MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602
SHA3-384 hash: 32604808e0b030b8b2834d977940c14407b041d23827c967ec0efa469b1dec397a269d8cc8e23559459023f1d5191229
SHA1 hash: 96938fbfa9c798494f5b99fe03a4595a5dc8c59e
MD5 hash: 5567cdaa0ea470b52934671be6c87e2d
humanhash: summer-michigan-freddie-mango
File name:5567cdaa0ea470b52934671be6c87e2d
Download: download sample
Signature Mirai
Create hunting rule
File size:63'000 bytes
First seen:2024-06-08 09:52:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:96SVU/xOE9QC6VJveMfTgHtCkVFPka1C:0SVUQEyCWxeMbUAkVFk
TLSH T185532948E297E4F4DC050978206BEF7AEA73ED3AA171ED9FD7C97923D925602D00225C
telfhash t1641198f71eee18ddfad45954821e2f425a6cf13f299072e00272943563afe43507ad78
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf intel mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
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Unix.Trojan.Mirai-6976991-0
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Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Trojan.Mirai-7135978-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Dropper.Mirai-7136045-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Receives data from a server
Connection attempt
Kills processes
Runs as daemon
Kills critical processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug botnet mirai mirai
Link:
https://www.filescan.io/uploads/666429ff6b8dba248b3e5b50/reports/8eb449e6-66b9-499e-8f51-7596512ceaa2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
18
Number of processes launched:
7
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
type:Mirai 37.44.238.75:81
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/840f47fb-55e9-4f53-b793-a01f34e96e44
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1454005
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454005 Sample: 06V2RO89xu.elf Startdate: 08/06/2024 Architecture: LINUX Score: 88 101 151.102.196.62 WELLMONT-TNUS United States 2->101 103 161.176.48.200 WAL-MARTUS United States 2->103 105 99 other IPs or domains 2->105 111 Malicious sample detected (through community Yara rule) 2->111 113 Antivirus / Scanner detection for submitted sample 2->113 115 Multi AV Scanner detection for submitted file 2->115 117 2 other signatures 2->117 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 systemd gpu-manager 2->15         started        17 81 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        32 3 other processes 11->32 23 gdm3 gdm-session-worker 13->23         started        34 3 other processes 13->34 36 8 other processes 15->36 99 /var/log/wtmp, data 17->99 dropped 107 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->107 109 Reads system files that contain records of logged in users 17->109 25 06V2RO89xu.elf 17->25         started        27 06V2RO89xu.elf 17->27         started        30 accounts-daemon language-validate 17->30         started        38 37 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 gdm-session-worker gdm-wayland-session 23->42         started        44 06V2RO89xu.elf 25->44         started        53 2 other processes 25->53 119 Sample tries to kill multiple processes (SIGKILL) 27->119 47 language-validate language-options 30->47         started        55 8 other processes 36->55 49 language-validate language-options 38->49         started        51 language-validate language-options 38->51         started        57 26 other processes 38->57 process9 signatures10 59 gdm-wayland-session dbus-run-session 40->59         started        61 gdm-wayland-session dbus-daemon 40->61         started        64 gdm-wayland-session dbus-run-session 42->64         started        66 gdm-wayland-session dbus-daemon 42->66         started        121 Sample tries to kill multiple processes (SIGKILL) 44->121 68 language-options sh 47->68         started        70 language-options sh 49->70         started        72 language-options sh 51->72         started        74 language-options sh 57->74         started        process11 signatures12 76 dbus-run-session dbus-daemon 59->76         started        125 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->125 79 dbus-daemon 61->79         started        81 dbus-run-session dbus-daemon 64->81         started        83 dbus-daemon 66->83         started        85 sh locale 68->85         started        87 sh grep 68->87         started        89 2 other processes 70->89 91 2 other processes 72->91 93 2 other processes 74->93 process13 signatures14 123 Sample reads /proc/mounts (often used for finding a writable filesystem) 76->123 95 dbus-daemon false 79->95         started        97 dbus-daemon false 83->97         started        process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-06-08 09:53:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3zuwkejobizr2j7vnpo2q5uwcyjga7azo5shxfvo26onfelayba._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:mirai discovery linux
Link:
https://tria.ge/reports/240608-lwmchsbf85/
Behaviour
Contacts a large (20399) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602

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:Linux_Mirai_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Mirai_3a56423b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Unpack
Create hunting rule
Rule name:SUSP_XORed_Mozilla
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 76f34b2889705198e93fab5eed43b4b0b09303e0cbbb23dcb576bce6948b0602

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2879414/

Comments


Avatar
zbet commented on 2024-06-08 09:52:13 UTC

url : hxxp://37.44.238.75/bins/sora.x86