MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09aca8f45052c8aaa7923d128cb38bab5b42c72d4ea0edd97f31093e4a77ff21. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 09aca8f45052c8aaa7923d128cb38bab5b42c72d4ea0edd97f31093e4a77ff21
SHA3-384 hash: eac256674f0a61900798e95fcb1e63c9f9996b1cff1db471e62b0c0faf18f91d4d5b5d5e3050c701b06dca4e14861632
SHA1 hash: c38152687e4585f80c8622df4ddb04d2f9b61283
MD5 hash: 511f9d2414381982711534d0594c72e3
humanhash: network-angel-cold-nevada
File name:S3o.arm
Download: download sample
Signature Mirai
File size:47'348 bytes
First seen:2025-11-21 14:17:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:dlVAshpNH2Kflo4uzwS7USvib16V1euWXl0RhaNXEl+ODAz7s3UozO:uspVu4awwDicWVaYd+DAzmzO
TLSH T13D23F132C30CC4D09A746771E96E8ACF13B23B5ED6FE2016B015AAD0AED657633B85C5
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) :47'348 bytes
File size (de-compressed) :120'300 bytes
Format:linux/arm
Unpacked file: 893a078d57bf178befa75b2c3429acb9cce9b133482e18d12e1c8c07374fc100

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-21T11:40:00Z UTC
Last seen:
2025-11-21T15:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2026f0f0-1700-0000-758f-d2ecd80b0000 pid=3032 /usr/bin/sudo guuid=19f03ff3-1700-0000-758f-d2ecde0b0000 pid=3038 /tmp/sample.bin guuid=2026f0f0-1700-0000-758f-d2ecd80b0000 pid=3032->guuid=19f03ff3-1700-0000-758f-d2ecde0b0000 pid=3038 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: 1818585 Sample: S3o.arm.elf Startdate: 21/11/2025 Architecture: LINUX Score: 72 26 vcute69.bounceme.net. [malformed] 2->26 28 169.254.169.254, 80 USDOSUS Reserved 2->28 30 5 other IPs or domains 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 S3o.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash cat 2->12         started        14 9 other processes 2->14 signatures3 40 Sends malformed DNS queries 26->40 process4 process5 16 S3o.arm.elf 8->16         started        18 S3o.arm.elf 8->18         started        20 S3o.arm.elf 8->20         started        process6 22 S3o.arm.elf 16->22         started        24 S3o.arm.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-21 14:18:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
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 09aca8f45052c8aaa7923d128cb38bab5b42c72d4ea0edd97f31093e4a77ff21

(this sample)

  
Delivery method
Distributed via web download

Comments