MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd. 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: 9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd
SHA3-384 hash: 10871b2137a0753b9062c13dab4c98ac0cc522ba2e671e93ea700bc549bdfe39d9da267b34396a8c0e8c1e54feb664d1
SHA1 hash: 5802e59cb96f5729c3b3ec0da5ce63245b5f9400
MD5 hash: 6cebb3365bef4f16b321e24f96878e6a
humanhash: triple-oranges-artist-winner
File name:Polar.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:167'648 bytes
First seen:2025-11-22 16:37:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:p/pb+aXEoq9iVOrrSHLlCM5Km4hdg0KYigaaVUcp:p//XEoqMkrSpRAm4HgXYigXVUcp
TLSH T1CFF32986F8D18E16C5C212BFFB5E418D372A57A9D2EA3103AD265F20378746B0F3B645
telfhash t18bb012634d10b7fd26070a2b95dda320d718f54d0b01c4d114e88ee73473d02314f310
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 gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 583901d5241b61add64f1c5a4b0db6f208e1966b59f875c6b752c9ba1a97f2aa
File size (compressed) :62'796 bytes
File size (de-compressed) :167'648 bytes
Format:linux/arm
Packed file: 583901d5241b61add64f1c5a4b0db6f208e1966b59f875c6b752c9ba1a97f2aa

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.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.Dropper.Mirai-10007027-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T14:51:00Z UTC
Last seen:
2025-11-23T01:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/12d297f7-363d-4b10-a465-f45db01daaf7
Behavior Graph:
Download SVG
%3 guuid=71561eca-1900-0000-41a2-b8bbe9090000 pid=2537 /usr/bin/sudo guuid=100826cd-1900-0000-41a2-b8bbf1090000 pid=2545 /tmp/sample.bin guuid=71561eca-1900-0000-41a2-b8bbe9090000 pid=2537->guuid=100826cd-1900-0000-41a2-b8bbf1090000 pid=2545 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7bb4d505-c05e-4d30-9377-a989b02f51b4
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1819125
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819125 Sample: Polar.arm.elf Startdate: 22/11/2025 Architecture: LINUX Score: 76 22 lolzzmortex.duckdns.org 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Gafgyt 2->34 8 Polar.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Uses dynamic DNS services 22->36 process4 process5 12 Polar.arm.elf 8->12         started        14 Polar.arm.elf 8->14         started        16 Polar.arm.elf 8->16         started        process6 18 Polar.arm.elf 12->18         started        20 Polar.arm.elf 12->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 16:38:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sut26tqkq7e7mxkkiazwm5ad2ni3cgn6wnaanobidwuepbqjd26q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251122-t5mnmsbj71/
Malware Config
C2 Extraction:
lolzzmortex.duckdns.org
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
Link:
https://app.threat.zone/submission/6a2f61fb-64e0-4b61-975b-06b4a41320aa
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/9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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 583901d5241b61add64f1c5a4b0db6f208e1966b59f875c6b752c9ba1a97f2aa

Mirai

elf 9527af4e0a87c9f65d4a4033667403d351b119beb34006b8281da84786091ebd

(this sample)

  
Dropped by
SHA256 583901d5241b61add64f1c5a4b0db6f208e1966b59f875c6b752c9ba1a97f2aa
  
URLhaus
https://urlhaus.abuse.ch/url/3714155/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 d3e3e93f6b5823bb2abccec775b40088
  
URLhaus
https://urlhaus.abuse.ch/url/3714911/

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