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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724
SHA3-384 hash: 649b1e33c2f82b0ddbb42f156a1e90d5a3aed0777f5cddd38dfc93f25b0737f6eb19a1e6d1296dea4bda75700724657e
SHA1 hash: 5fe60d57237548f62e3313d03e5e056184204ed5
MD5 hash: 8dde09c78579caeb7c420b4dcd2be8da
humanhash: fillet-bravo-colorado-white
File name:act corrections12-2021-252405.xlsm
Download: download sample
Signature Dridex
Create hunting rule
File size:90'567 bytes
First seen:2021-12-06 17:24:00 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:RvrjYDRh+0dsY9bduAMW/PpKiYp+mZf3sbZYPTQk+X7+RUuYdbY4qpqdIs:trstM+Z9cAlpy3f3sdMT/+XCR684qpqn
TLSH T1609302189157D884D2FBA87D5A0585F4E805ED20863073CFD5DEBC2AD6F08FBA771928
Reporter GovCERT_CH
Tags:Dridex xlsm

Intelligence

File Origin
# of uploads :
1
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
act corrections12-2021-252405.xlsm
Verdict:
No threats detected
Analysis date:
2021-12-06 17:31:54 UTC
Tags:
macros40
Link:
https://app.any.run/tasks/d65c5c51-5b3a-49f3-94d3-cc8bdea679ea

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:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/211887/
Detection(s):
SecuriteInfo.com.MSOffice.DdeExec-3.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EnjoyTheSilence.M2.20210317.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XLMSumBodyToLove.M2.032421.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DridexNoParticularPlaceToGo.20210816.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DridexTellMeWhatUWantWhatUReallyReallyWant.20210827.UNOFFICIAL
Create hunting rule

securiteinfo.com.xls4.icedid.42146.12007.16787.UNOFFICIAL
Create hunting rule

securiteinfo.com.xls4.icedid.42146.24744.28531.UNOFFICIAL
Create hunting rule

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
Link:
https://app.docguard.net/a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive wscript xlm
Link:
https://www.filescan.io/uploads/61ae47354d8e6f3a5e14e933/reports/dad7e020-756b-46e8-8f10-5d1ce77f72f3/overview
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/902511
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 534994 Sample: act corrections12-2021-2524... Startdate: 06/12/2021 Architecture: WINDOWS Score: 96 39 Multi AV Scanner detection for submitted file 2->39 41 Potential malicious VBS script found (has network functionality) 2->41 43 Contains functionality to create processes via WMI 2->43 45 6 other signatures 2->45 6 EXCEL.EXE 8 12 2->6         started        10 explorer.exe 2 2->10         started        12 explorer.exe 2->12         started        14 6 other processes 2->14 process3 file4 33 C:\...\~$act corrections12-2021-252405.xlsm, data 6->33 dropped 35 C:\ProgramData\ZyioBaLqnpr.vbs, ASCII 6->35 dropped 47 Document exploit detected (creates forbidden files) 6->47 49 Microsoft Office drops suspicious files 6->49 16 WMIC.exe 6->16         started        19 WMIC.exe 6->19         started        21 WMIC.exe 6->21         started        23 WMIC.exe 6->23         started        25 wscript.exe 10->25         started        27 wscript.exe 12->27         started        29 wscript.exe 14->29         started        31 wscript.exe 14->31         started        signatures5 process6 signatures7 37 Creates processes via WMI 16->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724/
Threat name:
Document-Excel.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-12-06 17:30:42 UTC
File Type:
Document
Extracted files:
20
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upp2cur3mau3stwalydlptp4jl2h5pyoho6vrtyudjff7qy7c4sa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro xlm
Link:
https://tria.ge/reports/211206-vypp4ahfb3/
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
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a3dfa1523b60/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dridex
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724

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
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule

File information

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

Malspam

Dridex

Excel file xlsm a3dfa1523b6029b94ec05e06b7cdfc4af47ebf0e3bbd58cf141a4a5fc31f1724

(this sample)

  
Dropped by
Dridex
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/211887/

Comments