MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882. 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: 7


Intelligence 7 IOCs YARA 11 File information Comments
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SHA256 hash: 4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882
SHA3-384 hash: b77c4ae998551d5ff5afca78f1e724287a02116ad7e3870cd5ed7dd2a36306b549e6024300ad0c1cc5df3e792836fd4b
SHA1 hash: 5c51277759354b0629c47b32277ff4ea9391f9bc
MD5 hash: c3b324daf55266b3f53fcc328bb9f0e0
humanhash: wyoming-fourteen-maryland-nine
File name:kaizen.arm5_srv
Download: download sample
Signature Mirai
Create hunting rule
File size:140'580 bytes
First seen:2026-06-18 07:38:24 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:eoZ5DHc1tOaBxXR+NlurW28Ft65SZ1hY8PUwAFSAQ1DFboU9GOLcHEya4P:eocW28F1TSUFdcY
TLSH T1F1D32B59F8D0CA63C6D427BBBA5D018D335257B9D2DE70029F146F202BDBE6A0A3F506
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30442.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Exploit-3.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135987-0
Create hunting rule

Unix.Trojan.Mirai-9861139-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Connection attempt
Receives data from a server
Runs as daemon
Substitutes an application name
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/682664d9-d217-4e61-b189-e6532c649bb8
Behavior Graph:
Download SVG
%3 guuid=36888897-1a00-0000-2e1d-b60e650d0000 pid=3429 /usr/bin/sudo guuid=7cb41999-1a00-0000-2e1d-b60e6e0d0000 pid=3438 /tmp/sample.bin guuid=36888897-1a00-0000-2e1d-b60e650d0000 pid=3429->guuid=7cb41999-1a00-0000-2e1d-b60e6e0d0000 pid=3438 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0516cd8a-f06b-4984-b269-2f793344513b
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jb33tuissr5vaaedwxphgx5dflzufittrgbk4qavxpw4xne5xcba._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery
Link:
https://tria.ge/reports/260618-jgvn8sfz3r/
Behaviour
Changes its process name
Modifies Watchdog functionality
Contacts a large (820101) 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/4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882

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:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:elf_arm_mips_ko_so
Create hunting rule
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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:testlumma
Create hunting rule
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 4877b9d112947b500083b5de735fa32af342a2738982ae4015bbedcbb49db882

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3866669/
  
Delivery method
Distributed via web download

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