MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05
SHA3-384 hash: a6ab4a0289fd2bd0142e61c2eeeddf4c47ec8d4ea34a8cda5b6ed700f099a5dd829be98e58150da85f9dcf75e13dafec
SHA1 hash: aeba233d165c21fcf5ea1d543e91730ec7d0ef19
MD5 hash: 13eb09bcb6f24676f206c216ec6824b0
humanhash: hotel-single-six-monkey
File name:Polar.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:66'012 bytes
First seen:2026-03-04 15:14:04 UTC
Last seen:2026-03-04 15:54:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:YPnrJEXlT38rkSw6Za1iR4RM4Lrgtpfjy+QYS18Io4s9N8ezP:KrgT3kOR1pHLEtpfjy+QD8944N8er
TLSH T18853027D376EA1D891650F3FBC7488C067AB0FB4D07E060EA3C2C99A9AC137AB971551
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) :66'012 bytes
File size (de-compressed) :175'424 bytes
Format:linux/arm
Unpacked file: a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086

Intelligence

File Origin
# of uploads :
2
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/40ce4ba2-cf6e-4a05-bd01-8b63374e11a4/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Link:
https://www.filescan.io/uploads/69a84c4991ad9169e5361da0/reports/a9c84ed7-0c10-421b-8fee-a3932c6a4bdc/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a7a53202-3985-40ee-9d2b-a832ffb21cf8
Behavior Graph:
Download SVG
%3 guuid=1e513f9e-1900-0000-cc9d-6f9f860c0000 pid=3206 /usr/bin/sudo guuid=e6ed1ea0-1900-0000-cc9d-6f9f8a0c0000 pid=3210 /tmp/sample.bin guuid=1e513f9e-1900-0000-cc9d-6f9f860c0000 pid=3206->guuid=e6ed1ea0-1900-0000-cc9d-6f9f8a0c0000 pid=3210 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/794ccb1d-467f-46b2-b013-75787ffbed64
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1878281
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1878281 Sample: Polar.arm.elf Startdate: 04/03/2026 Architecture: LINUX Score: 80 22 moiamonprime.myddns.me. [malformed] 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 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 36 2 other signatures 2->36 8 Polar.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 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/ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-04 15:14:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5snqdsqh4jpfrieqwd2d3mveteetlmsmwo243qiksvs24cnenucq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260304-smflyacz2y/
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/ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05

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: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 ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05

(this sample)

Mirai

elf a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086

  
URLhaus
https://urlhaus.abuse.ch/url/3711540/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086
  
Dropping
MD5 ba17b2cb40c9050a5cf1f64e25a61804

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