MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e08fa4239a4c5ed68a5efd79953489da0ba5c3505c19888be83533dea837f99c. 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: 11


Maldoc score: 13


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: e08fa4239a4c5ed68a5efd79953489da0ba5c3505c19888be83533dea837f99c
SHA3-384 hash: d2bb48e981078057c43cc104e118f2563317575e56819cdffaa154e158f3362f5bc34f8129f291334b0f0ba2c6888c73
SHA1 hash: c5df03d08806f1faa990ea3a71ac447aecc7185c
MD5 hash: 86a156d545f23e81be35433443bb6da2
humanhash: queen-ohio-lithium-skylark
File name:Invoice_020634.xlsm
Download: download sample
Signature Dridex
File size:74'783 bytes
First seen:2021-07-27 08:48:41 UTC
Last seen:2021-07-27 10:03:34 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:RqC5NWdYP2Li3WF0w+rJxYwGNTfdgDYaBzvKnisNJWqJoOFMc:RqHyui3M0wi2pgDBgWq6OH
TLSH T15973C0C54E921346D3F81832C306EA78854F742B2773DAB68C62A309055E5E236FF57B
Reporter JAMESWT_WT
Tags:Dridex xlsm

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: 13
OLE dump

MalwareBazaar was able to identify 7 sections in this file using oledump:

Section IDSection sizeSection name
A1426 bytesPROJECT
A262 bytesPROJECTwm
A3977 bytesVBA/Sheet1
A41708 bytesVBA/ThisWorkbook
A52567 bytesVBA/_VBA_PROJECT
A6515 bytesVBA/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
SuspiciousOpenMay open a file
SuspiciousOutputMay write to a file (if combined with Open)
SuspiciousShellMay run an executable file or a system command
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_020634.xlsm
Verdict:
Malicious activity
Analysis date:
2021-07-27 08:49:55 UTC
Tags:
macros macros-on-open loader

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:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process with a hidden window
Sending a UDP request
DNS request
Connection attempt
Launching a process
Launching a process by exploiting the app vulnerability
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...
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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
Found PHP interpreter
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)
Uses known network protocols on non-standard ports
Yara detected Dridex unpacked file
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
Gathering data
Threat name:
Document-Office.Infostealer.Dridex
Status:
Malicious
First seen:
2021-07-27 02:27:47 UTC
File Type:
Document
Extracted files:
21
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dridex botnet:22201 botnet evasion loader macro trojan
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
Checks whether UAC is enabled
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
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:DridexLoader
Author:kevoreilly
Description:Dridex v4 dropper C2 parsing function
Rule name:DridexV4
Author:kevoreilly
Description:Dridex v4 Payload
Rule name:MALWARE_Win_DLLLoader
Author:ditekSHen
Description:Detects unknown DLL Loader
Rule name:win_doppeldridex_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.doppeldridex.
Rule name:win_dridex_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.dridex.

File information


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

Web download

Dridex

Excel file xlsm e08fa4239a4c5ed68a5efd79953489da0ba5c3505c19888be83533dea837f99c

(this sample)

  
Delivery method
Distributed via web download

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