MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5. 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: 9

Maldoc score: 10

Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash:	2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5
SHA3-384 hash:	8a6aaa94f267fcf5bba723ff235bf48083b052ba125b2fab5c397c6c2385cece35513911e3f1d46431420e0748b83708
SHA1 hash:	0cdf69cc3fa1612503c82bbb9b947c15e3267ce1
MD5 hash:	eb20ca63dc3badc1a48072d33bd6428b
humanhash:	blossom-march-network-eighteen
File name:	1 Total New Invoices-Monday December 14 2020.xlsm
Download:	download sample
Signature	Dridex Create hunting rule
File size:	61'065 bytes
First seen:	2020-12-14 16:38:27 UTC
Last seen:	2020-12-24 08:29:40 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	1536:x0AumW5DkaWwd92IkkIC+kyXEHz4LGLxZeOJI/Bdq/gn4L:xBuPuldkIlETXLPjJMn4L
TLSH	8D53F134D226BD2DD791143C621E89E8A6DBA2A3E291D22357C1B42C81D331F4F5D7EA
Reporter	cocaman
Tags:	Dridex xlsm

cocaman

Malicious email (T1566.001)
From: "<customerservice@freightquote.com>" (likely spoofed)
Received: "from host-95-233-205-107.retail.telecomitalia.it (host-95-233-205-107.retail.telecomitalia.it [95.233.205.107]) "
Date: "Mon, 14 Dec 2020 21:02:09 +0100"
Subject: "New Invoice(s) for C0228249 are Available to be Viewed"
Attachment: "1 Total New Invoices-Monday December 14 2020.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: 10

OLE dump

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

Section ID	Section size	Section name
A1	475 bytes	PROJECT
A2	86 bytes	PROJECTwm
A3	3702 bytes	VBA/Module1
A4	2151 bytes	VBA/Sheet1
A5	1007 bytes	VBA/ThisWorkbook
A6	3095 bytes	VBA/_VBA_PROJECT
A7	1953 bytes	VBA/__SRP_0
A8	263 bytes	VBA/__SRP_1
A9	453 bytes	VBA/__SRP_2
A10	526 bytes	VBA/__SRP_3
A11	530 bytes	VBA/__SRP_4
A12	156 bytes	VBA/__SRP_5
A13	563 bytes	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:

Type	Keyword	Description
Suspicious	Run	May run an executable file or a system command
Suspicious	Chr	May attempt to obfuscate specific strings (use option --deobf to deobfuscate)
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	XLM macrosheet	XLM macrosheet found. It could contain malicious code

Intelligence

File Origin

# of uploads :

2'273

# of downloads :

235

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

1 Total New Invoices-Monday December 14 2020.xlsm

Verdict:

Malicious activity

Analysis date:

2020-12-14 16:31:06 UTC

Tags:

macros macros40

Link:

https://app.any.run/tasks/5cde8979-bbce-4524-a94d-dfba9e249e6a

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):

SecuriteInfo.com.ArtemisTrojan.29983.UNOFFICIAL

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 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/2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5/results/dashboard

Result

Gathering data

Result

Threat name:

Dridex

Detection:

malicious

Classification:

bank.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/562385

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)

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

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5/

Threat name:

Document-Office.Infostealer.Dridex

Status:

Malicious

First seen:

2020-12-14 16:39:04 UTC

File Type:

Document

Extracted files:

AV detection:

16 of 47 (34.04%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=fq3mwtqxogqe44unoxvwlmc7nb25j22w35xllaik6coq2xsbttkq._file

Result

Malware family:

n/a

Score:

8/10

Tags:

macro

Link:

https://tria.ge/reports/201214-rwlb42bjre/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2c36cb4e1771/report/overview.html

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/2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5

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:	Microsoft_XLSX_with_Macrosheet Create hunting rule

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

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.

Malspam

Dridex

xlsm 2c36cb4e1771a04e728d75eb65b05f6875d4eb56df6eb5810af09d0d5e419cd5

(this sample)

Delivery method

Distributed via e-mail attachment

Dropping

Dridex

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