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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775. 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: 8


Intelligence 8 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775
SHA3-384 hash: a4fbbf6b0e75c87bf176ea0a85741e39d585258b0791261173cc60d26aeed4b24537411675f364e00b6c853e7450d088
SHA1 hash: fc211876668368d73abce37217fbeed6b2a98d6c
MD5 hash: 474efedc92f2a0a0f0200dd5c147e4a8
humanhash: four-harry-angel-speaker
File name:bot.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:741'816 bytes
First seen:2026-09-20 04:47:00 UTC
Last seen:2026-09-21 03:25:30 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:LgpK6Dphdz30ot70i060Y7i+x880dz9Gd6pAPxuqmQ1UDtyw70Vlb+E:fITdLB/06388wGL8hDtywIVlb+
TLSH T1EBF4C05AF51AEF03C8F3E536E47B82D07262EC4F57D293056509E9793C1B23A8B1A385
telfhash t109a0222328c0c20c032bcf288cc8020220830c33fc2c3c220f0cce828020000020ccab
Magika elf
Reporter abuse_ch
Tags:elf Hajime mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Agent-7158340-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the CPU
Opens a port
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm anti-vm gcc masquerade
Link:
https://www.filescan.io/uploads/6aaf65566fbc0ae5a9b9163a/reports/721c8b10-8ecb-4c1e-bb14-a5d29ca3634d/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-20T02:19:00Z UTC
Last seen:
2026-09-22T00:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9ca96e92-6c0f-4af8-b06b-02c58e0ab471
Behavior Graph:
Download SVG
%3 guuid=7011557a-1a00-0000-583b-beb9280d0000 pid=3368 /usr/bin/sudo guuid=44b47f86-1a00-0000-583b-beb9370d0000 pid=3383 /tmp/sample.bin guuid=7011557a-1a00-0000-583b-beb9280d0000 pid=3368->guuid=44b47f86-1a00-0000-583b-beb9370d0000 pid=3383 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b42184e7-425b-454c-83ff-26a8f8363469
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775/
Threat name:
Linux.Trojan.Hajime
Create hunting rule
Status:
Malicious
First seen:
2026-09-20 04:47:47 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tohyk6o63x4f6n4f7v2a7m7vfd6eqblsckoo5jw22a5dofca652q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
antivm defense_evasion discovery
Link:
https://tria.ge/reports/260920-femztssbrg/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Checks CPU configuration
Reads CPU attributes
Checks hardware identifiers (DMI)
Deletes log files
Enumerates running processes
Reads MAC address of network interface
Contacts a large (766) amount of remote hosts
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/9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775

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:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:Hunt_DVR_Exploit_CommandInjection
Create hunting rule
Author:Serhii Kocherhan
Description:Detects common shell command injection signatures and payloads associated with DVR/NVR exploitation
Rule name:iot_req_metachar
Create hunting rule
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:linux_generic_irc_catcher
Create hunting rule
Author:@_lubiedo
Description:Find new ELF IRC samples
Rule name:malwareelf55503
Create hunting rule
Rule name:MIRAI_OHSHIT_payload
Create hunting rule
Author:AfterPacket
Description:MIRAI_OHSHIT ELF payload -- compiled-in C2 set, all architectures
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:test_rule_vldslv
Create hunting rule
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 9b8f8579deddf85f3785fd740fb3f528fc480572129ceea6dad03a371440f775

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3918808/
  
Delivery method
Distributed via web download

Comments