MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9
SHA3-384 hash: 91ad88af9c4f326fbe5acf0cf080fb984fab7bfa222e2adfc9102f8253a9332ad6fccc840a75bba77f482f53e6fad803
SHA1 hash: b1d8837fee65f4f9cb0fffbca1e02a7f07612a58
MD5 hash: a1e60d76e422df0bcbcbd04736558113
humanhash: utah-salami-emma-mars
File name:dtfefn.dll
Download: download sample
Signature Dridex
Create hunting rule
File size:576'000 bytes
First seen:2021-02-01 11:15:08 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 9f155d069630db0dd20e2b708dcbe65f (9 x Dridex)
ssdeep 6144:Do9y7D5S9oY/fWpJwpcroS7G4F735egYHknym3l/ooV+bLUATfFezFbaYMzseik5:J2fkRG4535RxJl/ovfUdFJMQlJW16d
Threatray 380 similar samples on MalwareBazaar
TLSH E4C4D1B9794041A5CC41543CF43CF6A888AE7CB78E14A15372FF3E1F7B3A9A2C515A1A
Reporter fr0s7_
Tags:Dridex

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DridexLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/114475/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending a custom TCP 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/595258
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: 346666 Sample: dtfefn.dll Startdate: 01/02/2021 Architecture: WINDOWS Score: 52 10 Multi AV Scanner detection for submitted file 2->10 12 Machine Learning detection for sample 2->12 6 loaddll32.exe 1 2->6         started        process3 process4 8 rundll32.exe 6->8         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9/
Threat name:
Win32.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2021-02-01 11:16:07 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=evmzkzt2ticyggdvuqf6sdploje27skgfc42cz3ntrfylgliwp4q._file
Verdict:
malicious
Label(s):
dridex
Create hunting rule
Similar samples:
3a2ae2d3143557af877757f210bc4404bc795f1cd1c437f564193cf8acb32a9a
Dridex
57240f408d97c5cf738a99d944f77a5f000307ef94b9231ad2e3ab58a0595a17
Dridex
776a31b76036eb5aab4778fb3753573fba293e87facbe755fd9289ce33107435
Dridex
82902f13b895c92b0995e65d4de03ff0cd50d89bbc027dc5e7ec338d9bede821
Dridex
83c390d82e19beec14d007b7350f4296c23ce9b3d131a3670ebb7424ad917410
Dridex
8b1203e7ff8ead64a388e8000955871b931202a9fd56ba339de65b01628fff6b
Dridex
9f38af84820dc29e805029409bbb2a5765036775973e3898b6db1f66c1b47270
Dridex
b354b40413ec755a51a63ab930860d9078d9ad157f1f18b0d0c441d73bf6691c
Dridex
df2ed991a6ab65f2bc05805376dcf34de7febc5c5d4b37d400546e4e01d90fc0
Dridex
ee2cf65da651ccc3c4b62179a8e0292f7ffeae2dc65f71fd4556860d5cc54629
Dridex
+ 370 additional samples on MalwareBazaar
Result
Malware family:
dridex
Create hunting rule
Score:
  10/10
Tags:
family:dridex botnet:10444 botnet discovery evasion loader trojan
Link:
https://tria.ge/reports/210201-jp4lfmrhss/
Behaviour
Suspicious use of WriteProcessMemory
Checks installed software on the system
Checks whether UAC is enabled
Blocklisted process makes network request
Dridex Loader
Dridex
Malware Config
C2 Extraction:
77.220.64.131:443
5.196.204.251:5037
192.99.41.136:981
24.229.3.146:4664
Unpacked files
SH256 hash:
ef9e45d88c1e09c032eea0566d041f4c622386380997bcfae30078f7ae872e52
MD5 hash:
216508610bcaec8678d153d73c7ed59b
SHA1 hash:
651a7fce347b364a148de6f56ddb925789eb00ba
Link:
https://www.unpac.me/results/276db014-45cc-48d4-b729-289f151e620c/
SH256 hash:
255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9
MD5 hash:
a1e60d76e422df0bcbcbd04736558113
SHA1 hash:
b1d8837fee65f4f9cb0fffbca1e02a7f07612a58
Link:
https://www.unpac.me/results/276db014-45cc-48d4-b729-289f151e620c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9

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:win_dridex_loader_v2
Create hunting rule
Author:Johannes Bader @viql
Description:detects some Dridex loaders

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Dridex

DLL dll 255995667a9a05831875a40be90deb7249afc94628b9a1676d9c4b859968b3f9

(this sample)

  
X
https://twitter.com/58_158_177_102/status/1356194964963610628?s=20
  
Dropping
Dridex
  
Delivery method
Distributed via e-mail attachment
  
URLhaus
https://urlhaus.abuse.ch/url/986262/
  
URLhaus
https://urlhaus.abuse.ch/url/986279/
  
URLhaus
https://urlhaus.abuse.ch/url/986285/
  
URLhaus
https://urlhaus.abuse.ch/url/986296/
  
URLhaus
https://urlhaus.abuse.ch/url/986308/
Cape
Cape
https://www.capesandbox.com/analysis/114475/

Comments