MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dc764bcf7c82b8e21be4e6ab57217dea8edce6259c724f5605546e50549a2b99. 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: 4


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: dc764bcf7c82b8e21be4e6ab57217dea8edce6259c724f5605546e50549a2b99
SHA3-384 hash: aa69ced665e3443f228c4a6608025b83375d9d21c1eabb1eeba8795cde27b34da1101fb5fa1e1e4deb618f1d2f7f29f3
SHA1 hash: 2f6e28dd7897db2cc297c832a7dc9965c721f1ad
MD5 hash: 9669d28c903a6b096d9d2452b14fc4c1
humanhash: mike-georgia-iowa-beer
File name:Statement of Account as of 12062021.xls
Download: download sample
Signature Dridex
File size:51'712 bytes
First seen:2021-12-06 12:06:46 UTC
Last seen:2021-12-07 10:28:48 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:QgSk3hbdlylKsgqopeJBWhZFGkE+cL2NdAlR1XxyY22FikQmX6VI0:LSk3hbdlylKsgqopeJBWhZFGkE+cL2Nn
TLSH T13533D892B292E80AD95917394CDBCBE63736FC116F57838B3285F72F2F716C08A02516
Reporter Jazzo74911657
Tags:Dridex xls

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: 4
OLE dump

MalwareBazaar was able to identify 14 sections in this file using oledump:

Section IDSection sizeSection name
1108 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
429067 bytesWorkbook
5429 bytes_VBA_PROJECT_CUR/PROJECT
662 bytes_VBA_PROJECT_CUR/PROJECTwm
7991 bytes_VBA_PROJECT_CUR/VBA/Sheet1
86546 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
92928 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
102036 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
11338 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
121739 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
131102 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
14522 bytes_VBA_PROJECT_CUR/VBA/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
SuspiciousRunMay run an executable file or a system command
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
67
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Statement of Account as of 12062021.xls
Verdict:
Malicious activity
Analysis date:
2021-12-06 12:07:59 UTC
Tags:
macros

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
Has a screenshot:
False
Contains macros:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Changing an executable file
Infecting executable files
Result
Verdict:
Clean
File Type:
Legacy Excel File with Macro
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Result
Threat name:
Detection:
malicious
Classification:
expl.troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Office process drops PE file
Sigma detected: BlueMashroom DLL Load
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Regsvr32 Anomaly
Sigma detected: Regsvr32 Command Line Without DLL
System process connects to network (likely due to code injection or exploit)
Yara detected Dridex unpacked file
Behaviour
Behavior Graph:
Threat name:
Document-Office.Trojan.SLoad
Status:
Malicious
First seen:
2021-12-06 12:01:00 UTC
File Type:
Document
Extracted files:
19
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
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
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:zloader_halo_generated
Author:Halogen Generated Rule, Corsin Camichel

File information


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

Comments