MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bb4088d427c21074192c359aa6adcfb942326f319bffa7b316afddac7266e75. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 5bb4088d427c21074192c359aa6adcfb942326f319bffa7b316afddac7266e75
SHA3-384 hash: b8749e74bbecfa1ec3b6bd402b2450c4edf0cc69a1796538ec9eecc1ae234c89d490b987ffa16f5bdb8b3924d01e8431
SHA1 hash: 4296d414109247d4289282efa163a6fc279c9d38
MD5 hash: b251361ebf1e96ab1a5fef1fe3799aa0
humanhash: king-pennsylvania-finch-massachusetts
File name:S3o.arm
Download: download sample
Signature Mirai
File size:47'372 bytes
First seen:2025-11-21 22:20:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:Ax/APzP2GoqbMPVvJKY6xecRNVCsxI4zeg47PSuyKaOEw1iJhiDbKoUhyFELabtC:RnoTBJKY6xeTsWWelPfEwchW/UhyFEaM
TLSH T17823F168D11FE771DB74D8BD86BE498834B6A5F6C0DE377D0D004B9C6980C0976ACAE8
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
File size (compressed) :47'372 bytes
File size (de-compressed) :117'720 bytes
Format:linux/arm
Unpacked file: 087b0dc03790b9c119b6218d457c1bedc3569cba8e40ef345b8fe482eca985eb

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=3be830da-1800-0000-ca4b-c041c20d0000 pid=3522 /usr/bin/sudo guuid=a0a75cdd-1800-0000-ca4b-c041c40d0000 pid=3524 /tmp/sample.bin guuid=3be830da-1800-0000-ca4b-c041c20d0000 pid=3522->guuid=a0a75cdd-1800-0000-ca4b-c041c40d0000 pid=3524 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
72 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1818891 Sample: S3o.arm.elf Startdate: 21/11/2025 Architecture: LINUX Score: 72 22 vcute69.bounceme.net. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Mirai 2->32 34 Sample is packed with UPX 2->34 8 S3o.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 36 Sends malformed DNS queries 22->36 process4 process5 12 S3o.arm.elf 8->12         started        14 S3o.arm.elf 8->14         started        16 S3o.arm.elf 8->16         started        process6 18 S3o.arm.elf 12->18         started        20 S3o.arm.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-21 22:21:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 5bb4088d427c21074192c359aa6adcfb942326f319bffa7b316afddac7266e75

(this sample)

  
Delivery method
Distributed via web download

Comments