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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef72317656dc01ff09c2fe6ff823f8f6345bdb622693b1d166a7181ac1a2fd3. 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: 3ef72317656dc01ff09c2fe6ff823f8f6345bdb622693b1d166a7181ac1a2fd3
SHA3-384 hash: b99d435c5afdcdf641c80ca5457c680a795d15b9a05cf2142981baf1913d08cf610f261d452022808f4e8e5b5f5dfb44
SHA1 hash: 4731652a07803e5993b0a31f8f5c5d2c884b714a
MD5 hash: 8fb7ef578a16512cd42086c9a209babb
humanhash: colorado-item-equal-single
File name:tips-5067550674.xls
Download: download sample
Signature Dridex
File size:142'618 bytes
First seen:2021-12-03 16:11:13 UTC
Last seen:2021-12-06 14:55:44 UTC
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:Nt0PNuM7dxMlT0h4377gYllmQskO2UMXGVi2e/JjNxSan6NljwSWEx02l9dIND1B:Nt0PNcahmlYOOeRnwNKIde14Adh
TLSH T19ED302C8A563D8EAFDE3A0F6601DADF7487488579A503ACBBCC4B040524A9474397EDF
Reporter TeamDreier
Tags:Dridex xlsx

Intelligence


File Origin
# of uploads :
2
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
tips-5067550674.xls
Verdict:
No threats detected
Analysis date:
2021-12-03 16:27:57 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
Sending a custom TCP 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-Excel.Downloader.EncDoc
Status:
Malicious
First seen:
2021-12-03 16:12:19 UTC
File Type:
Document
Extracted files:
19
AV detection:
19 of 45 (42.22%)
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 xlsx 3ef72317656dc01ff09c2fe6ff823f8f6345bdb622693b1d166a7181ac1a2fd3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments