MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a. 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:	83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a
SHA3-384 hash:	ad08714f8b213ba046da10db1b346f882d92d4315b63eb4f28b261bc280a938a7ae96d528effe7ea62b3095a7b22e88c
SHA1 hash:	a1d7a26144c8241c8b228f419f182d6d8f84d91f
MD5 hash:	4af78f0c5956d135462581aded43a70e
humanhash:	batman-december-illinois-bulldog
File name:	83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a
Download:	download sample
Signature	Dridex Create hunting rule
File size:	165'888 bytes
First seen:	2021-04-20 22:24:58 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	7'583 similar samples on MalwareBazaar
TLSH	B8F3D088CBB3E4E6EFB3D37966F85E1B461574551408F4F4C86CA68FA4ABD0089E50F1
Reporter	Cryptolaemus1
Tags:	40112 Dridex

Cryptolaemus1

Dridex 40112

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/140723/

Detection(s):

Win.Packed.Generickdz-9852495-0

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/690105

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/83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a/

Threat name:

Win32.Trojan.Drixed

Status:

Malicious

First seen:

2021-04-21 00:30:55 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qp2tp4wqpo333njv3fm7slv4lpxqirls5sj5sgczwhwbrfbezv5a._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/210420-nhy7b5t9ee/

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:

Suspicious File

Score:

0.56

Link:

https://yomi.yoroi.company/submissions/83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a

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 83f537f2d07bb7bdb535d959f92ebc5bef044572ec93d91859b1ec189424cd7a

(this sample)

Cape

https://www.capesandbox.com/analysis/140723/

URLhaus

https://urlhaus.abuse.ch/url/1123417/

Delivery method

Distributed via web download

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-20 23:23:09 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