MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa73dbf28fe4883fdf873a3a0ffb19796bf7ac1da5e1e59a4fda535ed9247ae3. 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 12 File information Comments

SHA256 hash: aa73dbf28fe4883fdf873a3a0ffb19796bf7ac1da5e1e59a4fda535ed9247ae3
SHA3-384 hash: 14f3c6dc51150ca388eec537d4770ae107d45a9a45b3a9c5aab03435fabfdedc7d50a443ccbf9636e6a10e3cc917ce51
SHA1 hash: f1e3ffb0bd6815c365cc20a67ad79e6a9b80332c
MD5 hash: 35c6cb4f5f9e0f8d991965cced083f79
humanhash: connecticut-social-black-yankee
File name:sh4
Download: download sample
Signature Mirai
File size:113'138 bytes
First seen:2025-09-16 02:43:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:JsmnW43UTX5LrAVN21zUsA00ms1cuEEvnFjN/:JsYTO/AS1zUF00ms1cuEEvnFjN/
TLSH T14FB32973A4615FB7C042697125BA5A200F16AD931F4F1A99723CBAF4073B5CEB80EF64
telfhash t109314552543556281fb2d928acbd56a311613a23a3643fb1af2ac4cc45361e2e93ee4f
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 :
127
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-16T00:29:00Z UTC
Last seen:
2025-09-16T00:29:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Mirai.h
Status:
terminated
Behavior Graph:
%3 guuid=cec69c7b-1a00-0000-a52a-9c0563080000 pid=2147 /usr/bin/sudo guuid=dd7f6b7e-1a00-0000-a52a-9c056c080000 pid=2156 /tmp/sample.bin guuid=cec69c7b-1a00-0000-a52a-9c0563080000 pid=2147->guuid=dd7f6b7e-1a00-0000-a52a-9c056c080000 pid=2156 execve guuid=2cfc607f-1a00-0000-a52a-9c056f080000 pid=2159 /usr/bin/dash guuid=dd7f6b7e-1a00-0000-a52a-9c056c080000 pid=2156->guuid=2cfc607f-1a00-0000-a52a-9c056f080000 pid=2159 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778186 Sample: sh4.elf Startdate: 16/09/2025 Architecture: LINUX Score: 100 25 156.158.98.5, 37215 airtel-tz-asTZ Tanzania United Republic of 2->25 27 41.60.49.12 ZOL-ASGB Mauritius 2->27 29 98 other IPs or domains 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 5 other signatures 2->37 8 sh4.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 39 Opens /proc/net/* files useful for finding connected devices and routers 8->39 17 sh4.elf 8->17         started        19 sh4.elf 8->19         started        21 sh4.elf 8->21         started        process6 process7 23 sh4.elf 17->23         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-16 02:50:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Trojan.Mirai-6981169-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 botnet_dedsec Linux_Trojan_Gafgyt_28a2fe0c 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:botnet_dedsec
Author:NDA0E
Description:dedsec botnet
Rule name:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 aa73dbf28fe4883fdf873a3a0ffb19796bf7ac1da5e1e59a4fda535ed9247ae3

(this sample)

  
Delivery method
Distributed via web download

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