MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086. 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 7 File information Comments
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SHA256 hash: a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086
SHA3-384 hash: bf55c39ace0fabea2eeb77454b7677aa69e7db746d9dbe1df7f81ae624e0a1cf73b7b476ef597480ed1380206e5770ee
SHA1 hash: aae7d9dbf66162e6ab4104b41450da8496123463
MD5 hash: ba17b2cb40c9050a5cf1f64e25a61804
humanhash: east-tennis-ink-violet
File name:Polar.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:175'424 bytes
First seen:2026-03-04 15:14:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:/mY2895/cAPPeocJgGrMHkgCyJ6p4/gKgZd+XzDoxIY:eY2895/cAnsgGrMD3Yp4IKod+XHoxIY
TLSH T13B042946FCD18E22C6C612BFFB5E418D372657A8D2EA31039D265F20378B46B0F3A645
telfhash t12931ff27df241acc63d9825852de316aaeec708b1b092597891d270eae035d0f02ec36
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 ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05
File size (compressed) :66'012 bytes
File size (de-compressed) :175'424 bytes
Format:linux/arm
Packed file: ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/4a1a2331-017a-4782-9db0-1e60afd45656/
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.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

Unix.Trojan.Mirai-10059006-0
Create hunting rule

Unix.Trojan.Mirai-10059216-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Link:
https://www.filescan.io/uploads/69a84c959eaae8465942d229/reports/c1e7b440-4c13-44b3-a0da-5b82e0ae0b7d/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/47af77f0-33a9-451e-ac8c-8ff352cbeab2
Behavior Graph:
Download SVG
%3 guuid=4263bb25-1a00-0000-c9d9-5149ee090000 pid=2542 /usr/bin/sudo guuid=cfd7e227-1a00-0000-c9d9-5149f6090000 pid=2550 /tmp/sample.bin guuid=4263bb25-1a00-0000-c9d9-5149ee090000 pid=2542->guuid=cfd7e227-1a00-0000-c9d9-5149f6090000 pid=2550 execve
Gathering data
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1878280
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1878280 Sample: Polar.arm.elf Startdate: 04/03/2026 Architecture: LINUX Score: 80 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 moiamonprime.myddns.me 143.20.185.225, 50562, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->24 26 daisy.ubuntu.com 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 2 other signatures 2->34 8 Polar.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 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/a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-04 15:15:39 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=vdg6xm4ke46zkoht6plkvs6qqnwsl6kjp2l6vhtkfowe3ixlqcda._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260304-sm6hcscz3s/
Malware Config
C2 Extraction:
moiamonprime.myddns.me
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/a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05

Mirai

elf a8cdebb38a273d9538f3f3d6aacbd0836d25f9497e97ea9e6a2bac4da2eb8086

(this sample)

  
Dropped by
SHA256 ec9b01ca07e25e58a090b0f43db2a4990935b24cb3b5cdc10a9565ae09a46d05
  
URLhaus
https://urlhaus.abuse.ch/url/3711540/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 13eb09bcb6f24676f206c216ec6824b0

Comments