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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070
SHA3-384 hash: 3fc5d2cdd07ce516086d1b5287334747c16c721c180d64aa7326238c5afa9445c267e5498cc05172c9855354adbf73c1
SHA1 hash: 44bdfe70b5c1cc921f6b386a4fc1d51cbec5e64b
MD5 hash: d92e24ae6acbd84a37a0f97d82cdd376
humanhash: eight-artist-cola-illinois
File name:sever1078.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:624'320 bytes
First seen:2026-09-24 05:00:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:A4s0sjyJSOxc3QWO9kt1hZ2EdlVCoigfnnkedGLenudoWueNpzWxFhuPDKq1HbLP:AubDByz0Etbz8PHrVj8w
TLSH T1E9D4075A7E619F3DF67487718BF38A30D26A639203E1C6C1E1ECE1054E2029D5D6FB68
telfhash t1d8714ec77db632d87d8c424a47cdea300d5a085e1af61a7ace5651cb871b7c22fb6c12
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 92fe5baa2041064dceb118727aeb0ba1cf0ab1812e95412d85df24c68332bce0
File size (compressed) :241'104 bytes
File size (de-compressed) :624'320 bytes
Format:linux/mips
Packed file: 92fe5baa2041064dceb118727aeb0ba1cf0ab1812e95412d85df24c68332bce0

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4aa0a5d2-79e2-415c-85f6-6dd3bb52cc53/
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29502.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Creating a process from a recently created file
Sets a written file as executable
Opens a port
Manages services
Connection attempt
Launching a process
Receives data from a server
Sends data to a server
Runs as daemon
Changes the time when the file was created, accessed, or modified
DNS request
Changes access rights for a written file
Creating a file
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated
Link:
https://www.filescan.io/uploads/6ab4aeadaf71e9f5fe01a8c5/reports/475a596b-78ec-4f60-bf2c-cba520223927/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
54
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
2323,5555,23
Full report:
https://elfdigest.com/brief/91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-09-24T03:12:00Z UTC
Last seen:
2026-09-24T03:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/84c83cac-1b16-4a42-be80-66e58d5a7ddb
Behavior Graph:
Download SVG
%3 guuid=4cb1f6fa-1a00-0000-c264-7b592c080000 pid=2092 /usr/bin/sudo guuid=f7b188ff-1a00-0000-c264-7b5935080000 pid=2101 /tmp/sample.bin guuid=4cb1f6fa-1a00-0000-c264-7b592c080000 pid=2092->guuid=f7b188ff-1a00-0000-c264-7b5935080000 pid=2101 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dbf9c437-59c1-4eac-a6de-cc0c0fe9e680
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 05:01:10 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgrkx6bos5rydq636gwgv2zt7vnhp3r6zhcrrqkf7nuazynjqbya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260924-fnrpdayyfy/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Writes file to system bin folder
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (45281) amount of remote hosts
Creates a large amount of network flows
Family: Mirai
Malware Config
C2 Extraction:
bigbigvol.qd.je
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/91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:Linux_Generic_Threat_1ac392ca
Create hunting rule
Author:Elastic Security
Rule name:LIN_Downloader_Unknown_WgetChmodExecute
Create hunting rule
Author:Marjoriefort
Description:Script shell downloader : wget+curl, chmod 777, execution, effacement (rm -rf) - botnet style
Reference:misses_archive / grappe 5.182.210.174
Rule name:NSVPS_Mirai_Busybox_Staging
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Mirai-style busybox wget/tftp payload staging seen in NSVPS honeypot
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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

File information

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

Web download

Mirai

elf 92fe5baa2041064dceb118727aeb0ba1cf0ab1812e95412d85df24c68332bce0

Mirai

elf 91a2abf82e976381c3dbf1ac6aeb33fd5a77ee3ec9c518c145fb680ce1a98070

(this sample)

  
Dropped by
SHA256 92fe5baa2041064dceb118727aeb0ba1cf0ab1812e95412d85df24c68332bce0
  
URLhaus
https://urlhaus.abuse.ch/url/3918581/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 e1a0d423e92eea073ace0c72f47fed68

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