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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 505f387e249bafa28dcebfcd8f1f6be7bb3df935105d92b00a81c3fed473d699. 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 3 File information Comments

SHA256 hash: 505f387e249bafa28dcebfcd8f1f6be7bb3df935105d92b00a81c3fed473d699
SHA3-384 hash: bc9614adffb660e9f4eeb4a9650a594a2f301be7da6f5b1005f8c30b1e29aa7a1cc10d4b5307526c2c619ec8a37f7acb
SHA1 hash: 63a838bad71bbed562c2aa7f3a09cf09a58f1dfc
MD5 hash: aa3ad8ab7cc606550c098eca661c59c0
humanhash: xray-crazy-charlie-hot
File name:57949616735.xlsm
Download: download sample
Signature Dridex
File size:153'409 bytes
First seen:2021-12-01 22:26:08 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:t6PMJxnL4iiPJxsdxMlT0h4377gYllmQskO2UMXGVi2e/JjNxSan6NljwSWEx02h:cUrMhxHahmlYOOeRnwNKIde14hdL
TLSH T130E302C8E523F5DDFCD2A4F9641D9EF54C7808665F50398AFCC4A220A21ED87025BE9B
Reporter GovCERT_CH
Tags:Dridex xlsm

Intelligence


File Origin
# of uploads :
1
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
57949616735.xlsm
Verdict:
No threats detected
Analysis date:
2021-12-01 22:33:40 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.ms-excel.sheet.macroEnabled.12
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:
100%
Tags:
macros-on-open mshta stripped
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 malicious Excel 4.0 Macro
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
Yara detected Dridex Downloader
Behaviour
Behavior Graph:
Threat name:
Document-Office.Downloader.EncDoc
Status:
Malicious
First seen:
2021-12-01 22:27:10 UTC
File Type:
Document
Extracted files:
19
AV detection:
18 of 28 (64.29%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  10/10
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 AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Blocklisted process makes network request
Process spawned unexpected child process
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:Microsoft_XLSX_with_Macrosheet
Rule name:Microsoft_XLSX_with_Macrosheet

File information


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

Malspam

Dridex

Excel file xlsm 505f387e249bafa28dcebfcd8f1f6be7bb3df935105d92b00a81c3fed473d699

(this sample)

  
Dropped by
Dridex
  
Delivery method
Distributed via e-mail attachment

Comments