MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1. 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: 12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1
SHA3-384 hash: 619c8eafdee61740b516d6b081837197f3f7aa083026c1e8e6e9c8ceeb3c6530569991b9e970162420632c79244679a1
SHA1 hash: 63064e4eae279fda8864e60c701e84907fb8ac03
MD5 hash: d769704be760d812b3c3cae9db279f37
humanhash: five-vermont-kilo-louisiana
File name:Polar.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:136'140 bytes
First seen:2025-12-04 15:59:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:WwBMW8BmsVHFrp0Ur9SmOOPE+Wzsand9w0g:zBMXBmsVHloNDn/w0
TLSH T19AD36DC4F68FD0F6E81215722027B7329B76ED3A113EDA43C3B89A759C93581C91A36C
telfhash t1ad513ab5bb7608e8a7e08803e24d4731bd0da7bb682436f245f35975327a64244b7d39
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 803e382100c15488668821185252b67deb6e3e2f4abb794db3b01e6d62457f32
File size (compressed) :56'120 bytes
File size (de-compressed) :136'140 bytes
Format:linux/i386
Packed file: 803e382100c15488668821185252b67deb6e3e2f4abb794db3b01e6d62457f32

Intelligence

File Origin
# of uploads :
1
# of downloads :
42
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/701f7f62-4e5d-4cb8-a4ec-39067e8e70f7/
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

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Link:
https://www.filescan.io/uploads/6931b01cfee3f1394f7369c5/reports/7747cf9b-a644-4c81-801f-845d62dd9399/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T14:10:00Z UTC
Last seen:
2025-12-04T20:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/337d2c88-5ce6-4040-bd13-5f15d0841d0e
Behavior Graph:
Download SVG
%3 guuid=fa86019b-1800-0000-0465-63f1fe090000 pid=2558 /usr/bin/sudo guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564 /tmp/sample.bin net guuid=fa86019b-1800-0000-0465-63f1fe090000 pid=2558->guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=732d979d-1800-0000-0465-63f1050a0000 pid=2565 /tmp/sample.bin guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564->guuid=732d979d-1800-0000-0465-63f1050a0000 pid=2565 clone guuid=419f92ca-1900-0000-0465-63f14f0c0000 pid=3151 /tmp/sample.bin guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564->guuid=419f92ca-1900-0000-0465-63f14f0c0000 pid=3151 clone guuid=94b998ca-1900-0000-0465-63f1500c0000 pid=3152 /tmp/sample.bin net send-data zombie guuid=9be6669d-1800-0000-0465-63f1040a0000 pid=2564->guuid=94b998ca-1900-0000-0465-63f1500c0000 pid=3152 clone guuid=75ebaa9d-1800-0000-0465-63f1060a0000 pid=2566 /tmp/sample.bin guuid=732d979d-1800-0000-0465-63f1050a0000 pid=2565->guuid=75ebaa9d-1800-0000-0465-63f1060a0000 pid=2566 clone guuid=8fc2af9d-1800-0000-0465-63f1070a0000 pid=2567 /tmp/sample.bin dns net send-data zombie guuid=732d979d-1800-0000-0465-63f1050a0000 pid=2565->guuid=8fc2af9d-1800-0000-0465-63f1070a0000 pid=2567 clone guuid=8fc2af9d-1800-0000-0465-63f1070a0000 pid=2567->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 4b0e4b24-021f-5743-8b5a-ce89b76b814b uraniumc2.ddns.net:69 guuid=8fc2af9d-1800-0000-0465-63f1070a0000 pid=2567->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 6B guuid=94b998ca-1900-0000-0465-63f1500c0000 pid=3152->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=94b998ca-1900-0000-0465-63f1500c0000 pid=3152->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1826478
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826478 Sample: Polar.x86.elf Startdate: 04/12/2025 Architecture: LINUX Score: 60 26 uraniumc2.ddns.net 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 6 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 8 Polar.x86.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 36 Uses dynamic DNS services 26->36 process4 process5 16 Polar.x86.elf 8->16         started        18 Polar.x86.elf 8->18         started        20 Polar.x86.elf 8->20         started        process6 22 Polar.x86.elf 16->22         started        24 Polar.x86.elf 16->24         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-04 16:19:04 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cilqvnwydfrvywcxqz3wh6rsxfvjodizjbaieespfw42erbcqpqq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251204-tfw6saar7v/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/a12f9069-b280-4c6f-9022-7c65c993f928
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/12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1

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_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
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 803e382100c15488668821185252b67deb6e3e2f4abb794db3b01e6d62457f32

Mirai

elf 12170ab6d819635c5857867763fa32b96a970d19484082124f2db9a2442283e1

(this sample)

  
Dropped by
SHA256 803e382100c15488668821185252b67deb6e3e2f4abb794db3b01e6d62457f32
  
URLhaus
https://urlhaus.abuse.ch/url/3711502/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 45294594c3902cdd09c408fc3c7327c5
  
URLhaus
https://urlhaus.abuse.ch/url/3712740/

Comments