MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments

SHA256 hash: 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc
SHA3-384 hash: faccc60f920fa1932b14162edf0ff472dadc8492067c98dd40df9d3d5292fe80cf442fe7d578521559f0185b30f5efb1
SHA1 hash: 11c9be9e22039a1438afe07df021e7686072d2e2
MD5 hash: bdd5a429f1c2b00cbaf23b539f8696ed
humanhash: equal-yankee-two-virginia
File name:Polar.x86_64
Download: download sample
Signature Mirai
File size:182'472 bytes
First seen:2025-12-04 16:49:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oxXl0etuFYHIcW27uwDIfE2zh87/uGnrZ6WMxfyIaD6xpUg91sIkq:8XuIIcTqwDWQ/zDI5OHq
TLSH T175042906B5CCC0FDC896D1745BEFB136D971BC6D123C715B2788AE222E8BE602B6D644
telfhash t1a551bd342dd27a5821c7870ef30eedb8f9770a211de2b1a6ee27add4dd927840d56063
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 20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36
File size (compressed) :68'216 bytes
File size (de-compressed) :182'472 bytes
Format:linux/amd64
Packed file: 20d460ea9bf709ac442e35033cb512c5368e778ff2636bd6bce6a680b266fe36

Intelligence


File Origin
# of uploads :
1
# of downloads :
35
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
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2025-12-04T13:57:00Z UTC
Last seen:
2025-12-06T01:30:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=4eac0174-1900-0000-6e8a-d4dd920c0000 pid=3218 /usr/bin/sudo guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219 /tmp/sample.bin net guuid=4eac0174-1900-0000-6e8a-d4dd920c0000 pid=3218->guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=81ad8077-1900-0000-6e8a-d4dd940c0000 pid=3220 /tmp/sample.bin guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219->guuid=81ad8077-1900-0000-6e8a-d4dd940c0000 pid=3220 clone guuid=dd91f3a2-1a00-0000-6e8a-d4dd0a0f0000 pid=3850 /tmp/sample.bin guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219->guuid=dd91f3a2-1a00-0000-6e8a-d4dd0a0f0000 pid=3850 clone guuid=1f56f9a2-1a00-0000-6e8a-d4dd0b0f0000 pid=3851 /tmp/sample.bin dns net send-data zombie guuid=87cc2e77-1900-0000-6e8a-d4dd930c0000 pid=3219->guuid=1f56f9a2-1a00-0000-6e8a-d4dd0b0f0000 pid=3851 clone guuid=ff148677-1900-0000-6e8a-d4dd950c0000 pid=3221 /tmp/sample.bin guuid=81ad8077-1900-0000-6e8a-d4dd940c0000 pid=3220->guuid=ff148677-1900-0000-6e8a-d4dd950c0000 pid=3221 clone guuid=f5bc9077-1900-0000-6e8a-d4dd960c0000 pid=3222 /tmp/sample.bin dns net send-data zombie guuid=81ad8077-1900-0000-6e8a-d4dd940c0000 pid=3220->guuid=f5bc9077-1900-0000-6e8a-d4dd960c0000 pid=3222 clone guuid=f5bc9077-1900-0000-6e8a-d4dd960c0000 pid=3222->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 4b0e4b24-021f-5743-8b5a-ce89b76b814b uraniumc2.ddns.net:69 guuid=f5bc9077-1900-0000-6e8a-d4dd960c0000 pid=3222->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 6B guuid=1f56f9a2-1a00-0000-6e8a-d4dd0b0f0000 pid=3851->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B guuid=1f56f9a2-1a00-0000-6e8a-d4dd0b0f0000 pid=3851->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 6B
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
76 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826527 Sample: Polar.x86_64.elf Startdate: 04/12/2025 Architecture: LINUX Score: 76 26 uraniumc2.ddns.net 2->26 28 uraniumc2.ddns.net 143.20.185.225, 60974, 60976, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->28 30 3 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 38 Yara detected Gafgyt 2->38 8 Polar.x86_64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Uses dynamic DNS services 26->40 process4 process5 16 Polar.x86_64.elf 8->16         started        18 Polar.x86_64.elf 8->18         started        20 Polar.x86_64.elf 8->20         started        process6 22 Polar.x86_64.elf 16->22         started        24 Polar.x86_64.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-04 16:50:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
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_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_6a77af0f Linux_Trojan_Mirai_e0cf29e2
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_6a77af0f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:unixredflags3
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 7051723d74a444ba980d42e08b88fe3685bc5bd3957e88367786457c23fe29cc

(this sample)

  
Delivery method
Distributed via web download

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