MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d
SHA3-384 hash: b1d0109bb66c655953336401a01071336a4c81637a53b1cf049a35fbb5827c43820ff6314dd801ce1b912b69d2d1c1ac
SHA1 hash: 65631a64168ed77dd57467d3c9f8414bac42fda5
MD5 hash: 19f8497d200d19e39cdd433cbf2a38fa
humanhash: nitrogen-three-bluebird-lion
File name:sora.arm64
Download: download sample
Signature Mirai
Create hunting rule
File size:665'264 bytes
First seen:2026-01-17 17:23:45 UTC
Last seen:2026-01-18 07:57:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:dev4RTvIHdRQWS4FBrr0+FsB+MvpGWnIuTlojQuhxFT5DsTa2DTe3gi8tmgEoqw3:wRQsrr1qQMvpwslFuNSTasU5w58ROn
TLSH T149E47D98FE5E3D43E2C7E27C9A8A47B1312BB1E4D72282E27541531DE4C6AEEC7E1501
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135890-0
Create hunting rule

Unix.Dropper.Mirai-7135939-0
Create hunting rule

Unix.Dropper.Mirai-7136025-0
Create hunting rule

Unix.Trojan.Mirai-9819563-0
Create hunting rule

Unix.Trojan.Mirai-9820623-0
Create hunting rule

Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-17T14:48:00Z UTC
Last seen:
2026-01-18T14:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/6046cf93-7534-45a7-a895-075c9b0dd215
Behavior Graph:
Download SVG
%3 guuid=40ef8274-1800-0000-6201-a89ff6060000 pid=1782 /usr/bin/sudo guuid=a8f49d77-1800-0000-6201-a89ffb060000 pid=1787 /tmp/sample.bin guuid=40ef8274-1800-0000-6201-a89ff6060000 pid=1782->guuid=a8f49d77-1800-0000-6201-a89ffb060000 pid=1787 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3046eae4-6301-48c9-8390-eba655edc9af
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1852535
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852535 Sample: sora.arm64.elf Startdate: 17/01/2026 Architecture: LINUX Score: 68 28 187.142.1.83, 23 UninetSAdeCVMX Mexico 2->28 30 141.150.114.77 UUNETUS United States 2->30 32 98 other IPs or domains 2->32 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 8 sora.arm64.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.arm64.elf 8->14         started        16 sora.arm64.elf 8->16         started        19 sora.arm64.elf 8->19         started        signatures6 21 sora.arm64.elf 14->21         started        24 sora.arm64.elf 14->24         started        26 sora.arm64.elf 14->26         started        34 Sample tries to kill multiple processes (SIGKILL) 16->34 process7 signatures8 42 Sample tries to kill multiple processes (SIGKILL) 21->42
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-17 17:24:35 UTC
File Type:
ELF64 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jen5r5xijnws74utubd2h3pd6skv2hphgtqcfxl6raz6liy5zewq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260117-vyxeyahs6c/
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135890-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/0b91503c-8fef-44dd-9ee6-b058e95759be
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d

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
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:malwareelf55503
Create hunting rule
Rule name:unixredflags3
Create hunting rule
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 491bd8f6e84b6d2ff293a047a3ede3f4955d1de734e022dd7e8833e5a31dc92d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759453/
  
Delivery method
Distributed via web download

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