MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf. 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:	183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf
SHA3-384 hash:	48d35a8a2d10ef8b730d5bb097814b059945b3d30de0edcd74b2b6e479a7832513bd817e45068e65fa9905baba938311
SHA1 hash:	611cf9277f2ff8ffa7e2d6aca4494701b19edb4d
MD5 hash:	c99b3601b6fe28a2b01950bad922ff59
humanhash:	virginia-fanta-pennsylvania-may
File name:	183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf
Download:	download sample
Signature	Dridex Create hunting rule
File size:	165'888 bytes
First seen:	2021-04-19 11:15:14 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:RmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:gLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p
Threatray	5'941 similar samples on MalwareBazaar
TLSH	6CF3D088CBB3E4E6EFB3D37866F85E1B461174551408F4F4C86CA68FA4ABD0089E50F1
Reporter	Cryptolaemus1
Tags:	40112 Dridex

Cryptolaemus1

Dridex 40112

Intelligence

File Origin

# of uploads :

# of downloads :

103

Origin country :

n/a

Vendor Threat Intelligence

Detection:

DridexLoader

Link:

https://www.capesandbox.com/analysis/138405/

Detection(s):

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

Win.Packed.Generickdz-9852495-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Result

Threat name:

Dridex Dropper

Detection:

malicious

Classification:

bank.troj.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/686669

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/183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf/

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=da7xhgbvuyak7q6t6a7uktgti6nhjonqtqv62e4zcmtogiamlo7q._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/210419-rew1s74c9a/

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.

Threat name:

Dridex

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf

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 183f739835a600afc3d3f03f454cd3479a74b9b09c2bed13991326e3200c5bbf

(this sample)

Cape

https://www.capesandbox.com/analysis/138405/

URLhaus

https://urlhaus.abuse.ch/url/1110148/

Delivery method

Distributed via web download

Comments

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AccidentalRebel commented on 2021-04-19 12:21:02 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