MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747
SHA3-384 hash: 38d00d5b018b85469768019a229604768875131a99a9e058170369b7c53e8eac3e7aae19f85205eecd3a5a20bfb66d99
SHA1 hash: 8599675fc7eb2d9925257af5e94a1767d8c8d129
MD5 hash: bf0ec85f4a966072f8771ece199181e8
humanhash: sodium-lithium-utah-fix
File name:wnbw86
Download: download sample
Signature Mirai
Create hunting rule
File size:111'532 bytes
First seen:2024-11-06 17:36:43 UTC
Last seen:2024-11-07 04:45:45 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Q0DwLEsewoeEgt/ayBIiU2fHNpCCu0uwzU:XEgsDoeZtqoNMvgzU
TLSH T118B36CC5F293D4F2E8560571203BFB375A36F079112DEE83D768EA32AC91901EA1A75C
telfhash t1585126fa1a7a0ce8a7c09801d30d5ba56e1ee777287437a34663c924365ad8181bbc38
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 :
93
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

Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672ba94349e92a05dde39213linux22vpnfull_triage
Tags:
phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Creating a file
Receives data from a server
DNS request
Opens a port
Kills processes
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash lolbin remote
Link:
https://www.filescan.io/uploads/672ba9472a9506a8240b66c3/reports/b37b79b9-5c6c-40eb-83f7-aaf88f6dad93/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
43
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747
Behaviour
Process Renaming
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/1a000d6d-a2d5-4edd-aa78-a7e4620ad370
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1550459
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 deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550459 Sample: wnbw86.elf Startdate: 06/11/2024 Architecture: LINUX Score: 96 79 raw.eye-network.ru. [malformed] 2->79 81 raw.eye-network.ru 154.216.16.69, 33966, 58458, 58464 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->81 83 6 other IPs or domains 2->83 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus / Scanner detection for submitted sample 2->93 95 Multi AV Scanner detection for submitted file 2->95 99 2 other signatures 2->99 11 systemd gdm3 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd gpu-manager 2->15         started        17 64 other processes 2->17 signatures3 97 Sends malformed DNS queries 79->97 process4 file5 21 gdm3 gdm-session-worker 11->21         started        32 3 other processes 11->32 23 gpu-manager sh 13->23         started        25 gpu-manager sh 13->25         started        34 6 other processes 13->34 36 8 other processes 15->36 77 /var/log/wtmp, data 17->77 dropped 85 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->85 87 Reads system files that contain records of logged in users 17->87 27 wnbw86.elf 17->27         started        30 accounts-daemon language-validate 17->30         started        38 27 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 sh grep 23->42         started        44 sh grep 25->44         started        101 Sample deletes itself 27->101 46 wnbw86.elf 27->46         started        49 language-validate language-options 30->49         started        51 sh grep 34->51         started        53 5 other processes 34->53 55 8 other processes 36->55 57 18 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        105 Sample tries to kill multiple processes (SIGKILL) 46->105 64 language-options sh 49->64         started        process11 signatures12 66 dbus-run-session dbus-daemon 59->66         started        103 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->103 69 dbus-daemon 61->69         started        71 sh locale 64->71         started        73 sh grep 64->73         started        process13 signatures14 89 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->89 75 dbus-daemon false 69->75         started        process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-06 17:37:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pp2aqmxlh3nxntqrkwz57wo4tcjqtxhixe2atq6lg57nj37bk5dq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet linux rootkit
Link:
https://tria.ge/reports/241106-v645ravflq/
Behaviour
Writes file to system bin folder
Loads a kernel module
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
89.190.156.145
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/bbcaee19-bca4-41c4-b958-05e3f8bc9eb4
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/7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747

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_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 7bf40832eb3edb76ce1155b3dfd9dc989309dce8b93409c3cb377ed4efe15747

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3277439/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3277302/
  
URLhaus
https://urlhaus.abuse.ch/url/3275872/
  
URLhaus
https://urlhaus.abuse.ch/url/3277308/

Comments