MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 485f60ab0f9bc836dc2c7e855583c1ec230bf44eebd8c6ae9ab03cb7efb15d42. 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


Maldoc score: 12


Intelligence 8 IOCs YARA 8 File information Comments

SHA256 hash: 485f60ab0f9bc836dc2c7e855583c1ec230bf44eebd8c6ae9ab03cb7efb15d42
SHA3-384 hash: bfae8ec9d46df0dd64608356f6ab704fe8b74fdb3bbb887edbd048ef4093fd708dc585e3d0d86129cfb4a5f605dd1b17
SHA1 hash: bbd162a3c1762334d675b1ea9335677e6b3ae75e
MD5 hash: d6c84d6b5daaa8f8c6e751b2a3f3bee2
humanhash: queen-virginia-sixteen-timing
File name:OUTSTANDING_INVOICE_Statement_655533.xlsm
Download: download sample
Signature Dridex
File size:183'712 bytes
First seen:2021-03-22 17:31:45 UTC
Last seen:2021-03-26 15:36:39 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 3072:CdTtXYrFJ0TQFhCcSHUB1Pt72IV8SSq+TNKou6GVUh:CdNw0EHoK1Pgq8SStpu6KUh
TLSH 1A0412385853A8D0C9F2837BAAEC0897984535FA1EA7F13D1C95E01E095667372CF1FA
Reporter cocaman
Tags:Dridex INVOICE xlsm


Avatar
cocaman
Malicious email (T1566.001)
From: "msc.com <Cheyenne.Bibi@msc.com>" (likely spoofed)
Received: "from postfix-inbound-3.inbound.mailchannels.net (inbound-egress-6.mailchannels.net [199.10.31.238]) "
Date: "Mon, 22 Mar 2021 22:05:41 +0100"
Subject: "OUTSTANDING INVOICE Of 03/22/2021"
Attachment: "OUTSTANDING_INVOICE_Statement_419629.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: 12
OLE dump

MalwareBazaar was able to identify 13 sections in this file using oledump:

Section IDSection sizeSection name
A1532 bytesPROJECT
A2107 bytesPROJECTwm
A35748 bytesVBA/Module1
A4991 bytesVBA/Sheet1
A5991 bytesVBA/Sheet2
A6999 bytesVBA/ThisWorkbook
A73310 bytesVBA/_VBA_PROJECT
A82130 bytesVBA/__SRP_0
A9360 bytesVBA/__SRP_1
A10602 bytesVBA/__SRP_2
A11810 bytesVBA/__SRP_3
A12578 bytesVBA/dir
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
SuspiciousURLDownloadToFileAMay download files from the Internet
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
SuspiciousRunMay run an executable file or a system command
SuspiciousLibMay run code from a DLL

Intelligence


File Origin
# of uploads :
104
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OUTSTANDING_INVOICE_Statement_655533.xlsm
Verdict:
No threats detected
Analysis date:
2021-03-22 23:06:53 UTC
Tags:
macros macros40

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
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Excel4Macro
Document image
Document image
Result
Verdict:
SUSPICIOUS
Details
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Macro with DLL Reference
Detected macro logic that will load additional functionality from Dynamically Linked Libraries (DLLs). While not explicitly malicious, this is a common tactic for accessing APIs that are not otherwised exposed via Visual Basic for Applications (VBA).
Result
Threat name:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
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)
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373093 Sample: OUTSTANDING_INVOICE_Stateme... Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Document exploit detected (drops PE files) 2->46 48 9 other signatures 2->48 7 EXCEL.EXE 88 48 2->7         started        process3 dnsIp4 36 bulkyfoodja.com 68.65.123.130, 443, 49169 NAMECHEAP-NETUS United States 7->36 38 healthy20.net 68.65.123.146, 443, 49167 NAMECHEAP-NETUS United States 7->38 22 C:\Users\user\AppData\Local\...\mtkfvbfy.dll, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\bafwwqzw.dll, PE32 7->24 dropped 26 C:\Users\user\AppData\...\hen77mcf[1].tar, PE32 7->26 dropped 28 2 other malicious files 7->28 dropped 50 Document exploit detected (creates forbidden files) 7->50 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 9 14->19         started        dnsIp9 40 System process connects to network (likely due to code injection or exploit) 16->40 30 103.18.108.116, 49174, 49175, 49179 NET1-AS-APNetVirtuePtyLtdAU Australia 19->30 32 37.247.35.130, 49172, 49173, 49178 NEDZONE-ASNL Netherlands 19->32 34 210.65.244.179, 443, 49170, 49171 HINETDataCommunicationBusinessGroupTW Taiwan; Republic of China (ROC) 19->34 signatures10
Threat name:
Document-Office.Infostealer.Dridex
Status:
Malicious
First seen:
2021-03-22 17:32:10 UTC
File Type:
Document
Extracted files:
38
AV detection:
9 of 29 (31.03%)
Threat level:
  5/5
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
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Office loads VBA resources, possible macro or embedded object present
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:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Microsoft_XLSX_with_Macrosheet
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
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 485f60ab0f9bc836dc2c7e855583c1ec230bf44eebd8c6ae9ab03cb7efb15d42

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
Dridex

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