MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b5be396292b965f7a4a74381a42062a5e3dc604031a8b7f608a6c116ef155e1. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 4b5be396292b965f7a4a74381a42062a5e3dc604031a8b7f608a6c116ef155e1
SHA3-384 hash: 5833006ec0e230f5c32667f1453512917632ac431a08d48ac76487f64ddc4f37e6bb08da4525c4ab84be3daa6c64ec8d
SHA1 hash: 8f418969b3ee3a7caa0d61faefba79f8042f8bf0
MD5 hash: 4207847c3c93a365edcaebc1c695e4ac
humanhash: pennsylvania-arizona-four-romeo
File name:astro.arm5
Download: download sample
Signature Mirai
File size:62'696 bytes
First seen:2026-01-28 13:58:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:G7AEvoQyE1XijWg1XQm4XEMgfiSvhWb5z3SQ:G7AEvohpKgfiKO5OQ
TLSH T1B3530891B891663AC2D0577BEAAF108E3750A7D8D1DB3353C8240B907ECA94F1C67F86
telfhash t1c5e02600ac759a2c98d7aa74dded07a496016222505a4b10cf11daf4c83f448e30cd5a
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 770794251f42253b66fa1689a61419bab97805a0f785afd9e43c8acdeb211bcb
File size (compressed) :23'876 bytes
File size (de-compressed) :62'696 bytes
Format:linux/arm
Packed file: 770794251f42253b66fa1689a61419bab97805a0f785afd9e43c8acdeb211bcb

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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:
2026-01-28T12:11:00Z UTC
Last seen:
2026-01-28T13:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=00d1b027-1e00-0000-ade4-27d9290d0000 pid=3369 /usr/bin/sudo guuid=52be9a2a-1e00-0000-ade4-27d9300d0000 pid=3376 /tmp/sample.bin guuid=00d1b027-1e00-0000-ade4-27d9290d0000 pid=3369->guuid=52be9a2a-1e00-0000-ade4-27d9300d0000 pid=3376 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-28 13:59:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora
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_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() 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 4b5be396292b965f7a4a74381a42062a5e3dc604031a8b7f608a6c116ef155e1

(this sample)

  
Delivery method
Distributed via web download

Comments