MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b28f780409f28c7947f3984accd20a33bcf043af7a4918082ffa10fbb05b1dd. 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 6 File information Comments

SHA256 hash: 5b28f780409f28c7947f3984accd20a33bcf043af7a4918082ffa10fbb05b1dd
SHA3-384 hash: b6b784bf09636b184eb52456154fd0337db945180421c0a8c421f2bf9385bbb69db08631ced477cc43879d2b33555c62
SHA1 hash: 2ec76aaa262f32fd447c22555210a005aade8d3a
MD5 hash: f6a97f0aac4f7c6e82c92cc3f7e50c5c
humanhash: don-purple-mexico-alabama
File name:x86
Download: download sample
Signature Mirai
File size:54'352 bytes
First seen:2025-07-12 17:02:05 UTC
Last seen:2025-08-24 23:51:22 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:bqVy+TWbbwfWRWFz0bw4lKBFx0zpKRzocXJ49SNr:V+TgbwfW6H4lKBLigRzt54I
TLSH T136333AC4E64BE4F5FC16067821B3E3328B73F93A1029D996D369A433B852A05E6473DC
telfhash t15f2194b73db709fcb3d0ac49c32b12e34635d67b1a6162b445b1ac9533f2d5580a8c36
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 :
14
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
shellcode backdoor mirai virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Receives data from a server
Connection attempt
DNS request
Mounts file systems
Runs as daemon
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 83.229.17.45:38241
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=b3509ffb-1900-0000-c7a3-7bd9730a0000 pid=2675 /usr/bin/sudo guuid=0d7055fd-1900-0000-c7a3-7bd9790a0000 pid=2681 /tmp/sample.bin net guuid=b3509ffb-1900-0000-c7a3-7bd9730a0000 pid=2675->guuid=0d7055fd-1900-0000-c7a3-7bd9790a0000 pid=2681 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0d7055fd-1900-0000-c7a3-7bd9790a0000 pid=2681->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683 /home/sandbox/ dns net send-data zombie guuid=0d7055fd-1900-0000-c7a3-7bd9790a0000 pid=2681->guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683 clone guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 997a677b-e2e3-587d-b712-9bb3900e9b02 51.158.108.203:53 guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683->997a677b-e2e3-587d-b712-9bb3900e9b02 send: 29B b61a3ff4-ff7d-546a-bb3d-41220113a86d bunnybot.ac:38241 guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683->b61a3ff4-ff7d-546a-bb3d-41220113a86d send: 9B guuid=f004c7fd-1900-0000-c7a3-7bd97c0a0000 pid=2684 /home/sandbox/ guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683->guuid=f004c7fd-1900-0000-c7a3-7bd97c0a0000 pid=2684 clone guuid=a6e096b2-2400-0000-c7a3-7bd990140000 pid=5264 /home/sandbox/ net send-data guuid=8aadb8fd-1900-0000-c7a3-7bd97b0a0000 pid=2683->guuid=a6e096b2-2400-0000-c7a3-7bd990140000 pid=5264 clone 7cc5c45d-3452-55ab-8207-b7ad0a9c0485 213.238.179.28:1015 guuid=a6e096b2-2400-0000-c7a3-7bd990140000 pid=5264->7cc5c45d-3452-55ab-8207-b7ad0a9c0485 send: 101824B guuid=90a1acb2-2400-0000-c7a3-7bd991140000 pid=5265 /home/sandbox/ guuid=a6e096b2-2400-0000-c7a3-7bd990140000 pid=5264->guuid=90a1acb2-2400-0000-c7a3-7bd991140000 pid=5265 clone
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
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
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734781 Sample: x86.elf Startdate: 12/07/2025 Architecture: LINUX Score: 68 23 bunnybot.ac 83.229.17.45, 38241, 51590 SKYVISIONGB United Kingdom 2->23 25 159.146.122.238, 52005 ASTURKNETTR Turkey 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Mirai 2->31 33 Connects to many ports of the same IP (likely port scanning) 2->33 9 x86.elf 2->9         started        11 udisksd dumpe2fs 2->11         started        13 udisksd dumpe2fs 2->13         started        signatures3 process4 process5 15 x86.elf 9->15         started        process6 17 x86.elf 15->17         started        19 x86.elf 15->19         started        process7 21 x86.elf 17->21         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-07-12 17:02:27 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 discovery linux rootkit
Behaviour
Creates a large amount of network flows
Loads a kernel module
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
trojan mirai Unix.Trojan.Mirai-9866113-0
YARA:
Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
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:Linux_Trojan_Mirai_389ee3e9
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 5b28f780409f28c7947f3984accd20a33bcf043af7a4918082ffa10fbb05b1dd

(this sample)

  
Delivery method
Distributed via web download

Comments