MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a55376d851e4b7c8209bec3c06751a1772a7f73dac7d8e09846f6b5c42b097c. 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:	4a55376d851e4b7c8209bec3c06751a1772a7f73dac7d8e09846f6b5c42b097c
SHA3-384 hash:	7e788314fc6402880dc5b1e7635cb45be8e6876a394c2d54797dc8290b2ffcb47aec74497750f88f93b3bb594de4d19f
SHA1 hash:	7e9b32ad518e80ed59ae82dc2af48c64fcb8ff35
MD5 hash:	ea48bf3d10166098b8297090c9987711
humanhash:	utah-october-lactose-april
File name:	ea48bf3d_by_Libranalysis
Download:	download sample
Signature	Dridex Create hunting rule
File size:	165'888 bytes
First seen:	2021-05-13 10:08:22 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	987b9d7dc84d935c3675da82d40e06f2 (8'604 x Dridex, 2 x Gozi, 1 x Tofsee)
ssdeep	3072:kmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:tLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p
Threatray	16'029 similar samples on MalwareBazaar
TLSH	3CF3D088CBB3E4E6EFB3D37966F85E1B461574551408F4F4C86CA68FA4ABD0089E50F1
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/156087/

Detection(s):

Win.Packed.Generickdz-9852495-0

Win.Packed.Generickdz-9857416-0

SecuriteInfo.com.W32.AIDetect.malware2.10053.10635.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Dridex Dropper

Detection:

malicious

Classification:

bank.troj.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/780855

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

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/4a55376d851e4b7c8209bec3c06751a1772a7f73dac7d8e09846f6b5c42b097c/

Threat name:

Win32.Trojan.Drixed

Status:

Malicious

First seen:

2021-05-13 10:09:12 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jjkto3mfdzfxzaqjx3b4az2ruf3su73t3ld5ryeyi33llrblbf6a._file

Verdict:

malicious

Label(s):

dridex

Result

Malware family:

dridex

Score:

10/10

Tags:

family:dridex botnet:40112 botnet evasion loader trojan

Link:

https://tria.ge/reports/210513-5585vajbtn/

Behaviour

Suspicious use of WriteProcessMemory

Checks whether UAC is enabled

Dridex Loader

Dridex

Malware Config

C2 Extraction:

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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:	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 4a55376d851e4b7c8209bec3c06751a1772a7f73dac7d8e09846f6b5c42b097c

(this sample)

Cape

https://www.capesandbox.com/analysis/156087/

URLhaus

https://urlhaus.abuse.ch/url/1107605/

Delivery method

Distributed via web download

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-13 11:05:26 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0026.002] Data Micro-objective::XOR::Encode Data