MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230
SHA3-384 hash: fc27660f7eab2c9be1ec8102021ef457a040ff0e33f7c1bf674d85c4811c428dfc026f49f4f1641116beba39d3e3f492
SHA1 hash: 176661718cde7f97844d8078205a7b39d2966229
MD5 hash: e48848a72708c66bb1c1ff10d2889dc5
humanhash: fifteen-mike-eight-carpet
File name:byte.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:105'524 bytes
First seen:2026-01-18 18:53:17 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:4upmsGFDktcZaI5kGGwPxw5jeTWHog4qJu:JpmsG5PZaI5kGGex8eCHzJu
TLSH T19FA31946B9819F11D4D621BAFAAE408833136BBCD3EE7111DC20AF5527CA99B0F77612
telfhash t13e11dc01db841eccbbc1874ca3ca223b29fe335866122818a32e970f4656cc2b418c37
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
35
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Link:
https://research.acce.ciphertechsolutions.com/results/d697cf96-3e10-47e0-94d0-d4c48829313b/
Detection(s):
Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28959.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135898-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade rust
Link:
https://www.filescan.io/uploads/696d2c6cfdafd7624ab03c7c/reports/84d4e8cb-d38a-4851-9d4a-fc441562110a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-18T17:07:00Z UTC
Last seen:
2026-01-19T12:53:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e6377ad3-f5b3-4010-93e0-df1a9af3fca6
Behavior Graph:
Download SVG
%3 guuid=2fdca605-1a00-0000-cb09-d52aea0a0000 pid=2794 /usr/bin/sudo guuid=a92b3208-1a00-0000-cb09-d52aeb0a0000 pid=2795 /tmp/sample.bin guuid=2fdca605-1a00-0000-cb09-d52aea0a0000 pid=2794->guuid=a92b3208-1a00-0000-cb09-d52aeb0a0000 pid=2795 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2dd868d-9f3e-448b-ae36-ed1c950ad675
Result
Threat name:
Gafgyt, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1852917
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1852917 Sample: byte.arm7.elf Startdate: 18/01/2026 Architecture: LINUX Score: 80 55 50.46.152.249, 23 ZIPLY-FIBER-LEGACY-ASNUS United States 2->55 57 91.140.69.172, 23 WIND-ASGR Greece 2->57 59 99 other IPs or domains 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected Okiru 2->63 65 Yara detected Gafgyt 2->65 8 byte.arm7.elf 2->8         started        10 systemd gpu-manager 2->10         started        12 systemd gpu-manager 2->12         started        14 80 other processes 2->14 signatures3 process4 signatures5 17 byte.arm7.elf 8->17         started        19 byte.arm7.elf 8->19         started        22 byte.arm7.elf 8->22         started        30 6 other processes 10->30 32 6 other processes 12->32 75 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->75 24 gpu-manager sh 14->24         started        26 gpu-manager sh 14->26         started        28 gpu-manager sh 14->28         started        34 20 other processes 14->34 process6 signatures7 36 byte.arm7.elf 17->36         started        47 4 other processes 17->47 67 Sample tries to kill a massive number of system processes 19->67 69 Sample tries to kill multiple processes (SIGKILL) 19->69 39 sh grep 24->39         started        41 sh grep 26->41         started        43 sh grep 28->43         started        49 6 other processes 30->49 51 6 other processes 32->51 45 sh grep 34->45         started        53 12 other processes 34->53 process8 signatures9 71 Sample tries to kill a massive number of system processes 36->71 73 Sample tries to kill multiple processes (SIGKILL) 36->73
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-18 18:30:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vc6muq5wgzjq3tydupkvyjszcm4babhlltho5aekiekzjf55oiya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:sora defense_evasion discovery
Link:
https://tria.ge/reports/260118-xj2gfsdw4e/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (341209) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135890-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8d749986-354f-440c-828b-fb04d9d9caf1
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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
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 a8bcca43b636530dcf03a3d55c265913381004eb5cceee808a41159497bd7230

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759874/
  
Delivery method
Distributed via web download

Comments