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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6a5d4bec8bc88217fea61b21c8b346d80fcbee3dcf602d717f8197cb44ca840. 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


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: d6a5d4bec8bc88217fea61b21c8b346d80fcbee3dcf602d717f8197cb44ca840
SHA3-384 hash: 3e8955b585068df6c708bf75b355d3f7e9179a9432202420888321b9fd62a09c893335da3db5ff34514bd5de3f4b57a2
SHA1 hash: d15fba9c73d97dc6e117222aa054efbe841bab9b
MD5 hash: 515c3151e59823e47555c54efcb79f29
humanhash: shade-mexico-thirteen-nevada
File name:act corrections12-2021-15306565.xlsm
Download: download sample
Signature Dridex
File size:126'506 bytes
First seen:2021-12-06 19:34:56 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:o/eiix7sMlEeFx5rAZhFBQdjDEcvQwhelhlKs1sDd1v:SeivalsZhF+JDEcvedjGDdN
TLSH T138C312C88530142CD88BD0B9665E939F4169A942D74BB5CC2EF63CFD6CA630F6789B70
Reporter GovCERT_CH
Tags:Dridex xlsm

Intelligence


File Origin
# of uploads :
1
# of downloads :
399
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
act corrections12-2021-15306565.xlsm
Verdict:
No threats detected
Analysis date:
2021-12-06 19:42:27 UTC
Tags:
macros40

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Searching for the window
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:
67%
Tags:
evasive wscript xlm
Result
Threat name:
Hidden Macro 4.0
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
Contains functionality to create processes via WMI
Creates processes via WMI
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Found Excel 4.0 Macro with suspicious formulas
Found obfuscated Excel 4.0 Macro
Found protected and hidden Excel 4.0 Macro sheet
Injects code into the Windows Explorer (explorer.exe)
Microsoft Office drops suspicious files
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: WScript or CScript Dropper
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535094 Sample: act corrections12-2021-1530... Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for submitted file 2->50 52 Potential malicious VBS script found (has network functionality) 2->52 54 Contains functionality to create processes via WMI 2->54 56 6 other signatures 2->56 7 EXCEL.EXE 25 22 2->7         started        11 WmiPrvSE.exe 2->11         started        13 explorer.exe 5 2->13         started        15 3 other processes 2->15 process3 file4 44 C:\...\~$act corrections12-2021-15306565.xlsm, data 7->44 dropped 46 C:\ProgramData\MWbwswP.vbs, ASCII 7->46 dropped 58 Document exploit detected (creates forbidden files) 7->58 60 Microsoft Office drops suspicious files 7->60 17 WMIC.exe 1 7->17         started        20 WMIC.exe 1 7->20         started        22 WMIC.exe 1 7->22         started        24 WMIC.exe 7->24         started        62 Injects code into the Windows Explorer (explorer.exe) 11->62 34 4 other processes 11->34 26 wscript.exe 13->26         started        28 wscript.exe 15->28         started        30 wscript.exe 15->30         started        32 wscript.exe 15->32         started        signatures5 process6 signatures7 48 Creates processes via WMI 17->48 36 conhost.exe 17->36         started        38 conhost.exe 20->38         started        40 conhost.exe 22->40         started        42 conhost.exe 24->42         started        process8
Threat name:
Document-Excel.Downloader.EncDoc
Status:
Malicious
First seen:
2021-12-06 19:35:13 UTC
File Type:
Document
Extracted files:
20
AV detection:
16 of 27 (59.26%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  8/10
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 SetWindowsHookEx
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 d6a5d4bec8bc88217fea61b21c8b346d80fcbee3dcf602d717f8197cb44ca840

(this sample)

  
Dropped by
Dridex
  
Delivery method
Distributed via e-mail attachment

Comments