MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba
SHA3-384 hash: d0c33ec1cb6962301b250e246a0690be2dbfd3b21383533427168bfb9b13fb5532b263931d7659a726824bebd35567ef
SHA1 hash: e7301910e34370640b6ede87ef71456a840c5736
MD5 hash: a2bd863fb97c9f2624ff0e29310a53ca
humanhash: beer-hydrogen-sweet-hamper
File name:sora.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:720'404 bytes
First seen:2026-01-29 17:10:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:jiiOtyn2m5Uq8x7bFUXxlKo54/uGg2N+KygpjyKsKw2Oj7iEv:+Fty2kiMxlKC4/uGg2cKhsRj7is
TLSH T150E46B52B7318F64D361D23405E3CBA59AA522A20BE350C3937CC620BB5176D6D6FFE8
telfhash t18b0121f00b2b72215659cbdc59ddb35a122c860a9b0aee37fc31447c61098ede12ac8f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai
Link:
https://www.filescan.io/uploads/697b94ca930564ff3c7ca259/reports/3f5ed9b5-07f5-431d-8689-6bb7da5fb0cf/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-29T14:17:00Z UTC
Last seen:
2026-01-30T12:53:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.bv HEUR:Backdoor.Linux.Mirai.ba
Link:
https://opentip.kaspersky.com/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/1c43dc12-8b06-4f09-a315-3d128a13f070
Behavior Graph:
Download SVG
%3 guuid=67a7a91a-1b00-0000-cdd3-ebe3550b0000 pid=2901 /usr/bin/sudo guuid=85d7bf1d-1b00-0000-cdd3-ebe35c0b0000 pid=2908 /tmp/sample.bin guuid=67a7a91a-1b00-0000-cdd3-ebe3550b0000 pid=2901->guuid=85d7bf1d-1b00-0000-cdd3-ebe35c0b0000 pid=2908 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a2f41745-7793-446f-9485-42c4cd0e8d43
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1859964
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1859964 Sample: sora.mips.elf Startdate: 29/01/2026 Architecture: LINUX Score: 60 30 193.28.138.79, 23 ZE-WROCLAW-ASPL Germany 2->30 32 216.3.140.0 XO-AS15US United States 2->32 34 98 other IPs or domains 2->34 38 Multi AV Scanner detection for submitted file 2->38 8 sora.mips.elf 2->8         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 sora.mips.elf 8->16         started        18 sora.mips.elf 8->18         started        21 sora.mips.elf 8->21         started        signatures6 23 sora.mips.elf 16->23         started        26 sora.mips.elf 16->26         started        28 sora.mips.elf 16->28         started        36 Sample tries to kill multiple processes (SIGKILL) 18->36 process7 signatures8 40 Sample tries to kill multiple processes (SIGKILL) 23->40
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-29 17:01:48 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x3zx4onpnvwlouptbautl6dql3vedfhithb6vmbsae25pebqso5a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Link:
https://tria.ge/reports/260129-vp365aaw5d/
Behaviour
System Network Configuration Discovery
Changes its process name
Contacts a large (40216) 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:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:malwareelf55503
Create hunting rule
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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 bef37e39af6d6cb751f3082935f8705eea4194e899c3eab0320135d7903093ba

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3765702/
  
Delivery method
Distributed via web download

Comments