MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1a2aa8b3193267a595757628975f92f71bdd842620dabb654a6f9a1a75430ad. 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: b1a2aa8b3193267a595757628975f92f71bdd842620dabb654a6f9a1a75430ad
SHA3-384 hash: 75c14a9295582d8a8a6ff8752535f98139ca87d9d334115e78c2b561b1f0390f9c1ac9dfcf613647f942e41d45b6c544
SHA1 hash: c40de58d9307548ef12a9613feaeb1c3587bfed1
MD5 hash: 0ab592a004753a49047f58717c1f4b87
humanhash: social-bakerloo-ceiling-shade
File name:arm6.urbotnetisass
Download: download sample
Signature Mirai
File size:258'440 bytes
First seen:2025-09-10 15:07:01 UTC
Last seen:2025-09-11 11:04:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:ePAacyoW8U2/wyyyyyyyyyyyyyyyttiyyyyyyyyyyyyyyyXHIkD4ybPMOvVSb4O6:YAa798UAwyyyyyyyyyyyyyyyttiyyyyi
TLSH T17C443B65BC818B66C5D016BABB9E9289335717FCC2EB3113DD116B24378B85B0F3BA41
telfhash t19ff0c0548f8d94d823d0d09fd0f7b713555cf07b16020aa5dafc4eca153399bb81100c
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 :
37
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm expand lolbin mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T11:48:00Z UTC
Last seen:
2025-09-10T11:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=9ebb59c4-1800-0000-202c-9d1bfa0d0000 pid=3578 /usr/bin/sudo guuid=eb5275c7-1800-0000-202c-9d1b030e0000 pid=3587 /tmp/sample.bin guuid=9ebb59c4-1800-0000-202c-9d1bfa0d0000 pid=3578->guuid=eb5275c7-1800-0000-202c-9d1b030e0000 pid=3587 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-09-10 15:09:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Author:Elastic Security
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b1a2aa8b3193267a595757628975f92f71bdd842620dabb654a6f9a1a75430ad

(this sample)

  
Delivery method
Distributed via web download

Comments