MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78ac4725a3fdeffee93d194062e4bb7a9bf6ade097e01c1f22879e66cb566641. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 78ac4725a3fdeffee93d194062e4bb7a9bf6ade097e01c1f22879e66cb566641
SHA3-384 hash: b5b2e4467da9a8a320c2d83e7210964fda5be8354a1e7aad82586c568129ea677a9d0e1774cf1f528d724723f9d6936e
SHA1 hash: 3488ea92ce6955c3ad2991f6f2bbe7276575e76f
MD5 hash: 8a808be8296d0dd325d65d48029ccd41
humanhash: wolfram-skylark-glucose-uniform
File name:S3o.x86
Download: download sample
Signature Mirai
File size:45'080 bytes
First seen:2025-11-19 22:01:57 UTC
Last seen:2025-11-22 06:51:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:aPVsvPr3Jsdaxs9r8mBn09VHzjRnX9TA7bX+GBpDi8t/8g6MYGnbcuyD7UoQRjp:ysPFpslD+5xp2OkD71CCnouy8oyN
TLSH T14E13F1E0E9E4AA85D99C8032117D7BFEB010936CB41ADD8B868021F7B87EB5E1E141D5
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) :45'080 bytes
File size (de-compressed) :100'564 bytes
Format:linux/i386
Unpacked file: c4abaf96663a9c63fae50eea7ea2add48508377ef4dd373cd5b7934bcab682fb

Intelligence


File Origin
# of uploads :
2
# of downloads :
44
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a file
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
46
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-19T19:29:00Z UTC
Last seen:
2025-11-21T12:58:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=7863bd26-1a00-0000-551d-86f86b0a0000 pid=2667 /usr/bin/sudo guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677 /tmp/sample.bin net guuid=7863bd26-1a00-0000-551d-86f86b0a0000 pid=2667->guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f746c929-1a00-0000-551d-86f8780a0000 pid=2680 /tmp/sample.bin guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677->guuid=f746c929-1a00-0000-551d-86f8780a0000 pid=2680 clone guuid=c5500156-1b00-0000-551d-86f88f0c0000 pid=3215 /tmp/sample.bin guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677->guuid=c5500156-1b00-0000-551d-86f88f0c0000 pid=3215 clone guuid=ba881556-1b00-0000-551d-86f8900c0000 pid=3216 /tmp/sample.bin net send-data zombie guuid=0e1d2d29-1a00-0000-551d-86f8750a0000 pid=2677->guuid=ba881556-1b00-0000-551d-86f8900c0000 pid=3216 clone guuid=bb42d129-1a00-0000-551d-86f8790a0000 pid=2681 /tmp/sample.bin guuid=f746c929-1a00-0000-551d-86f8780a0000 pid=2680->guuid=bb42d129-1a00-0000-551d-86f8790a0000 pid=2681 clone guuid=434bd629-1a00-0000-551d-86f87a0a0000 pid=2682 /tmp/sample.bin dns net send-data zombie guuid=f746c929-1a00-0000-551d-86f8780a0000 pid=2680->guuid=434bd629-1a00-0000-551d-86f87a0a0000 pid=2682 clone guuid=434bd629-1a00-0000-551d-86f87a0a0000 pid=2682->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 38B 27df0594-2c83-55f0-869f-ffb273ade180 vcute69.bounceme.net:12121 guuid=434bd629-1a00-0000-551d-86f87a0a0000 pid=2682->27df0594-2c83-55f0-869f-ffb273ade180 send: 10B guuid=ba881556-1b00-0000-551d-86f8900c0000 pid=3216->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 585B 17d12814-2053-5003-8343-6c5dc360bc15 vcute69.bounceme.net:80 guuid=ba881556-1b00-0000-551d-86f8900c0000 pid=3216->17d12814-2053-5003-8343-6c5dc360bc15 send: 22B
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1817306 Sample: S3o.x86.elf Startdate: 19/11/2025 Architecture: LINUX Score: 60 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 S3o.x86.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 S3o.x86.elf 8->12         started        14 S3o.x86.elf 8->14         started        16 S3o.x86.elf 8->16         started        process6 18 S3o.x86.elf 12->18         started        20 S3o.x86.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-11-19 22:02:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
vcute69.bounceme.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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: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 78ac4725a3fdeffee93d194062e4bb7a9bf6ade097e01c1f22879e66cb566641

(this sample)

Comments