MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d. 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: 14


Intelligence 14 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d
SHA3-384 hash: 8bbf61d4231be362654224a890a41df44dc4691144e3a0287f4f84c67da583efe0b305717d8f436dcbf0ab888ecc9508
SHA1 hash: 9165f74825637643f9f1d42ef62760a039af737a
MD5 hash: dcb4411e95f11677c79d94e9d5c98d74
humanhash: william-carolina-emma-kentucky
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:155'944 bytes
First seen:2024-11-05 10:51:39 UTC
Last seen:2024-11-06 06:25:21 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:vVXSryDegb/dUibD6wYNhPT14fU/S9PkMQ5GxHDTSK1OGBJn4:vVXSryq0dmt4TPTaKBB
TLSH T14FE34B07B5C184FDC8DAC1B44B9EA53BDD71F5981238B16B2BC4AE222E5DE305F1DA50
telfhash t1c651bc7126653c98b1e3e716b30bda55bc621c200ce274e1df73b9eace957880e72463
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Trojan.Mirai-10002309-0
Create hunting rule

Unix.Trojan.Mirai-10002310-0
Create hunting rule

Unix.Trojan.Mirai-10002598-0
Create hunting rule

Unix.Trojan.Mirai-10004381-0
Create hunting rule

Unix.Trojan.Mirai-10005051-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011318-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6729f8ed49e92a05dde30343linux22vpnfull_triage
Tags:
overt spam remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
DNS request
Sends data to a server
Substitutes an application name
Deletes a system binary file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug bash lolbin remote
Link:
https://www.filescan.io/uploads/6729f8ea9a1d13ab99cc7aa1/reports/2dc190e4-662b-4121-81e4-d5613491e38b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
12
Processes remaning?
false
Remote TCP ports scanned:
443,8080
Full report:
https://elfdigest.com/brief/2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9ea470ae-bc9f-4312-a6bd-2dabb8136a31
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1549164
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549164 Sample: x86_64.elf Startdate: 05/11/2024 Architecture: LINUX Score: 100 39 217.194.92.60 XTS-TELECOMFR France 2->39 41 58.98.190.235 XEPHIONNTT-MECorporationJP Japan 2->41 43 99 other IPs or domains 2->43 45 Suricata IDS alerts for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 6 other signatures 2->51 9 xfce4-session xfce4-panel 2->9         started        11 x86_64.elf 2->11         started        signatures3 process4 process5 13 xfce4-panel wrapper-2.0 9->13         started        15 xfce4-panel wrapper-2.0 9->15         started        17 xfce4-panel wrapper-2.0 9->17         started        21 3 other processes 9->21 19 x86_64.elf 11->19         started        process6 23 wrapper-2.0 xfpm-power-backlight-helper 13->23         started        25 x86_64.elf 19->25         started        27 x86_64.elf 19->27         started        29 x86_64.elf 19->29         started        process7 31 x86_64.elf 25->31         started        33 x86_64.elf 25->33         started        35 x86_64.elf 25->35         started        37 3 other processes 25->37
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-05 10:52:12 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fi7xanjyv77my6zx5txh7kvubzmeit4hyizukxusmb6i4skm5coq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Link:
https://tria.ge/reports/241105-myewwssldq/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Contacts a large (94676) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_1e0c5ce0 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/fcdca957-ec20-419b-b4fb-9824f9e3bc34
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/2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1e0c5ce0
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 2a3f703538affecc7b37ecee7faab40e58444f87c233455e92607c8e494ce89d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3276952/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments