MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97
SHA3-384 hash: ff46f454d9efd7a0f58498365c82829fea4c9ec4b1da70b8da7c20b085e461b97c400443380028150795950c5f7cb2cd
SHA1 hash: 5e5d073590b382e6187c828bffbc5222b2248bde
MD5 hash: 874422759d9f46b072962485b8308e9e
humanhash: five-texas-red-louisiana
File name:sora.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:28'160 bytes
First seen:2026-01-19 12:39:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:UiNfg1Tvi8CV+WMmW8Jn48FNFbBVHX9Q0s3Uoz+:Uiq1TMVvlJzNFbBVHtmz+
TLSH T18CC2E1F2D18A7C70D7B154F2EAFE8AD33F764B68E0FA362351A412905B958052276583
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) :28'160 bytes
File size (de-compressed) :69'452 bytes
Format:linux/arm
Unpacked file: fdcbb6e7ad6aa0762e7fbe1f625135aad4aa25b8a56b684ece223fa82806d570

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8384f039-e727-4e19-9231-c898e38ee453/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/696e264d7d854a6144e6663d/reports/f0d37353-0532-4420-8655-2e4b366eaeda/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T10:07:00Z UTC
Last seen:
2026-01-20T12:43:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ddfa0ece-b9ac-4ad4-b05e-d1ecf0911b2e
Behavior Graph:
Download SVG
%3 guuid=a1839072-1a00-0000-15ff-f296690d0000 pid=3433 /usr/bin/sudo guuid=eb1d4674-1a00-0000-15ff-f296700d0000 pid=3440 /tmp/sample.bin guuid=a1839072-1a00-0000-15ff-f296690d0000 pid=3433->guuid=eb1d4674-1a00-0000-15ff-f296700d0000 pid=3440 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28d9cdb7-8a05-4230-a248-741424a2e101
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1853359
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853359 Sample: sora.arm.elf Startdate: 19/01/2026 Architecture: LINUX Score: 76 42 170.121.251.179 WMATAUS United States 2->42 44 31.159.61.241 VODAFONE-IT-ASNIT Italy 2->44 46 98 other IPs or domains 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected Mirai 2->52 54 Sample is packed with UPX 2->54 10 sora.arm.elf 2->10         started        signatures3 process4 process5 12 sora.arm.elf 10->12         started        14 sora.arm.elf 10->14         started        16 sora.arm.elf 10->16         started        process6 18 sora.arm.elf 12->18         started        20 sora.arm.elf 12->20         started        22 sora.arm.elf 14->22         started        24 sora.arm.elf 14->24         started        26 sora.arm.elf 14->26         started        process7 28 sora.arm.elf 18->28         started        30 sora.arm.elf 18->30         started        32 sora.arm.elf 18->32         started        34 sora.arm.elf 22->34         started        36 sora.arm.elf 22->36         started        process8 38 sora.arm.elf 28->38         started        40 sora.arm.elf 28->40         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 12:40:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ww6nsoa4ennmvadnn4mpcqbl3wrbhgz4tlytr7my57kxinisdolq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260119-pwh7msez5f/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0477b02d-3507-4a7d-8444-656a06af9fab
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/b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97

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:upx_packed_elf_v1
Create hunting rule
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 b5bcd9381c235aca806d6f18f1402bdda2139b3c9af138fd98efd57435121b97

(this sample)

Mirai

elf fdcbb6e7ad6aa0762e7fbe1f625135aad4aa25b8a56b684ece223fa82806d570

  
Dropping
SHA256 fdcbb6e7ad6aa0762e7fbe1f625135aad4aa25b8a56b684ece223fa82806d570
  
Dropping
MD5 c773150fbd57cb3913e5abe3cc380d38
  
URLhaus
https://urlhaus.abuse.ch/url/3760238/
  
Delivery method
Distributed via web download

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