MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4
SHA3-384 hash: 7c6e374add3195cceade806328b2a3bd3e51a045a46a5d085af5f992ca555c95b89f68fd5e9b297c2227dd3a88b5945a
SHA1 hash: 8c8020dd7001ec632506865d15f3643e88f34c1d
MD5 hash: 46745abc9ff5c12b206d1dd692f8c129
humanhash: helium-texas-lima-timing
File name:Polar.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:144'620 bytes
First seen:2025-11-18 17:26:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:BXmJjGj6QGB0Hx/P3Qo8X4JAlM2orRYlc6J:BXKGj6QGaHx/jv2c6J
TLSH T152E3288DFA8BC5F6D80788709026B3FFC731B4294076D35ADF99EF35CA239819616258
telfhash t1d4514afab6b60cec67d08903f74e5b61dd0d6bbb246436ba09f21591367210253a6c3d
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 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
File size (compressed) :58'920 bytes
File size (de-compressed) :144'620 bytes
Format:linux/i386
Packed file: 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.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:

Behaviour
Connection attempt
DNS request
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/691cac7e95709d0fdece7051/reports/acdcebc3-ef12-4b68-85d3-a0002aa60d9a/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
10
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4
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:
2025-11-18T15:37:00Z UTC
Last seen:
2025-11-20T15:32:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f30ef6fd-41d2-4f5f-971b-c505f1b772d4
Behavior Graph:
Download SVG
%3 guuid=aedf4aec-1e00-0000-a6f2-a816fd070000 pid=2045 /usr/bin/sudo guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053 /tmp/sample.bin net guuid=aedf4aec-1e00-0000-a6f2-a816fd070000 pid=2045->guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=e99212ef-1e00-0000-a6f2-a81606080000 pid=2054 /tmp/sample.bin guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053->guuid=e99212ef-1e00-0000-a6f2-a81606080000 pid=2054 clone guuid=9c187d1c-2000-0000-a6f2-a816400a0000 pid=2624 /tmp/sample.bin guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053->guuid=9c187d1c-2000-0000-a6f2-a816400a0000 pid=2624 clone guuid=0cb4821c-2000-0000-a6f2-a816410a0000 pid=2625 /tmp/sample.bin net send-data zombie guuid=ae06d3ee-1e00-0000-a6f2-a81605080000 pid=2053->guuid=0cb4821c-2000-0000-a6f2-a816410a0000 pid=2625 clone guuid=28531eef-1e00-0000-a6f2-a81607080000 pid=2055 /tmp/sample.bin guuid=e99212ef-1e00-0000-a6f2-a81606080000 pid=2054->guuid=28531eef-1e00-0000-a6f2-a81607080000 pid=2055 clone guuid=d00e29ef-1e00-0000-a6f2-a81608080000 pid=2056 /tmp/sample.bin dns net send-data zombie guuid=e99212ef-1e00-0000-a6f2-a81606080000 pid=2054->guuid=d00e29ef-1e00-0000-a6f2-a81608080000 pid=2056 clone guuid=d00e29ef-1e00-0000-a6f2-a81608080000 pid=2056->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 4b0e4b24-021f-5743-8b5a-ce89b76b814b uraniumc2.ddns.net:69 guuid=d00e29ef-1e00-0000-a6f2-a81608080000 pid=2056->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 6B guuid=0cb4821c-2000-0000-a6f2-a816410a0000 pid=2625->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=0cb4821c-2000-0000-a6f2-a816410a0000 pid=2625->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99ff70f7-0c9d-4736-b083-772ed02a7d1a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1816324
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816324 Sample: Polar.i686.elf Startdate: 18/11/2025 Architecture: LINUX Score: 68 26 uraniumc2.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 7 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 8 Polar.i686.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 38 Uses dynamic DNS services 26->38 process4 process5 16 Polar.i686.elf 8->16         started        18 Polar.i686.elf 8->18         started        20 Polar.i686.elf 8->20         started        process6 22 Polar.i686.elf 16->22         started        24 Polar.i686.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 17:27:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ycl2k7aigtgcf5nc5hve4enxmglqjc2uau6gk2ilx3ljov2dussa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251118-v1mzaaxmcx/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
Link:
https://app.threat.zone/submission/e8aaa38f-014b-404f-9eb9-9db3f0ae89ab
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4

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_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Mirai_Unpack
Create hunting rule
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 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5

Mirai

elf c097a57c0834cc22f5a2e9ea4e11b76197048b54053c65690bbed6975743a4a4

(this sample)

  
Dropped by
SHA256 65c49192f027e00c5e1c9e189fe75052368d4c3b6e9a0cc9f3cea6e910e691e5
  
URLhaus
https://urlhaus.abuse.ch/url/3711495/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711498/
  
Dropped by
MD5 f33ecc5b834b44c9322f46f7833032d6

Comments