MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2
SHA3-384 hash: c705a506542fca623889e6b933dfee81448675016dd71632ea718f4d7d71c86006e7f3d639b900572417688d50627fb8
SHA1 hash: cf1aa00b1bc28a4ed7dc34b83ff347c329c231c8
MD5 hash: 052f577383d47b629e787188c0bf821e
humanhash: lake-echo-hawaii-stream
File name:sdxkzX_UXA229x.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:75'568 bytes
First seen:2025-12-14 13:30:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:03gZy7h5hSebHcw2Ug61h5Om/PSaOUf+ntOXpK7Vdc0juzFXhOGxLZhTySpxoZ:03Oy7h5hSebH5Rg61h57/PSq+kXSVdBl
TLSH T1A2735BC0EE43D8F5EA5306B1113BA7364A32F7391129E943D778DA33BC52201D5A679B
telfhash t1543172fb0dae09e873d05900c31a2ea2195ad6b7196577a545739ce422c7ec290a9c3d
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 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293
File size (compressed) :34'420 bytes
File size (de-compressed) :75'568 bytes
Format:linux/i386
Packed file: 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293

Intelligence

File Origin
# of uploads :
1
# of downloads :
41
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-10028946-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-14T10:36:00Z UTC
Last seen:
2025-12-14T12:33:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.ij HEUR:Backdoor.Linux.Gafgyt.gh
Link:
https://opentip.kaspersky.com/c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3e84ce5-152e-4bb5-a349-237505e11d81
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1832459
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832459 Sample: sdxkzX_UXA229x.x86.elf Startdate: 14/12/2025 Architecture: LINUX Score: 72 23 194.180.49.165, 7777 LVLT-10753US Germany 2->23 25 146.103.41.220, 420, 54658, 54662 BELNETBE Belgium 2->25 27 daisy.ubuntu.com 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Okiru 2->33 35 Yara detected Mirai 2->35 7 sdxkzX_UXA229x.x86.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 sdxkzX_UXA229x.x86.elf 7->15         started        17 sdxkzX_UXA229x.x86.elf 7->17         started        19 sdxkzX_UXA229x.x86.elf 7->19         started        21 sdxkzX_UXA229x.x86.elf 7->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-14 13:31:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ye5akinflqbvaerw3anti3vrgx46gb2zfql7txndpbabyqkqwhza._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai discovery linux
Link:
https://tria.ge/reports/251214-qshx5sgj3t/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Malware Config
C2 Extraction:
client.orxy.space
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/1cc518ca-450f-4d91-a35e-9ec3ddc00b9d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2

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: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:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293

Mirai

elf c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2

(this sample)

  
Dropped by
SHA256 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293
  
Dropped by
MD5 9a521a12050acfea4ca6efb7703064b6
  
URLhaus
https://urlhaus.abuse.ch/url/3733517/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3733524/

Comments