MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 271d6a0e041ad8a3fcb638d869b36abc1d358509f69a57817c561723973dd305. 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 3 File information Comments

SHA256 hash: 271d6a0e041ad8a3fcb638d869b36abc1d358509f69a57817c561723973dd305
SHA3-384 hash: a6608af4bcaa22777e85b9fd6d6360942c8f627ff77a2482d8bff23e9e55408277c435f63ff4a7ac54b6a46f450d79e2
SHA1 hash: 285bf3eab7a65fed18151148c14b46a828bd3cc1
MD5 hash: 86670b5834594fb8ce597798403e74c8
humanhash: eight-oranges-california-illinois
File name:Mark90c80.mips
Download: download sample
Signature Mirai
File size:64'236 bytes
First seen:2025-12-28 07:43:05 UTC
Last seen:2025-12-28 09:23:52 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:q2B7nV3grFo57LXSahpq4T6hEAtWTVfTs4GaKH7wwMaYPVJu2:qmnJhFUhbtWJ45H7tMPPVQ2
TLSH T1AF53F16900B551A5F2EEE1F41EB74BA46D6205BFE7098CB7825CFC238412FA23C576D1
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
File size (compressed) :64'236 bytes
File size (de-compressed) :203'280 bytes
Format:linux/mips
Unpacked file: 93fd20938e354fba90256bc39b38553b53bd394755a413cb1851c7b4f4ea7181

Intelligence


File Origin
# of uploads :
3
# of downloads :
48
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-27T21:43:00Z UTC
Last seen:
2025-12-27T22:03:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=058c9642-1b00-0000-7463-47087b080000 pid=2171 /usr/bin/sudo guuid=336e2d46-1b00-0000-7463-470882080000 pid=2178 /tmp/sample.bin guuid=058c9642-1b00-0000-7463-47087b080000 pid=2171->guuid=336e2d46-1b00-0000-7463-470882080000 pid=2178 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840729 Sample: Mark90c80.mips.elf Startdate: 28/12/2025 Architecture: LINUX Score: 52 17 yummystakes.win 41.216.189.149, 12121, 44418, 44420 AS40676US South Africa 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 Sample is packed with UPX 2->21 9 Mark90c80.mips.elf 2->9         started        signatures3 process4 process5 11 Mark90c80.mips.elf 9->11         started        process6 13 Mark90c80.mips.elf 11->13         started        process7 15 Mark90c80.mips.elf 13->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Suspicious
First seen:
2025-12-28 02:35:33 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Deletes log files
Enumerates active TCP sockets
Enumerates running processes
Deletes Audit logs
Deletes system logs
Mirai
Mirai family
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 271d6a0e041ad8a3fcb638d869b36abc1d358509f69a57817c561723973dd305

(this sample)

  
Delivery method
Distributed via web download

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