MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4f87caadffdd567fedacedc52ed7650daae024ed4e4d339b210014dda166fa1. 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

Intelligence 9 IOCs YARA 4 File information Comments 1

SHA256 hash:	c4f87caadffdd567fedacedc52ed7650daae024ed4e4d339b210014dda166fa1
SHA3-384 hash:	6fb7229ffce0aa6637caf776624169f6469fa2c35707634603166c1f7a62036a2147dbf0826e9acd2acd15e94688baca
SHA1 hash:	aabfcd0c9fba645f5f85ee2d32ee1be84e8b99f9
MD5 hash:	5ffcd37cb468f07c58842cbc166cf446
humanhash:	lion-pip-twelve-vermont
File name:	5ffcd37c_by_Libranalysis
Download:	download sample
Signature	Dridex Create hunting rule
File size:	162'304 bytes
First seen:	2021-05-17 00:01:17 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	f71b9cb9891e9cf4bae79d2b5aa115c6 (1'586 x Dridex)
ssdeep	3072:YiFieJeVDC5PIh/31VeSDH2jW+zsKWncDlRe0PLDt:jeAU/TeSH26cs+7
Threatray	17'050 similar samples on MalwareBazaar
TLSH	D9F3E00AED9FE988E85C51F1CA4D363EE9713E371B5BDD08C584AE9DC24B252A4F0352
Reporter	Libranalysis
Tags:	Dridex

Libranalysis

Uploaded as part of the sample sharing project

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

DridexLoader

Link:

https://www.capesandbox.com/analysis/157679/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Malware family:

Dridex

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7754d0e7-b3c9-45f7-9277-44e4fe635e11

Result

Threat name:

Dridex Dropper

Detection:

malicious

Classification:

bank.troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/783165

Signature

C2 URLs / IPs found in malware configuration

Dridex dropper found

Found malware configuration

Found potential dummy code loops (likely to delay analysis)

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Tries to delay execution (extensive OutputDebugStringW loop)

Tries to detect sandboxes / dynamic malware analysis system (file name check)

Yara detected Dridex unpacked file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c4f87caadffdd567fedacedc52ed7650daae024ed4e4d339b210014dda166fa1/

Threat name:

Win32.Infostealer.Dridex

Status:

Malicious

First seen:

2021-05-17 00:02:17 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=yt4hzkw77xkwp7w2z3off3lwkdnk4aso2tsngonscaau3wqwn6qq._file

Verdict:

malicious

Label(s):

dridex

Result

Malware family:

dridex

Score:

10/10

Tags:

family:dridex botnet:40111 botnet evasion loader trojan

Link:

https://tria.ge/reports/210517-tvv2hj3xj6/

Behaviour

Suspicious use of WriteProcessMemory

Checks whether UAC is enabled

Dridex Loader

Dridex

Malware Config

C2 Extraction:

8.210.53.215:443
72.249.22.245:2303
188.40.137.206:8172

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.14

Link:

https://yomi.yoroi.company/submissions/c4f87caadffdd567fedacedc52ed7650daae024ed4e4d339b210014dda166fa1

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:	DridexLoader Create hunting rule
Author:	kevoreilly
Description:	Dridex v4 dropper C2 parsing function

Rule name:	DridexV4 Create hunting rule
Author:	kevoreilly
Description:	Dridex v4 Payload

Rule name:	MALWARE_Win_DLLLoader Create hunting rule
Author:	ditekSHen
Description:	Detects unknown DLL Loader

Rule name:	win_dridex_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator

File information

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

Web download

Dridex

DLL dll c4f87caadffdd567fedacedc52ed7650daae024ed4e4d339b210014dda166fa1

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/1120495/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/157679/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-17 01:05:52 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [B0012.001] Anti-Static Analysis::Argument Obfuscation
2) [C0026.002] Data Micro-objective::XOR::Encode Data