MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
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SHA256 hash: d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6
SHA3-384 hash: 9579e7a849a39fd899d8a02257571ebe92bb1d226163b9cf6f02b11af06d3cf77017a10e40e919c7030a7241aa95a2e2
SHA1 hash: e9825208623d5cd5b1eb758766f6be9fc60bdb7d
MD5 hash: 0e450aca7d45a73ba282267af8949e4e
humanhash: nitrogen-jig-florida-social
File name:m9x7k2v8b3.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:138'476 bytes
First seen:2026-02-16 13:07:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:hyudj9XZdTdz6N4gX5Sg3B3T/kUgiSHVMcMm47R:hyudj93Tdz6OgJSg3RQUgzMmk
TLSH T12BD3F709BF611EFBE86FCC370AE9270525CC591B22A93B75B534D418F64B28F15E39A0
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 :
1
# of downloads :
58
Origin country :
DE DE
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/09c3837d-445f-46b8-ac46-25d4c0bbc657/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
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Unix.Dropper.Mirai-7135897-0
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Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/699316bfc9bfb60ece204505/reports/2ea9530b-9b0f-4c59-be71-d98f18d5ffa5/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2ac1c696-1fe8-4009-a8eb-cb1d2e0d7dee
Behavior Graph:
Download SVG
%3 guuid=d19961de-1700-0000-6d79-8436f40b0000 pid=3060 /usr/bin/sudo guuid=225d3fe0-1700-0000-6d79-8436f90b0000 pid=3065 /tmp/sample.bin guuid=d19961de-1700-0000-6d79-8436f40b0000 pid=3060->guuid=225d3fe0-1700-0000-6d79-8436f90b0000 pid=3065 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9c8495d8-3542-4bf6-b453-9d6e1393d75c
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-16 13:10:29 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3envfcrccjfp26ony45f5uky6q5wyb57sd5iksvllaoocunl73da._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Link:
https://tria.ge/reports/260216-qdbkhsfx8a/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
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/d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
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: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 d91b528a22124afd79cdc73a5ed158f43b6c07bf90fa854aab581ce151abfec6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3766463/
  
Delivery method
Distributed via web download

Comments