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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0104974a7bf43e2e31d25ae485f57c62efe89eaea2d3e520db8a76fa70dd956d. 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: 10


Maldoc score: 11


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0104974a7bf43e2e31d25ae485f57c62efe89eaea2d3e520db8a76fa70dd956d
SHA3-384 hash: f9e0017a3669527ed53cef0404402d51d0280662233809aa018e77ae7f94209617e8a92112bd079fed499c0be9eeb8a7
SHA1 hash: fc8a20962b8cf86568b1e85be02ee9c7b62d94b2
MD5 hash: fa5350d4304c4c2ceafa435244b5a5fc
humanhash: five-diet-march-mexico
File name:sample20210111-01.xlsm
Download: download sample
Signature Dridex
Create hunting rule
File size:40'268 bytes
First seen:2021-01-11 17:24:33 UTC
Last seen:2021-01-11 19:24:03 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:1wTZYx6TBDUzVXaI4/ybclX7aV+uFdeq9AQxD2KL0gnp5zFVqJlZ:sa6aVXaPaG7zyvxDhLnzjqJlZ
TLSH A403DF2ACA12F50DC1BACC7DC01819E1769F92517AA3F11DBC99909D1BC1287238EF7E
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: 11
OLE dump

MalwareBazaar was able to identify 23 sections in this file using oledump:

Section IDSection sizeSection name
A1554 bytesPROJECT
A286 bytesPROJECTwm
A33215 bytesVBA/Module1
A41614 bytesVBA/Sheet1
A5999 bytesVBA/ThisWorkbook
A63574 bytesVBA/_VBA_PROJECT
A72060 bytesVBA/__SRP_0
A8187 bytesVBA/__SRP_1
A9363 bytesVBA/__SRP_2
A10398 bytesVBA/__SRP_3
A11820 bytesVBA/dir
B1115 bytesCompObj
B2178 bytesf
B3110 bytesi02/CompObj
B440 bytesi02/f
B50 bytesi02/o
B6110 bytesi03/CompObj
B740 bytesi03/f
B80 bytesi03/o
B9152 byteso
B1048 bytesx
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
AutoExecview_1_a_LayoutRuns when the file is opened and ActiveX objects trigger events
SuspiciousRunMay 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)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousXLM macrosheetXLM macrosheet found. It could contain malicious code

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sample20210111-01.xlsm
Verdict:
Malicious activity
Analysis date:
2021-01-11 15:03:16 UTC
Tags:
macros macros-on-open macros40
Link:
https://app.any.run/tasks/3b26a5a2-e775-463b-8110-08db86da451e

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
Detection(s):
TwinWave.EvilDoc.DridexLivingInTheDaysOfThunder.2021011.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.Split1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file in the %temp% directory
Creating a process with a hidden window
Sending a custom TCP request
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Link:
https://app.docguard.net/0104974a7bf43e2e31d25ae485f57c62efe89eaea2d3e520db8a76fa70dd956d/results/dashboard
Result
Threat name:
Hidden Macro 4.0 Dridex
Create hunting rule
Detection:
malicious
Classification:
expl.evad.bank
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/578209
Signature
Detected Dridex e-Banking trojan
Document contains an embedded VBA macro which may execute processes
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found Excel 4.0 Macro with suspicious formulas
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Anomaly
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338158 Sample: sample20210111-01.xlsm Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Document exploit detected (drops PE files) 2->45 47 7 other signatures 2->47 6 EXCEL.EXE 175 80 2->6         started        process3 dnsIp4 35 osmosisecuador.com 192.185.41.153, 443, 49841 UNIFIEDLAYER-AS-1US United States 6->35 37 bulksms.interweblimited.com 74.220.219.210, 443, 49746 UNIFIEDLAYER-AS-1US United States 6->37 39 sistacweb.com 184.171.244.207, 443, 49772 DIMENOCUS United States 6->39 21 C:\Users\user\AppData\Local\...\xnaitann.dll, PE32 6->21 dropped 23 C:\Users\user\AppData\Local\...\dunjzsby.dll, PE32 6->23 dropped 25 C:\Users\user\AppData\...\u8wa3gh[1].zip, PE32 6->25 dropped 27 3 other malicious files 6->27 dropped 49 Document exploit detected (creates forbidden files) 6->49 51 Document exploit detected (process start blacklist hit) 6->51 53 Document exploit detected (UrlDownloadToFile) 6->53 11 regsvr32.exe 12 6->11         started        14 regsvr32.exe 6->14         started        16 regsvr32.exe 12 6->16         started        19 splwow64.exe 6->19         started        file5 signatures6 process7 dnsIp8 55 System process connects to network (likely due to code injection or exploit) 11->55 57 Detected Dridex e-Banking trojan 14->57 29 5.100.228.233, 3389, 49776, 49780 SENTIANL Netherlands 16->29 31 46.105.131.65, 1512, 49777, 49781 OVHFR France 16->31 33 2 other IPs or domains 16->33 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0104974a7bf43e2e31d25ae485f57c62efe89eaea2d3e520db8a76fa70dd956d/
Threat name:
Script-Macro.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-01-11 16:07:25 UTC
File Type:
Document
Extracted files:
48
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aecjost36q7c4mosllsil5l4mlx6rhvoulj6kig3rj3pu4g5svwq._file
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet loader macro
Link:
https://tria.ge/reports/210111-5t6rdlgqwn/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Office loads VBA resources, possible macro or embedded object present
Process spawned suspicious child process
Loads dropped DLL
Dridex Loader
Dridex
Process spawned unexpected child process
Malware Config
C2 Extraction:
77.220.64.37:443
80.86.91.27:3308
5.100.228.233:3389
46.105.131.65:1512
Dropper Extraction:
http://riveroakshyundaikia.com/pzpv2t1r.rar
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0104974a7bf43e2e31d25ae485f57c62efe89eaea2d3e520db8a76fa70dd956d

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:ach_Dridex_xlsm_20200528_2
Create hunting rule
Author:abuse.ch
Rule name:DridexLoader
Create hunting rule
Author:kevoreilly
Description:Dridex v4 dropper C2 parsing function
Rule name:Microsoft_XLSX_with_Macrosheet
Create hunting rule
Rule name:win_dridex_loader_v2
Create hunting rule
Author:Johannes Bader @viql
Description:detects some Dridex loaders

File information

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

  
X
https://twitter.com/58_158_177_102/status/1348648705180635138?s=20

Comments