MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43abb0c9f2b7a8f8ff5abcd3135ef027129fe69dc0f63d8f352883d079f897d9. 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 14 File information Comments

SHA256 hash: 43abb0c9f2b7a8f8ff5abcd3135ef027129fe69dc0f63d8f352883d079f897d9
SHA3-384 hash: 09de67446518da04ddd04f02217615bbfa229abdbcde646d2b8f0c84385736ab4f4615499085e0cd4dc1c8ea6b8f4f6c
SHA1 hash: 881c7b2d7891adb1196f68f8a666e746d031380b
MD5 hash: ab002f707af9a4054c0fcb4e5fa22a68
humanhash: mars-friend-king-maine
File name:Polar.i686
Download: download sample
Signature Mirai
File size:145'772 bytes
First seen:2025-12-04 16:40:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:FUSe5pBZUf5e0b2O9aA6d7XEjYlfJnXVl2F3tlj:FUpH7q5db2O9oRuFdl
TLSH T10AE3488CF68BC1F5E8074970A066B3FFCB32A47840B2D65EDF99AF35CA235419616358
telfhash t13e5178b9b6760dec8bd08503f74e6721dd0eab7f782436b605fa19843773142926ac39
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 47b0a3737f2f2d883517a4e1d993d46df24003b94ccc219362feee6c401fa1e0
File size (compressed) :58'904 bytes
File size (de-compressed) :145'772 bytes
Format:linux/i386
Packed file: 47b0a3737f2f2d883517a4e1d993d46df24003b94ccc219362feee6c401fa1e0

Intelligence


File Origin
# of uploads :
1
# of downloads :
37
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-04T14:48:00Z UTC
Last seen:
2025-12-04T21:07:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
68 / 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826514 Sample: Polar.i686.elf Startdate: 04/12/2025 Architecture: LINUX Score: 68 26 uraniumc2.ddns.net 2->26 28 uraniumc2.ddns.net 143.20.185.225, 55696, 69 LANCAMANTOANISERVICOSDEINFORMATICALTDA-MEBR United States 2->28 30 5 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       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-04 16:41:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
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
Verdict:
Malicious
Tags:
trojan gafgyt mirai 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
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_ea92cca8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 43abb0c9f2b7a8f8ff5abcd3135ef027129fe69dc0f63d8f352883d079f897d9

(this sample)

  
Delivery method
Distributed via web download

Comments