MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2784433bfc06bcb4dfa7a92dd4043308b168c35094778d1556b9151e9878c1c8. 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 2 File information Comments

SHA256 hash: 2784433bfc06bcb4dfa7a92dd4043308b168c35094778d1556b9151e9878c1c8
SHA3-384 hash: d876f11a65121c5a93e80778cf104642174f89b37870b6440ee8e38776ccbd70ebd01bba4d483c0fe221e38aaa54622e
SHA1 hash: c6bbb8754de0abe00fbb2cb838b54b5816e5dfc3
MD5 hash: 48ed91c8ce8a12cd30bf162f6cd3b9fd
humanhash: cold-blossom-delaware-august
File name:S3o.arm
Download: download sample
Signature Mirai
File size:44'152 bytes
First seen:2025-11-21 15:37:21 UTC
Last seen:2025-11-22 11:10:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:xmGtV7cRt4xRBZt0mOuHfqe8IWLfw8eizzIZjLn+CfzPkcYkKs3UozU:x7+Rt4bt/qVNM8emz62CfplzU
TLSH T19C13F14A5A6819908FB4F833EDF9C5C4C99F90DE03DE39D62B0C8FD81452A23D999197
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) :44'152 bytes
File size (de-compressed) :108'012 bytes
Format:linux/arm
Unpacked file: 9a8dd13249e2d002c482872d618647bc57b637414a04643269a3a67666890c3b

Intelligence


File Origin
# of uploads :
3
# of downloads :
100
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:
2025-11-21T13:16:00Z UTC
Last seen:
2025-11-21T18:03:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=1492ce96-1800-0000-b982-7cb9760a0000 pid=2678 /usr/bin/sudo guuid=dcf14a98-1800-0000-b982-7cb97c0a0000 pid=2684 /tmp/sample.bin guuid=1492ce96-1800-0000-b982-7cb9760a0000 pid=2678->guuid=dcf14a98-1800-0000-b982-7cb97c0a0000 pid=2684 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: 1818641 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.Worm.Mirai
Status:
Malicious
First seen:
2025-11-21 15:38:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
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: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 2784433bfc06bcb4dfa7a92dd4043308b168c35094778d1556b9151e9878c1c8

(this sample)

  
Delivery method
Distributed via web download

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