MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77931039f828d4ff7d68fc87b52b5d4f4c51982d420057cf3215d1874d2bc0d6. 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 8 File information Comments

SHA256 hash: 77931039f828d4ff7d68fc87b52b5d4f4c51982d420057cf3215d1874d2bc0d6
SHA3-384 hash: 156ec14d5cadc28fadccaecadbe673ee25dc6fdc91c4adcf543e972fbf0052a2d907edfa22b328ee54ae2f8add487d43
SHA1 hash: 7ee8fc84bf713843a6cb3f1de12d935cb56cc932
MD5 hash: 0b742f783492902051fe8fa3b2d0628f
humanhash: early-twelve-king-alabama
File name:morte.sh4
Download: download sample
Signature Mirai
File size:112'320 bytes
First seen:2025-11-09 13:39:03 UTC
Last seen:2025-11-10 11:39:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:7/RJmPHaDL69/eKcfq/giBimVKBG7th7j0XjgCHeXrFOhQyORGrSm:7pJmfEmIU/hBim8BEXUXjgzIa+
TLSH T184B3AE63D4102DA8C26502B971F4DE75033B9910A6871DF263AACA7D904BDDDF23E3B5
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 :
2
# of downloads :
131
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-09T10:41:00Z UTC
Last seen:
2025-11-10T10:18:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Exploit.Linux.Vacron.a HEUR:Backdoor.Linux.Gafgyt.cn HEUR:Exploit.Linux.Netgear.b HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Exploit.Linux.DLink.b HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Exploit.Linux.CVE-2014-8361.a HEUR:Backdoor.Linux.Mirai.ii HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Exploit.Linux.Netgear.a HEUR:Exploit.Linux.Mvpower.a HEUR:Exploit.Linux.DLink.a HEUR:Exploit.Linux.CVE-2018-10561.a
Status:
terminated
Behavior Graph:
%3 guuid=5ab2188d-1700-0000-3992-4733990a0000 pid=2713 /usr/bin/sudo guuid=0493298f-1700-0000-3992-47339a0a0000 pid=2714 /tmp/sample.bin guuid=5ab2188d-1700-0000-3992-4733990a0000 pid=2713->guuid=0493298f-1700-0000-3992-47339a0a0000 pid=2714 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810946 Sample: morte.sh4.elf Startdate: 09/11/2025 Architecture: LINUX Score: 88 21 109.202.202.202, 80 INIT7CH Switzerland 2->21 23 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->23 25 2 other IPs or domains 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Gafgyt 2->31 33 Yara detected Mirai 2->33 9 morte.sh4.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 morte.sh4.elf 9->15         started        process6 17 morte.sh4.elf 15->17         started        process7 19 morte.sh4.elf 17->19         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-09 13:39:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 77931039f828d4ff7d68fc87b52b5d4f4c51982d420057cf3215d1874d2bc0d6

(this sample)

  
Delivery method
Distributed via web download

Comments