MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac3a5111cdca3f60ed53cae2d8bf189fbc590f5cf4e9cc642499743bfcafa5fe. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments

SHA256 hash: ac3a5111cdca3f60ed53cae2d8bf189fbc590f5cf4e9cc642499743bfcafa5fe
SHA3-384 hash: ce4fb8d24b4a60b8b195e7c4b69088a912256c77a5075fdc1408df289febafe6ec0b32240b4e1fa95b02249a7c612a7d
SHA1 hash: 0cb3e72ed4fb55e74d8643e99be79a68fff8f3f7
MD5 hash: b5882a2e1f24998fe31cb2900c084ab5
humanhash: missouri-lamp-alaska-wyoming
File name:db0fa4b8db0333367e9bda3ab68b8042.mips
Download: download sample
Signature Mirai
File size:113'716 bytes
First seen:2026-02-02 09:17:45 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:oUUAh+rAIuURXz4OC2L1nZDw/nnwhe5zN7IpAvI8s+NwbZnh:az4O/L0/ue5ztIpAvwRh
TLSH T1BEB3940D7F219F7CFBAC863547B78E20A25933A626E1C584D05CE9025EB434E741FBA9
telfhash t1e0015e18483843f09b852dadbbddff36d49150df4a166f37ce00fd9a96256424e00c2c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 83e83efb39a04fc24f4836373297619f15b89a2d433f9f09d37880889339faf5
File size (compressed) :37'404 bytes
File size (de-compressed) :113'716 bytes
Format:linux/mips
Packed file: 83e83efb39a04fc24f4836373297619f15b89a2d433f9f09d37880889339faf5

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-02-02T07:38:00Z UTC
Last seen:
2026-02-02T09:04:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3d687889-5200-0000-ee9e-07ac4c040000 pid=1100 /usr/bin/sudo guuid=d7c9418b-5200-0000-ee9e-07ac4d040000 pid=1101 /tmp/sample.bin guuid=3d687889-5200-0000-ee9e-07ac4c040000 pid=1100->guuid=d7c9418b-5200-0000-ee9e-07ac4d040000 pid=1101 execve
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
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-02 09:18:41 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (194445) amount of remote hosts
Creates a large amount of network flows
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: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:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
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 ac3a5111cdca3f60ed53cae2d8bf189fbc590f5cf4e9cc642499743bfcafa5fe

(this sample)

  
Delivery method
Distributed via web download

Comments