MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859
SHA3-384 hash: 9ebe30269c49f76be80e6b53e95da32572af392512ffa1db595c556a38e3c676f8d82f281b11626dc1cf3cb5c5e95735
SHA1 hash: 879b098615a9cb585ec396a42b17381ce9e9c352
MD5 hash: a338eb08cef5ac9d6eaab808fda95463
humanhash: august-alanine-oranges-comet
File name:MRbjhZoUav.dll
Download: download sample
Signature Dridex
Create hunting rule
File size:241'664 bytes
First seen:2021-01-14 09:55:10 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash ed2860c18f5483e3b5388bad75169dc1 (33 x Dridex)
ssdeep 6144:k1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:k1GmSafShjYdd96z/6cwdC
Threatray 135 similar samples on MalwareBazaar
TLSH 4E34BE41B28B8B4BD1631A3C2576D1F8953CFC909761CE693B64B22F0F739D0892E7A5
Reporter JAMESWT_WT
Tags:Dridex Dropbox dll Dridex

Intelligence

File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DridexV4
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111973/
Detection(s):
SecuriteInfo.com.Generic.mg.0d9378da545ddfff.17812.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
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:
Unknown
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/581142
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 339603 Sample: MRbjhZoUav.dll Startdate: 14/01/2021 Architecture: WINDOWS Score: 52 12 Multi AV Scanner detection for submitted file 2->12 14 Machine Learning detection for sample 2->14 6 loaddll32.exe 1 2->6         started        process3 process4 8 WerFault.exe 3 9 6->8         started        10 WerFault.exe 3 9 6->10         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859/
Threat name:
Win32.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 23:10:41 UTC
File Type:
PE (Dll)
Extracted files:
69
AV detection:
24 of 46 (52.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55hk6k64psrsxg6fyeoeqvpaprftlotpstkta7h3mgve746ghbmq._file
Verdict:
malicious
Label(s):
dridex
Create hunting rule
Similar samples:
05b9806f446c71ca46bbddc10176bf28838430bbecb9545cc730fdb93b205476
Dridex
122533a946908e660880b2030174008bbb0791e5c5ac92651b24ae0589e8fa3d
Dridex
5cefa4a9dbe76bca91942539bc1d6065ab671c4fb61ec98692f702ce44f29a63
Dridex
6a71e4bde9172e3bb990c103d5a2ff9096b35ea855dac2a227d261e203a2c883
Dridex
7bebb1f39af44412c5a7d8263d4fdae5ec1f234ad2f96e6f07add6daa3ce9b0a
Dridex
a835f5cc185fc0b87a513e16373210367f05ba7c189f20f9030908be6c69ebb0
Dridex
e2c92cc669abc7429b5dc2adc1ead88b058efd5d13d5a1156683149a6cfc2620
Dridex
e8895c6342f316a7523ff822c7087ba3a765ab9ef9edd489f9a072740cb743a0
Dridex
fdf50dbb288d2bd4a325783e72c1e5c598c87ed11725131f14f449dd6cc22cb1
Dridex
ff1052809231d4cbdb22a0e0b13a168d8d1c3468fe3256d629ce5407a3b135bd
Dridex
+ 125 additional samples on MalwareBazaar
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet loader
Link:
https://tria.ge/reports/210114-17tk3hhcrs/
Behaviour
Suspicious use of WriteProcessMemory
Dridex Loader
Dridex
Malware Config
C2 Extraction:
52.73.70.149:443
8.4.9.152:3786
185.246.87.202:3098
50.116.111.64:5353
Unpacked files
SH256 hash:
ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859
MD5 hash:
a338eb08cef5ac9d6eaab808fda95463
SHA1 hash:
879b098615a9cb585ec396a42b17381ce9e9c352
Link:
https://www.unpac.me/results/3354c277-b87e-4440-a47a-3fb6078c16ad/
SH256 hash:
41156a6acd73d6b79d571b108ef006b8dd402c2930413e7c1d938d2bc71ba615
MD5 hash:
5d186641c136fef8c579474974a04c8b
SHA1 hash:
19cbd1361b69fbfe4eae2f4f7b0d6fc17f502bb3
Link:
https://www.unpac.me/results/3354c277-b87e-4440-a47a-3fb6078c16ad/
SH256 hash:
0aefb9785b6ca7cbd898bcc2e8a01ce763721bd69b38c0c4d89d296b24e51772
MD5 hash:
c802849147f120a4a16417e0b3249563
SHA1 hash:
f8743c5f5af22dda39c5db3aaa9a2c1fdefada18
Link:
https://www.unpac.me/results/3354c277-b87e-4440-a47a-3fb6078c16ad/
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/ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859

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:DridexV4
Create hunting rule
Author:kevoreilly
Description:Dridex v4 Payload
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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 ef4eaf2bdc7ca32b9bc5c11c4855e07c4b35ba6f94d5307cfb61aa4ff3c63859

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/959198/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111973/

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