ab215c10073d0f8e6ccca9a92338a4032b1fe6dac664654b4255c142534fa2d9c589a3f
SHA1 hash: 78c47637b513d11ba6c36b19b9d79f7ee7a86338
MD5 hash: 91eca239ee8b604f18f6fb1ed6cde135
humanhash: october-red-nine-october
File name:Complaint details 143595.xlsb
Download: download sample
Signature Dridex
File size:97'313 bytes
First seen:2021-12-02 12:59:14 UTC
Last seen:2021-12-06 14:53:55 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:8pWBzMgiCxKNyqJfn2pc8EJ8flXchmJQL08Kt2G2G6yv/3GAohPG+rLzrLZu00io:b9ne2pjE2pWmWfBG7DHG5hpnk0lcbdA2
TLSH T14593F28E9127E63DCC2E00FD94D9489E0A65C55A406FC2BB34A67B7CCF93A433B95718
Reporter TeamDreier
Tags:Dridex xlsx

Intelligence


File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Complaint details 143595.xlsb
Verdict:
No threats detected
Analysis date:
2021-12-02 12:59:58 UTC
Tags:
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:
OOXML Excel File with Excel4Macro
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
67%
Tags:
evasive mshta xlm
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 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 obfuscated Excel 4.0 Macro
Found protected and hidden Excel 4.0 Macro sheet
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious MSHTA Process Patterns
Sigma detected: TA505 Dropper Load Pattern
Yara detected Dridex Downloader
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Infostealer.Dridex
Status:
Malicious
First seen:
2021-12-02 13:00:10 UTC
File Type:
Document
Extracted files:
20
AV detection:
17 of 45 (37.78%)
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:ach_Dridex_xls_20200528
Author:abuse.ch
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information


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

Malspam

Dridex

Excel file xlsx 4dea495d5c1c5e0cb56677608b5efa53658cc20bb836f9cccd2aa1092b573aa8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments