MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c. 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


Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c
SHA3-384 hash: 8e52f021464f9dda7dff22f3fb084f69ba2b4409a7fb995f0015700b94b34b458451b912651cef0b4c0933863ec1330e
SHA1 hash: 4713487ef4055387eb8f6101755a1c131b714e0c
MD5 hash: d3962893d3bee158420a10a9ab0172ba
humanhash: fix-pennsylvania-ink-november
File name:assailant.arm5
Download: download sample
Signature Mirai
Create hunting rule
File size:120'771 bytes
First seen:2024-03-08 18:05:28 UTC
Last seen:2024-03-26 08:54:13 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:MJDZ+6lJQTnoo3bKB/VaQxnWg5hL8IuXBi74eoC9DQlD6ObAF5R:QVaEWg5hL8IukVoC9DQlD6ObAF5R
TLSH T145C30805FC404B27C7E227BAF79E438D773666586BD733116A295EF02BC5B882D39160
telfhash t1a321e34396f68b2c6fb3587468fc46a11552a5237260bf70ef5ec1409d37005b579e8f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter elfdigest
Tags:gafgyt mirai

Intelligence

File Origin
# of uploads :
30
# of downloads :
246
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade phishing remote
Link:
https://www.filescan.io/uploads/65eb53945cd908a33daa4529/reports/c30dc60b-a851-4551-a28c-34a0e8a523d6/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
103.153.69.114
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b77bc887-473b-45d4-8c90-56216f80cd20
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1405552
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1405552 Sample: assailant.arm5.elf Startdate: 08/03/2024 Architecture: LINUX Score: 84 19 103.153.69.114, 38250, 42516 TWIDC-AS-APTWIDCLimitedHK unknown 2->19 21 daisy.ubuntu.com 2->21 23 Snort IDS alert for network traffic 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 3 other signatures 2->29 9 assailant.arm5.elf 2->9         started        signatures3 process4 process5 11 assailant.arm5.elf 9->11         started        process6 13 assailant.arm5.elf 11->13         started        process7 15 assailant.arm5.elf 13->15         started        17 assailant.arm5.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-03-08 18:06:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iczly6qu7kdbiwnunuulvidymtj66umauznf2kja2v5xn7du2m6a._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/240308-wpq28sdc53/
Malware Config
C2 Extraction:
103.153.69.114:42516
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_30444846
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

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

Web download

Mirai

elf 40b2bc7a14fa861459b46d28baa07864d3ef5180a65a5d2920d57b76fc74d33c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2775665/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2778402/

Comments