MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5933588933c0d3253f9c1f32468ea6d177a0cff9cc4ba8c1740182ed5a171a5. 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: 14


Intelligence 14 IOCs YARA 19 File information Comments

SHA256 hash: a5933588933c0d3253f9c1f32468ea6d177a0cff9cc4ba8c1740182ed5a171a5
SHA3-384 hash: 476a7d0da79cf2ea5679f914998d41dd2d40fa43decb2b994985ec72589233e44ff388e9140bb411b1a8dc003a939a96
SHA1 hash: d8c99f3ee5d74f6d41bd65b58818650bdacf260e
MD5 hash: 21654cc74dd91c20ebf59b1fd693f8a8
humanhash: bulldog-georgia-virginia-september
File name:db0fa4b8db0333367e9bda3ab68b8042.i686
Download: download sample
Signature Mirai
File size:82'800 bytes
First seen:2025-11-25 06:11:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8tUqKV07gnBIVVSOOP6o6xaQoEt/h5ae/Bg5UNgFBnvCtIjgcU3:8q+8nOVkOOP6o6UWtH/q5cYZvCts
TLSH T1968307C1F98B84F5C6074D30A0A7F63FCA31E979407696ADEF8D6F35DA27601920724A
telfhash t16521e6b91a332ce4b7d0ac06f21c97b01d2ebb7b481077e30ab29d582a95542537bd39
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 f9d11add2e36cc30580e4e9ff6886a4235188b9132ce02f127ed02b06b578eee
File size (compressed) :35'152 bytes
File size (de-compressed) :82'800 bytes
Format:linux/i386
Packed file: f9d11add2e36cc30580e4e9ff6886a4235188b9132ce02f127ed02b06b578eee

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
80,37215,23,443
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Mirai 158.94.210.88:56999
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-25T04:26:00Z UTC
Last seen:
2025-11-25T05:53:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-11-25 06:12:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (200558) amount of remote hosts
Creates a large amount of network flows
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Verdict:
Malicious
Tags:
botnet mirai trojan Unix.Dropper.Mirai-7135870-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_c8385b81 Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_3a85a418 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3a85a418
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_c8385b81
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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 a5933588933c0d3253f9c1f32468ea6d177a0cff9cc4ba8c1740182ed5a171a5

(this sample)

Comments