MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293
SHA3-384 hash: 62fc1725580659abfeb4b87d02ab012d9e44af354cd5a734c79c93461b06ba2e9e1e06e0200566c456d3d7c46ebde8b9
SHA1 hash: d4f340e45593308ed884bf9403192c25a3a8a5be
MD5 hash: 9a521a12050acfea4ca6efb7703064b6
humanhash: alaska-lemon-pip-ceiling
File name:sdxkzX_UXA229x.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:34'420 bytes
First seen:2025-12-14 13:29:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:i/GrU15QgRZYheyVcMTUkLSl5u7Z1o7nGKxxh3Kjuy9:k4U15QgX4exGO6aHh3kug
TLSH T1A9F2F1E5E5551BADD09C517EAB3DBC5D95E26C4097DEC0E723EC0529A627AF0213C00E
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
File size (compressed) :34'420 bytes
File size (de-compressed) :75'568 bytes
Format:linux/i386
Unpacked file: c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/586e4b81-3ca1-4327-b018-91c188a7c557/
Detection(s):
SecuriteInfo.com.Linux.Mirai-17.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/693ebbef64bd958a521126d7/reports/c32d43f7-44e7-414b-b35a-255d04ab6524/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-14T10:42:00Z UTC
Last seen:
2025-12-14T13:45:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.gh HEUR:Backdoor.Linux.Mirai.es HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Gafgyt.ij
Link:
https://opentip.kaspersky.com/31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293/results?tab=lookup
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/209d2478-7b86-43c3-addc-4bacac30e951
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1832470
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832470 Sample: sdxkzX_UXA229x.x86.elf Startdate: 14/12/2025 Architecture: LINUX Score: 76 19 146.103.41.220, 420, 54664, 54666 BELNETBE Belgium 2->19 21 daisy.ubuntu.com 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 27 Yara detected Okiru 2->27 29 2 other signatures 2->29 7 sdxkzX_UXA229x.x86.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 sdxkzX_UXA229x.x86.elf 7->11         started        13 sdxkzX_UXA229x.x86.elf 7->13         started        15 sdxkzX_UXA229x.x86.elf 7->15         started        17 sdxkzX_UXA229x.x86.elf 7->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-14 13:30:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gg2il7pbu2osjlu4tfuo7r7undttdk7kg7vhledjwozbmliw6kjq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet discovery linux upx
Link:
https://tria.ge/reports/251214-qr1rkafr91/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Mirai
Mirai family
Malware Config
C2 Extraction:
client.orxy.space
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/46671855-78ad-43c2-ba49-5aef6d88adca
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/31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 31b485fde1a69d24ae9c9968efc7f468e731abea37ea759069b3b2162d16f293

(this sample)

Mirai

elf c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2

  
URLhaus
https://urlhaus.abuse.ch/url/3733517/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3733524/
  
Dropping
SHA256 c13a0521a55c03501236d81b346eb135f9e307592c17f9dda378401c4150b1f2
  
Dropping
MD5 052f577383d47b629e787188c0bf821e

Comments