MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a4e39c950a12f61981559a811d2dfc5fc71c397d7ef96362006d52627c29fd7. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 7a4e39c950a12f61981559a811d2dfc5fc71c397d7ef96362006d52627c29fd7
SHA3-384 hash: 090ed987a45aade96498af3692124b05e5757399aa5e3b694bee4970c57b5c51f40ed59db310e5c32080fd949b4ac876
SHA1 hash: 6a19a82ccb42a75e4d33d3c95c44396c57e9a8a0
MD5 hash: 3cca90e52589849412cde7ca8fe22d95
humanhash: lithium-orange-failed-leopard
File name:Polar.ppc
Download: download sample
Signature Mirai
File size:176'444 bytes
First seen:2025-11-18 17:24:49 UTC
Last seen:2025-11-21 08:05:07 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:vvU3dciipyJmllVdGNtPC5xC8ne6BsNxtfL0GXz3c6IkkSGAK:vct4FBKxdL0GXjcfkkSGAK
TLSH T169046C02731C0907D1672EF0273F67E193EFD9A215E8E744654FAA8E9172E32158AECD
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 960f34a56db4119d5389521cdd975feb82ea3feb63074659f6f7261df11c1524
File size (compressed) :65'544 bytes
File size (de-compressed) :176'444 bytes
Format:linux/ppc32
Packed file: 960f34a56db4119d5389521cdd975feb82ea3feb63074659f6f7261df11c1524

Intelligence


File Origin
# of uploads :
2
# of downloads :
137
Origin country :
NL NL
Vendor Threat Intelligence
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
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-18T15:43:00Z UTC
Last seen:
2025-11-20T15:00:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1c39d7c5-1a00-0000-f4b3-587e3f0b0000 pid=2879 /usr/bin/sudo guuid=7c8bdac7-1a00-0000-f4b3-587e460b0000 pid=2886 /tmp/sample.bin guuid=1c39d7c5-1a00-0000-f4b3-587e3f0b0000 pid=2879->guuid=7c8bdac7-1a00-0000-f4b3-587e460b0000 pid=2886 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816295 Sample: Polar.ppc.elf Startdate: 18/11/2025 Architecture: LINUX Score: 68 22 uraniumc2.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 3 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Yara detected Gafgyt 2->32 8 Polar.ppc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 Polar.ppc.elf 8->12         started        14 Polar.ppc.elf 8->14         started        16 Polar.ppc.elf 8->16         started        process6 18 Polar.ppc.elf 12->18         started        20 Polar.ppc.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-18 17:26:44 UTC
File Type:
ELF32 Big (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_ea92cca8
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:Mirai_Unpack
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 7a4e39c950a12f61981559a811d2dfc5fc71c397d7ef96362006d52627c29fd7

(this sample)

  
Delivery method
Distributed via web download

Comments