MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1406094b5aaea926ba2700a23f6c7924c1735b1c69cd5dd30fccae1cea72595. 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


Maldoc score: 19


Intelligence 7 IOCs YARA 1 File information Comments 1

SHA256 hash: f1406094b5aaea926ba2700a23f6c7924c1735b1c69cd5dd30fccae1cea72595
SHA3-384 hash: bf3fa1347d642bfd34afc498ed0a4449e71f185e619b665b09faa85e4f4407ad0f914f587095837ea48c779de5f52f3e
SHA1 hash: cf5a8d760c40882cd46f357b8bbf89a6474088bb
MD5 hash: 17740d73d9ddbd8d456916749e894e8e
humanhash: carpet-diet-mississippi-emma
File name:17740d73d9ddbd8d456916749e894e8e
Download: download sample
Signature Dridex
File size:724'992 bytes
First seen:2021-07-15 00:55:27 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 12288:BRYbXrlUc6XS/CwRl+4MW1H5onZHBDznxcp/c0UGtkbByxlFYd2DrpQ:CUc6EjDMW1UrDjxcNcfgZI2
TLSH T1E8F459E5ABA4CDB5DB01C1718C9D1A586374CC118A49AFC77265B03CFF3BB798E88186
Reporter zbetcheckin
Tags:Dridex excel 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: 19
Application name is Microsoft Excel
Office document is in OLE format
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 10 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2256 bytesDocumentSummaryInformation
3268 bytesSummaryInformation
4708087 bytesWorkbook
5422 bytes_VBA_PROJECT_CUR/PROJECT
662 bytes_VBA_PROJECT_CUR/PROJECTwm
7977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
82086 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
92647 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
10515 bytes_VBA_PROJECT_CUR/VBA/dir
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
AutoExecWorkBook_OpenRuns when the Excel Workbook is opened
SuspiciousEnvironMay read system environment variables
SuspiciousWriteMay write to a file (if combined with Open)
SuspiciousCreateTextFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousWscript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousExecMay run an executable file or a system
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
edibleupcountry.com
WorkBook
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
InQuest Machine Learning
An InQuest machine-learning model classified this macro as potentially malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Machine Learning detection for sample
Microsoft Office creates scripting files
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
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Threat name:
Script.Trojan.Valyria
Status:
Malicious
First seen:
2021-07-15 00:44:25 UTC
File Type:
Document
Extracted files:
16
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information


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

Web download

Dridex

Excel file xlsx f1406094b5aaea926ba2700a23f6c7924c1735b1c69cd5dd30fccae1cea72595

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-15 00:55:27 UTC

url : hxxp://insiderushings.com:8088/styles/Invoice%20865978%20from%20Quickbooks,%20LLC.xls