MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 406ae986c72382231fae46850d054ce174f5a70ccf948d21d8e48663c16ec081. 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


Maldoc score: 5


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 406ae986c72382231fae46850d054ce174f5a70ccf948d21d8e48663c16ec081
SHA3-384 hash: 2c6d7e0583a7dd3fec43853303e7eb3d77e4f1a7e06f813eea688f83fc94f07cf916a17cccd7b312fddb75bc6aa96757
SHA1 hash: f35848fdcc1900e68d7bae5818f0dbe6b58ebe48
MD5 hash: ef3b7f93392bee34ef3a27b9dd95b148
humanhash: ack-sweet-texas-earth
File name:Invoice_005241060.xlsm
Download: download sample
Signature Dridex
Create hunting rule
File size:30'421 bytes
First seen:2020-11-16 13:38:22 UTC
Last seen:2020-11-16 19:17:39 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 384:3KeH6RVUlM9z5BvxRA5BWpCewFGocyFHbJ8R+kxHWr24OB6qF8DRGR9x5:a86RVxTsvcxYFdYnxHWr24OuFGR9n
TLSH 72D2D025D288787DE777843BA11C84E0D60D02D1DE38F2AE2F44965E4AD72CB124EB9F
Reporter cocaman
Tags:Dridex xlsm


Avatar
cocaman
Malicious email (T1566.001)
From: ""Invoice-notification@ups.com" <Invoice-notification@ups.com>" (likely spoofed)
Received: "from [182.189.171.207] (unknown [182.189.171.207]) "
Date: "Mon, 16 Nov 2020 19:11:29 +0500"
Subject: "UPS Invoice Notification"
Attachment: "Invoice_004717316.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: 5
OLE dump

MalwareBazaar was able to identify 15 sections in this file using oledump:

Section IDSection sizeSection name
A1499 bytesPROJECT
A262 bytesPROJECTwm
A35018 bytesVBA/Sheet1
A41007 bytesVBA/ThisWorkbook
A53658 bytesVBA/_VBA_PROJECT
A62278 bytesVBA/__SRP_0
A7216 bytesVBA/__SRP_1
A81098 bytesVBA/__SRP_2
A9644 bytesVBA/__SRP_3
A10779 bytesVBA/dir
B1112 bytesCompObj
B242 bytesf
B30 byteso
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
AutoExecUPSBillingCenter_LayRuns when the file is opened and ActiveX objects trigger events VBA
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 :
23
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Xls.Malware.Dridex-9786291-0
Create hunting rule

Xls.Malware.Dridex-9787168-0
Create hunting rule

TwinWave.EvilDoc.VBAExecuteExcel4MacrosLetMeRide.20200503.UNOFFICIAL
Create hunting rule

Twinwave.EvilDoc.DridexWelcomeToParadise.20201102.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.MacExe3.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.MacExe4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching the default Windows debugger (dwwin.exe)
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/537815
Signature
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 318001 Sample: Invoice_005241060.xlsm Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Document exploit detected (drops PE files) 2->46 48 5 other signatures 2->48 7 EXCEL.EXE 152 36 2->7         started        process3 dnsIp4 36 hoteldelcarmen.com.ar 207.244.126.150, 49167, 80 LEASEWEB-USA-WDCUS United States 7->36 38 crm.notariavieitoyvelamazan.com 185.34.194.247, 443, 49168 CDMONsistemescdmoncomES Spain 7->38 22 C:\Users\user\AppData\Local\...\tadtnzrd.TMP, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\Temp\snnbdl.TMP, PE32 7->24 dropped 26 C:\Users\user\AppData\Local\...\tm5ahm[1].zip, PE32 7->26 dropped 28 2 other malicious files 7->28 dropped 50 Document exploit detected (process start blacklist hit) 7->50 52 Document exploit detected (UrlDownloadToFile) 7->52 12 regsvr32.exe 7->12         started        14 regsvr32.exe 7->14         started        file5 signatures6 process7 process8 16 regsvr32.exe 9 12->16         started        19 regsvr32.exe 11 14->19         started        dnsIp9 40 System process connects to network (likely due to code injection or exploit) 16->40 30 172.96.190.154, 4664, 49172, 49176 LEASEWEB-APAC-SIN-11LeasewebAsiaPacificpteltdSG Canada 19->30 32 77.220.64.53, 443, 49171, 49174 INTERNETONEInternetServicesProviderIT Italy 19->32 34 2 other IPs or domains 19->34 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/406ae986c72382231fae46850d054ce174f5a70ccf948d21d8e48663c16ec081/
Threat name:
Document-Word.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2020-11-16 13:39:04 UTC
File Type:
Document
Extracted files:
38
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ibvotbwheobcgh5oi2cq2bkm4f2pljymz6ki2ioy4sdghqloycaq._file
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet cryptone loader packer
Link:
https://tria.ge/reports/201116-xgwhdvnv42/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Office loads VBA resources, possible macro or embedded object present
Program crash
Loads dropped DLL
CryptOne packer
Dridex Loader
Dridex
Process spawned unexpected child process
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
77.220.64.53:443
172.96.190.154:4664
209.126.111.137:33443
167.99.158.82:33443
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dridex
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/406ae986c72382231fae46850d054ce174f5a70ccf948d21d8e48663c16ec081

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

Dridex

Excel file xlsm 406ae986c72382231fae46850d054ce174f5a70ccf948d21d8e48663c16ec081

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex

Comments