MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a
SHA3-384 hash: 31578d7f4905a9413b223cea9f5ef2a60ec56733a21b42b078f8c1d7762f5f87d2ded7b8b5e0c72edc9a1a1578d45d3f
SHA1 hash: d955e47d88a56592915165e47e2964ec97a08c3f
MD5 hash: c8c538a05cf18cf120130105b47032b5
humanhash: sixteen-spring-foxtrot-single
File name:parm
Download: download sample
Signature Mirai
Create hunting rule
File size:75'988 bytes
First seen:2026-01-01 07:36:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:e1CbYM80aak3sYboBR/FEkhnjD1PoqAGtvd:eMbYajR/FjDN71d
TLSH T10B733B81BC815623C6D1127BFB6E428D372613A8E2EF73079D266F21778B85B0E77641
telfhash t1875100b6ebb50bdc2bc0c20485cea12a4bee356a0b11207adb185b1f95579c2b11dc32
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5d4e5eba46e6f90c22cebbafe3e1b082a2d87a4ef0170b6eb4848101dfcd398c
File size (compressed) :35'420 bytes
File size (de-compressed) :75'988 bytes
Format:linux/arm
Packed file: 5d4e5eba46e6f90c22cebbafe3e1b082a2d87a4ef0170b6eb4848101dfcd398c

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/66d04828-dc01-4f0a-aed8-2f134b9451ba/
Detection(s):
Unix.Trojan.Mirai-9858729-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit mirai rust
Link:
https://www.filescan.io/uploads/69562429890121539b2ca2c2/reports/8edafc92-24a9-4a33-a425-67456ab958ac/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-01T04:45:00Z UTC
Last seen:
2026-01-01T06:22:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a2d8719f-b658-4514-ada0-78c8ba7559c0
Behavior Graph:
Download SVG
%3 guuid=4b0b36c3-1900-0000-c04a-db68140c0000 pid=3092 /usr/bin/sudo guuid=25bdacc5-1900-0000-c04a-db68190c0000 pid=3097 /tmp/sample.bin guuid=4b0b36c3-1900-0000-c04a-db68140c0000 pid=3092->guuid=25bdacc5-1900-0000-c04a-db68190c0000 pid=3097 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9051bbc3-9ce9-4a87-b2d1-c78bd1ddfddc
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1843034
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843034 Sample: parm.elf Startdate: 01/01/2026 Architecture: LINUX Score: 72 28 158.94.208.27, 18129, 36988 JANETJiscServicesLimitedGB United Kingdom 2->28 30 34.243.160.129, 36178, 443 AMAZON-02US United States 2->30 32 158.94.208.27 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 parm.elf 2->8         started        11 xfce4-panel wrapper-2.0 2->11         started        13 systemd rsyslogd 2->13         started        15 44 other processes 2->15 signatures3 process4 signatures5 42 Sample deletes itself 8->42 17 parm.elf 8->17         started        19 wrapper-2.0 xfpm-power-backlight-helper 11->19         started        process6 process7 21 parm.elf 17->21         started        24 parm.elf 17->24         started        26 parm.elf 17->26         started        signatures8 40 Sample tries to kill multiple processes (SIGKILL) 21->40
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-01 07:37:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kmokp37awrqpvcn3lo52plshjym6irzh3v5xeb7g3aggv33ajnna._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai
Link:
https://tria.ge/reports/260101-jfg2rawjb1/
Malware Config
C2 Extraction:
158.94.208.27
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9858729-0
YARA:
n/a
Link:
https://app.threat.zone/submission/17f9102b-7800-4185-ac94-12c2cb0ce7d7
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/531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Generic_Threat_d94e1020
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

sh 4bd82202aa1dc7bf3605e7951c113089fdee4e5fb0a29b1ae1207114ed998b53

Mirai

elf 5d4e5eba46e6f90c22cebbafe3e1b082a2d87a4ef0170b6eb4848101dfcd398c

Mirai

elf 531ca7efe0b460fa89bb5bbba7ae474e19e44727dd7b7207e6d80c6aef604b5a

(this sample)

  
Dropped by
SHA256 5d4e5eba46e6f90c22cebbafe3e1b082a2d87a4ef0170b6eb4848101dfcd398c
  
URLhaus
https://urlhaus.abuse.ch/url/3742444/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 820e0420b0aa169d546e3075eab98543
  
URLhaus
https://urlhaus.abuse.ch/url/3740586/

Comments