MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e. 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

Intelligence 8 IOCs YARA 4 File information Comments 1

SHA256 hash:	ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e
SHA3-384 hash:	aa3119b2d580d7c3acde7a99a154bbdea572fec163bd7011268bc38b15f07058a4b2723f0ca9baa6a7d5cc0f7f14a2ca
SHA1 hash:	290a0ee4ceee78b7ae6deadf0ea7f20a4d32390a
MD5 hash:	99446a67af6cf8853a57bd3841bc78a8
humanhash:	robin-mars-princess-black
File name:	ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e
Download:	download sample
Signature	Dridex Create hunting rule
File size:	162'304 bytes
First seen:	2021-04-21 11:12:05 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	f71b9cb9891e9cf4bae79d2b5aa115c6 (1'586 x Dridex)
ssdeep	3072:TiFieJeVDC5PIh/31VeSDH2jW+zsKWncDlRe0PLDt:weAU/TeSH26cs+7
Threatray	9'098 similar samples on MalwareBazaar
TLSH	27F3E00AED9FE988E85C51F1CA4D363EE9713E371B5BDD08C584AE9DC24B252A4F0352
Reporter	Cryptolaemus1
Tags:	40111 Dridex

Cryptolaemus1

Dridex 40111

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/142047/

Detection(s):

Win.Malware.Ffpx-9852716-0

SecuriteInfo.com.Trojan.Agent.FFPX.110.28486.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Result

Threat name:

Dridex Dropper

Detection:

malicious

Classification:

bank.troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/690888

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/ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e/

Threat name:

Win32.Infostealer.Dridex

Status:

Malicious

First seen:

2021-04-21 12:09:20 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5rhy75gqseqqh7fh7q4dxulithhgnjsrjqblyhtqh5l222zmrjxa._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/210421-va6wvjexp6/

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:

Dridex

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e

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 ec4f8ff4d0912103fca7fc383bd16899ce66a6514c02bc1e703f57ad6b2c8a6e

(this sample)

Cape

https://www.capesandbox.com/analysis/142047/

URLhaus

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

Delivery method

Distributed via web download

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-21 12:09:55 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