MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e71d81bf192f040d0ea8745ee49be356c84ab886538fc96f2cae915e31b019c3. 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 3 File information Comments

SHA256 hash: e71d81bf192f040d0ea8745ee49be356c84ab886538fc96f2cae915e31b019c3
SHA3-384 hash: 3d9fa0ea19d1063edb76dbecbbd9446433c84e96e090d777d4d0ad1a0c5c8925b27b2b7395024ff7d498b08fd2a2bc59
SHA1 hash: c5958fd125c25e9b09261103e125eca11d0781e0
MD5 hash: c8786ad3a54a32d255c9abce3a83d0ab
humanhash: xray-fish-single-black
File name:m9x7k2v8b3.arm6
Download: download sample
Signature Mirai
File size:45'108 bytes
First seen:2025-12-31 19:14:26 UTC
Last seen:2025-12-31 21:17:43 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:j85MGXv34qT/8woJEefQoQnoNJv9XFxKg0mTNVBN+17SR00dkWb+SVZACdSSnQhq:jYMGXv3hqJJgKxFAkTpN67SRpkdoSSQc
TLSH T1A813F1F6DD08F8B0DE2819F1A5601AC3CD9B18BCA0F97115456A4C8C6DCBE96B2FC197
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) :45'108 bytes
File size (de-compressed) :99'932 bytes
Format:linux/arm
Unpacked file: 11acce7e32a9f1f4a006e1200bc99a1240eaa3f8e1f6854dee8e27b1f01dae14

Intelligence


File Origin
# of uploads :
3
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T16:22:00Z UTC
Last seen:
2025-12-31T16:48:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw
Status:
terminated
Behavior Graph:
%3 guuid=27f575ee-1900-0000-dbc5-87f94a0a0000 pid=2634 /usr/bin/sudo guuid=39e14ef0-1900-0000-dbc5-87f94f0a0000 pid=2639 /tmp/sample.bin guuid=27f575ee-1900-0000-dbc5-87f94a0a0000 pid=2634->guuid=39e14ef0-1900-0000-dbc5-87f94f0a0000 pid=2639 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: 1842812 Sample: m9x7k2v8b3.arm6.elf Startdate: 31/12/2025 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 4 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 m9x7k2v8b3.arm6.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-31 18:40:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery upx
Behaviour
Reads runtime system information
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 e71d81bf192f040d0ea8745ee49be356c84ab886538fc96f2cae915e31b019c3

(this sample)

  
Delivery method
Distributed via web download

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