MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857b5c1209e2bec7dda0c80b92123f4ceb15f8c560f23551804e4bd09b94e901. 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: 5

Intelligence 5 IOCs YARA 7 File information Comments 1

SHA256 hash:	857b5c1209e2bec7dda0c80b92123f4ceb15f8c560f23551804e4bd09b94e901
SHA3-384 hash:	e28460cc4827dec1acc910b2df8fc069a4ccf457c324f8fc67aeef07b301729d9d15bcccc9a357f509bd5d9c4cbb2944
SHA1 hash:	0195cdd1579f6be5f143e36c942075ae811c0595
MD5 hash:	0ec3a0613d2fc39417eaccebaedfcdf0
humanhash:	carpet-fourteen-double-potato
File name:	Inv_64103_from_899482.xlsm
Download:	download sample
Signature	Dridex Create hunting rule
File size:	45'055 bytes
First seen:	2020-10-21 09:44:13 UTC
Last seen:	2020-10-21 10:15:18 UTC
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	768:VqG2RtChL4eGZVub/TDh3bOdxXvUognjp36SktdR9L8:YGK4FryYb/TDh3qdxXvU1n936VjR9L8
TLSH	8A13D055A390F565C2762A38E13C15C0A1EFB0D2A609E599358CF6EE27C2DC31B0DBAD
Reporter	cocaman
Tags:	Dridex xlsm

cocaman

Malicious email (T1566.001)
From: ""\"Intuit E-Commerce Service\"" <quickbooks@notification.intuit.com>"
Received: "from [160.78.245.56] (unknown [160.78.245.56]) "
Date: "Wed, 21 Oct 2020 10:31:50 +0100"
Subject: "Invoice 64103"
Attachment: "Inv_64103_from_899482.xlsm"

Intelligence

File Origin

# of uploads :

# of downloads :

138

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

TwinWave.EvilDoc.VBAExecuteExcel4MacrosLetMeRide.20200503.UNOFFICIAL

TwinWave.EvilDoc.DridexKeepCallingMe.20200707.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Launching the default Windows debugger (dwwin.exe)

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/857b5c1209e2bec7dda0c80b92123f4ceb15f8c560f23551804e4bd09b94e901/

Threat name:

Script-Macro.Infostealer.Dridex

Status:

Malicious

First seen:

2020-10-21 09:46:04 UTC

File Type:

Document

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qv5vyeqj4k7mpxnazafzeer7jtvrl6gfmdzdkumajzf5bg4u5eaq._file

Result

Malware family:

dridex

Score:

10/10

Tags:

botnet loader family:dridex

Link:

https://tria.ge/reports/201021-vq8524mr5j/

Behaviour

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Loads dropped DLL

Dridex Loader

Dridex

Process spawned unexpected child process

Malware Config

C2 Extraction:

79.137.29.86:443
87.106.191.77:3889
44.48.26.99:4664
178.254.22.25:33443

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/857b5c1209e2bec7dda0c80b92123f4ceb15f8c560f23551804e4bd09b94e901

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

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 857b5c1209e2bec7dda0c80b92123f4ceb15f8c560f23551804e4bd09b94e901

(this sample)

Delivery method

Distributed via e-mail attachment

Dropping

Dridex

any.run

https://app.any.run/tasks/110a8750-8edb-438c-a364-ecef0d0dac7f

Comments

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commented on 2020-10-21 11:30:17 UTC

Dridex C2s:
79.137.29.86:443
87.106.191.77:3889
44.48.26.99:4664
178.254.22.25:33443