MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f8f1b26324ea0f3f566fbdcb4a61eb92d054ccf0300c52b3549c774056b8f02. 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: 9


Maldoc score: 19


Intelligence 9 IOCs YARA 1 File information Comments 1

SHA256 hash: 6f8f1b26324ea0f3f566fbdcb4a61eb92d054ccf0300c52b3549c774056b8f02
SHA3-384 hash: f79866caf1d74d41dc895b1be1f4cae4895c6521a0b75f925e358a6c5b0441dfb2fc3a60e7e5de002f6c412db8fef1b0
SHA1 hash: ae7e4df26092d9acf01b732c8144f0170ccc6556
MD5 hash: 40425d09e54ff26289dd074649f0cad9
humanhash: west-alabama-fish-connecticut
File name:40425d09e54ff26289dd074649f0cad9
Download: download sample
Signature Dridex
File size:728'064 bytes
First seen:2021-07-14 17:53:42 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 12288:IRYbXrlUc6XS/CwRl+4MW1H5onZHBDznxcp/c0UGtkbByxlFYd2Drpkk:LUc6EjDMW1UrDjxcNcfgZI2
TLSH T114F448E5ABA4CDB5EB01C1718C9D1A586374CC118A49AFC77255B03CFF3BB798E88186
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
Sections: 10

The following OLE sections have been found using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2256 bytesDocumentSummaryInformation
3268 bytesSummaryInformation
4711057 bytesWorkbook
5422 bytes_VBA_PROJECT_CUR/PROJECT
662 bytes_VBA_PROJECT_CUR/PROJECTwm
7977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
82109 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
92623 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
10515 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba
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 :
125
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40425d09e54ff26289dd074649f0cad9
Verdict:
No threats detected
Analysis date:
2021-07-14 17:55:44 UTC
Tags:
macros macros-on-open

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Alert level:
9%
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:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Microsoft Office creates scripting files
Multi AV Scanner detection for dropped file
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
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect virtualization through RDTSC time measurements
Uses known network protocols on non-standard ports
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
Threat name:
Script.Infostealer.Dridex
Status:
Malicious
First seen:
2021-07-14 17:54:05 UTC
File Type:
Document
Extracted files:
16
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dridex botnet:22202 botnet evasion loader trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Checks whether UAC is enabled
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
202.29.60.34:443
66.175.217.172:13786
78.46.78.42:9043

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

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 6f8f1b26324ea0f3f566fbdcb4a61eb92d054ccf0300c52b3549c774056b8f02

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-14 17:53:43 UTC

url : hxxp://webservicesamazin.com:8088/themes/Invoice%20720710%20from%20Quickbooks,%20LLC.xls