MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15a26e37a7cdbee8bea687cccff1ff39e0af4f899ef683244be21f70d12e9abd. 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 10 File information Comments

SHA256 hash: 15a26e37a7cdbee8bea687cccff1ff39e0af4f899ef683244be21f70d12e9abd
SHA3-384 hash: 62c9855cd0e283a209a952c2f7cb6ec87be8840278bd75df440f28dc919791d7161e7e1631c1f6864770a21d9229eb47
SHA1 hash: 76b0eefc29510411d0aadb6522df277e97ff5fbf
MD5 hash: 1f928c71b9e89c1760a3c54f0b327fdc
humanhash: spring-papa-fish-california
File name:debug.dbg
Download: download sample
Signature Mirai
File size:108'936 bytes
First seen:2025-07-20 18:45:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:lrV6gKrpCXSWa2YbpzxItDxO25T/nORXiUn:l56gKrpCCW9YFzxaOgUn
TLSH T1EAB36CC9B283C0F6D85601B0613BD77B6B32E1B9611DEA47D33CD931E8D3542EA26A5C
telfhash t1575127fa197a0de8a7d0a941d31f2b722d0ed77b146037e245b3d924235ae8181fac3d
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 :
1
# of downloads :
20
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Creating a file in the %temp% directory
Creating a file
Changes the time when the file was created, accessed, or modified
Launching a process
Connection attempt
Changes access rights for a written file
Traces processes
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
55
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Anti-Debugging
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=b6e6f38e-1600-0000-66d6-c0bb810c0000 pid=3201 /usr/bin/sudo guuid=f618bd90-1600-0000-66d6-c0bb870c0000 pid=3207 /tmp/sample.bin delete-file net guuid=b6e6f38e-1600-0000-66d6-c0bb810c0000 pid=3201->guuid=f618bd90-1600-0000-66d6-c0bb870c0000 pid=3207 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f618bd90-1600-0000-66d6-c0bb870c0000 pid=3207->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=95945b91-1600-0000-66d6-c0bb890c0000 pid=3209 /usr/bin/dash guuid=f618bd90-1600-0000-66d6-c0bb870c0000 pid=3207->guuid=95945b91-1600-0000-66d6-c0bb890c0000 pid=3209 execve guuid=ec04d592-1600-0000-66d6-c0bb8f0c0000 pid=3215 /tmp/sample.bin guuid=f618bd90-1600-0000-66d6-c0bb870c0000 pid=3207->guuid=ec04d592-1600-0000-66d6-c0bb8f0c0000 pid=3215 clone guuid=d285d991-1600-0000-66d6-c0bb8a0c0000 pid=3210 /usr/bin/dash guuid=95945b91-1600-0000-66d6-c0bb890c0000 pid=3209->guuid=d285d991-1600-0000-66d6-c0bb8a0c0000 pid=3210 clone guuid=8e5ce691-1600-0000-66d6-c0bb8b0c0000 pid=3211 /usr/bin/dash guuid=95945b91-1600-0000-66d6-c0bb890c0000 pid=3209->guuid=8e5ce691-1600-0000-66d6-c0bb8b0c0000 pid=3211 clone guuid=2827ea91-1600-0000-66d6-c0bb8c0c0000 pid=3212 /usr/bin/dash guuid=d285d991-1600-0000-66d6-c0bb8a0c0000 pid=3210->guuid=2827ea91-1600-0000-66d6-c0bb8c0c0000 pid=3212 clone guuid=c266f591-1600-0000-66d6-c0bb8d0c0000 pid=3213 /usr/bin/grep guuid=d285d991-1600-0000-66d6-c0bb8a0c0000 pid=3210->guuid=c266f591-1600-0000-66d6-c0bb8d0c0000 pid=3213 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Executes the "crontab" command typically for achieving persistence
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to persist itself using cron
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1740608 Sample: debug.dbg.elf Startdate: 20/07/2025 Architecture: LINUX Score: 84 33 daisy.ubuntu.com 2->33 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 9 debug.dbg.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 49 Sample deletes itself 9->49 14 debug.dbg.elf sh 9->14         started        16 debug.dbg.elf 9->16         started        process6 process7 18 sh crontab 14->18         started        22 sh 14->22         started        file8 31 /var/spool/cron/crontabs/tmp.eTZsnn, ASCII 18->31 dropped 43 Sample tries to persist itself using cron 18->43 45 Executes the "crontab" command typically for achieving persistence 18->45 24 sh crontab 22->24         started        27 sh crontab 22->27         started        29 sh grep 22->29         started        signatures9 process10 signatures11 47 Executes the "crontab" command typically for achieving persistence 24->47
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-20 18:46:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution linux persistence privilege_escalation rootkit
Behaviour
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Loads a kernel module
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-10028515-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 Linux_Gafgyt_May_2024
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 15a26e37a7cdbee8bea687cccff1ff39e0af4f899ef683244be21f70d12e9abd

(this sample)

  
Delivery method
Distributed via web download

Comments