MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d
SHA3-384 hash: d079a9ae2f5e33ca644159de845317a14e86afab99163eed699eb6ae9d1a12c4d56713f40954e482e5b1d6ff1e00609c
SHA1 hash: fe495bb1f619740f430786b43211fe97db1d2dc6
MD5 hash: e690785204b79fa1da6899090104fa03
humanhash: bluebird-lima-oxygen-winner
File name:sdxkzX_UXA229x.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:113'908 bytes
First seen:2025-12-20 23:53:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8vj7gDh8TNQ0G9aEAwWihKo/E9sGKAC/73e5C1O6t4OKg+c+c+A:sjCK5h7mE9sGKZ/7+6t4OKJttA
TLSH T176B3C74E6E26CFBDF7A9C33447B79E21965933C626E1C582D16DD2001E6038E641FFA8
telfhash t1af2154584b7422e4b7345c9d095debb7e2b130de7b255c378e11a86eb77d4828e20c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ad231997456ddb2cfede395e0e83bcec403d3e7e0804d8eccd3da115f023550b
File size (compressed) :38'324 bytes
File size (de-compressed) :113'908 bytes
Format:linux/mips
Packed file: ad231997456ddb2cfede395e0e83bcec403d3e7e0804d8eccd3da115f023550b

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Trojan.Mirai-10001386-0
Create hunting rule

Unix.Dropper.Mirai-10007201-0
Create hunting rule

Unix.Trojan.Mirai-10007572-0
Create hunting rule

Unix.Trojan.Mirai-10007917-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10010127-0
Create hunting rule

Unix.Trojan.Mirai-10010248-0
Create hunting rule

Unix.Trojan.Mirai-10015419-0
Create hunting rule

Unix.Trojan.Mirai-10017351-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bash lolbin masquerade mirai
Link:
https://www.filescan.io/uploads/69473725a7163552ba034349/reports/31dd514f-3304-4722-b850-201cd4d23bba/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-20T21:01:00Z UTC
Last seen:
2025-12-20T21:46:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gh HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c083e5c3-54f9-499b-8d6f-8f30f7de4838
Behavior Graph:
Download SVG
%3 guuid=a5aa58ac-1a00-0000-3bef-e8969f0a0000 pid=2719 /usr/bin/sudo guuid=d586cbae-1a00-0000-3bef-e896a50a0000 pid=2725 /tmp/sample.bin guuid=a5aa58ac-1a00-0000-3bef-e8969f0a0000 pid=2719->guuid=d586cbae-1a00-0000-3bef-e896a50a0000 pid=2725 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cb127ec3-0b12-4b89-8496-d6f74fd2ba75
Result
Threat name:
Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1836862
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836862 Sample: sdxkzX_UXA229x.mips.elf Startdate: 21/12/2025 Architecture: LINUX Score: 64 23 194.180.49.165, 7777 LVLT-10753US Germany 2->23 25 109.202.202.202, 80 INIT7CH Switzerland 2->25 27 3 other IPs or domains 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Okiru 2->33 7 sdxkzX_UXA229x.mips.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 2 other processes 2->13 signatures3 process4 process5 15 sdxkzX_UXA229x.mips.elf 7->15         started        17 sdxkzX_UXA229x.mips.elf 7->17         started        19 sdxkzX_UXA229x.mips.elf 7->19         started        21 sdxkzX_UXA229x.mips.elf 7->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-20 23:54:21 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=my2zdsba6uammirg6yljk64f6yizl5nz7wns6kylghjvxvwhjaoq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai discovery
Link:
https://tria.ge/reports/251220-3xgl4awqfs/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/1c4b4e11-508a-4082-bcd0-3dac5dccd35b
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/663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:gorilla_bot
Create hunting rule
Author:asyncthecat
Description:Detects GorillaBot runtime strings
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
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

elf ad231997456ddb2cfede395e0e83bcec403d3e7e0804d8eccd3da115f023550b

Mirai

elf 663591c820f500c62226f616957b85f61195f5b9fd9b2f2b0b31d35bd6c7481d

(this sample)

  
Dropped by
SHA256 ad231997456ddb2cfede395e0e83bcec403d3e7e0804d8eccd3da115f023550b
  
URLhaus
https://urlhaus.abuse.ch/url/3733502/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 b736ddffbb90901854922f55a96be318

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