MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
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SHA256 hash: a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea
SHA3-384 hash: 48708d816f3dbbf5845b16b786e6e5dab4d7df0ed70d7fda4e95ff019780002c4e0398eb8a5b198e20c5646cfc47a137
SHA1 hash: 288fb1f57807130dcd062b1b3230f2e7a8c77428
MD5 hash: edba1f666cd80e7f9a1d73febbfafd21
humanhash: maryland-one-chicken-october
File name:Tsunami.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:192'768 bytes
First seen:2025-05-12 17:47:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:78WjUb6mIiH/I5FX7W7f5I5ZB+A3K4gCJI//HDJ6d/:78Wwb6rrPX08K4gCI//F6d/
TLSH T133142945BC819E23C6D512BBFB6E018D371967E8D2EE3203CD251F60378A95B0D7AB46
telfhash t1f1c08c313a940be55ec4408a089b992ce6c73c84ab1835aacd49958e8ca2ed23108c2b
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 73ba027cf9e2da89dab204b37c7fb4c7b2c2e228338d37ed37d961ab02f03b4c
File size (compressed) :66'076 bytes
File size (de-compressed) :192'768 bytes
Format:linux/arm
Packed file: 73ba027cf9e2da89dab204b37c7fb4c7b2c2e228338d37ed37d961ab02f03b4c

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

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

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135870-0
Create hunting rule

Unix.Dropper.Mirai-7135881-0
Create hunting rule

Unix.Dropper.Mirai-7135996-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136033-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9807962-0
Create hunting rule

Unix.Trojan.Mirai-9808381-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682235c44a59e5a2ce04039flinux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade mirai obfuscated remote
Link:
https://www.filescan.io/uploads/6822344b0b64e174c4237a7e/reports/31e663d1-deea-4932-a15d-503830f2f195/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
27
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd09ec0e-8032-4184-8019-33a5c0e5feb7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1688227
Signature
Antivirus / Scanner detection for submitted sample
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: 1688227 Sample: Tsunami.arm.elf Startdate: 12/05/2025 Architecture: LINUX Score: 100 27 172.216.225.185, 23 YAHOO-1US United States 2->27 29 40.141.129.197, 23 WINDSTREAMUS United States 2->29 31 99 other IPs or domains 2->31 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Mirai 2->41 8 Tsunami.arm.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 Tsunami.arm.elf 8->16         started        19 Tsunami.arm.elf 8->19         started        21 Tsunami.arm.elf 8->21         started        23 wrapper-2.0 xfpm-power-backlight-helper 10->23         started        signatures6 33 Sample tries to kill multiple processes (SIGKILL) 16->33 25 Tsunami.arm.elf 19->25         started        process7
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-05-12 17:47:59 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwtbdifohua2k4dpcgvalsfhniht5545oo2tjd5nslio7n4modva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250512-wdcqgavyfv/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (1963) amount of remote hosts
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 73ba027cf9e2da89dab204b37c7fb4c7b2c2e228338d37ed37d961ab02f03b4c

Mirai

elf a5a611a0ae3d01a5706f11aa05c8a76a0f3ef79d73b5348fad92d0efb78c70ea

(this sample)

  
Dropped by
SHA256 73ba027cf9e2da89dab204b37c7fb4c7b2c2e228338d37ed37d961ab02f03b4c
  
URLhaus
https://urlhaus.abuse.ch/url/3542175/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 462d03dfd3d2a369df449367194eb0ea

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