MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19
SHA3-384 hash: 1a5d5f53d76071e0f7de870f2f2254d5083ec12696092e27c823daba289bb38ffba74e181afa48f7b7d7e14732de40cd
SHA1 hash: 86e5bb7de262ef6b0d694ce6ccd742fb33e218d8
MD5 hash: 5af73111e43dee9bcf38a89cfa80c147
humanhash: magnesium-black-texas-rugby
File name:sora.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:27'352 bytes
First seen:2026-01-09 03:01:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 384:XH2HEdV7UQDoYQHXxcjllK5+AWaFmK0MF9lz7X6AGexXVzonBY6plNMgqJXhymdq:myNUQUfhQllxlaH0MFjlOnGsuLs3UozX
TLSH T1E8C2E0A95228C472F1B49436FDBF01036736CEE8DAAF362622144734E087D2696B4B4B
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) :27'352 bytes
File size (de-compressed) :70'860 bytes
Format:linux/arm
Unpacked file: 711b5a37c582c7c560d1077724ca8dcf4fb6ba016ba29a9e4f59758b5707fb8c

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a4d58f8d-6af9-41fd-bb60-c969e514b657/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9955505-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/69606fd247c44dd4f7752ce7/reports/7b795a5c-7ce7-4a45-b5bc-982e5e10ed9f/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T01:23:00Z UTC
Last seen:
2026-01-10T20:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7565c4d1-32b1-4395-9f76-7ff3c2f43b18
Behavior Graph:
Download SVG
%3
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/82e5da5e-87f6-4ef6-badc-29d378832ece
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1847073
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847073 Sample: sora.arm.elf Startdate: 09/01/2026 Architecture: LINUX Score: 80 30 155.160.97.19 ZAMRENZM Japan 2->30 32 207.86.206.245 XO-AS15US United States 2->32 34 98 other IPs or domains 2->34 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Mirai 2->42 44 Sample is packed with UPX 2->44 8 sora.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash grep 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 sora.arm.elf 8->16         started        18 sora.arm.elf 8->18         started        21 sora.arm.elf 8->21         started        signatures6 23 sora.arm.elf 16->23         started        26 sora.arm.elf 16->26         started        28 sora.arm.elf 16->28         started        36 Sample tries to kill multiple processes (SIGKILL) 18->36 process7 signatures8 46 Sample tries to kill multiple processes (SIGKILL) 23->46
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-09 03:03:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhefzhk5ggw6chm5qh2lda2eswj3wy663rk7wovrus7c254p3imq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/260109-djsd1abz2e/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9955505-0
YARA:
n/a
Link:
https://app.threat.zone/submission/aa4b8553-d688-4f90-86f8-bc9ce945c8ad
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: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 a9c85c9d5d31ade11d9d81f4b183449593bb63dedc55fb3ab1a4be2d778fda19

(this sample)

Mirai

elf 711b5a37c582c7c560d1077724ca8dcf4fb6ba016ba29a9e4f59758b5707fb8c

  
URLhaus
https://urlhaus.abuse.ch/url/3753709/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 711b5a37c582c7c560d1077724ca8dcf4fb6ba016ba29a9e4f59758b5707fb8c
  
Dropping
MD5 7692c97d2720914e91843a6760e8a4fc

Comments