MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8151f4c91bf133a67132163c176f586a34437c7f6ef61c93505e71e4aa278bab. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 8151f4c91bf133a67132163c176f586a34437c7f6ef61c93505e71e4aa278bab
SHA3-384 hash: a8b500e01a27582bd702e9a4d9002d74fd93112727250237d6ba956df3ec5b65c5df2def1755ab8218c78d7a27b392c5
SHA1 hash: 9b5e66be8327c3319d703bb9a57d7a86eed02971
MD5 hash: dc58fa2bdc5671fa7d173e12e2eb0029
humanhash: montana-cat-india-early
File name:sora.arm6
Download: download sample
Signature Mirai
File size:43'528 bytes
First seen:2026-02-12 01:13:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:VZNdl/fR3nvTGkNh+dAXAea8k3qIO5Hopq/G1s3CPcpkwp42KZPu3U03wf3N:rlh/f/kqAP8kiIUGAjCwpatfd
TLSH T1AC13F158828C47B0CB9429B2D43C88C263DB75B9327734568C834ED5AA38D8B7777F92
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) :43'528 bytes
File size (de-compressed) :99'632 bytes
Format:linux/arm
Unpacked file: 3d1672c424effbd0b52f2c68431aba1e99dfd9522bdb531cfec2117355d4593c

Intelligence


File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=68ad538c-1900-0000-1e73-4aca260b0000 pid=2854 /usr/bin/sudo guuid=75fd0c8e-1900-0000-1e73-4aca2e0b0000 pid=2862 /tmp/sample.bin guuid=68ad538c-1900-0000-1e73-4aca260b0000 pid=2854->guuid=75fd0c8e-1900-0000-1e73-4aca2e0b0000 pid=2862 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-02-12 01:14:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora 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 8151f4c91bf133a67132163c176f586a34437c7f6ef61c93505e71e4aa278bab

(this sample)

  
Delivery method
Distributed via web download

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