MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b. 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 12 File information Comments

SHA256 hash: f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b
SHA3-384 hash: 8b9693866802bc6f3253c36ec7e8efa702c31200f4215ff206c8da3112584fd7ac0ad3bcc125d8cd07dfbb42a1cd0e88
SHA1 hash: 96c871ee310ddbbc42b62faa317dc1a942c09e5e
MD5 hash: db0425efcbe60db6618490457999d8fc
humanhash: five-quiet-leopard-oscar
File name:S3o.arm7
Download: download sample
Signature Mirai
File size:201'506 bytes
First seen:2025-12-01 10:45:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:9MygR/fQdiYpxN4aTBMvlZe5cgCHMhMm3r5M/9pTKF:9MBR/fQAixN4aTBMvlZe5XapMu/vTG
TLSH T185144A46EA414B13C0D7137AB6AF424A333297A493DB73069D286FB43BC379E0E67645
telfhash t1cf3110b2973152266a61dd14ddec97b2162dc7071288fe33df35849c141a49ee53bc1f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b
File size (compressed) :73'248 bytes
File size (de-compressed) :201'506 bytes
Format:linux/arm
Packed file: b5ad80ac7cba318becb4dec3b9b8ed907de90a28788a8b32cc925eed7ca5f17b

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
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:

Behaviour
Runs as daemon
Receives data from a server
Opens a port
Changes access rights for a written file
Sends data to a server
DNS request
Changes access rights for a file
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
5
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
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823484 Sample: S3o.arm7.elf Startdate: 01/12/2025 Architecture: LINUX Score: 72 26 vcute69.bounceme.net 41.216.189.88, 12121, 44056, 44058 AS40676US South Africa 2->26 28 54.171.230.55, 443, 60088 AMAZON-02US United States 2->28 30 daisy.ubuntu.com 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected Mirai 2->38 8 S3o.arm7.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 S3o.arm7.elf 8->16         started        18 S3o.arm7.elf 8->18         started        20 S3o.arm7.elf 8->20         started        process6 22 S3o.arm7.elf 16->22         started        24 S3o.arm7.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-01 10:46:18 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX 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 f44c3ce6c760a022f3faad235c0c6909d3d5021a8b2bdd1b0eb29a68ef1f9d8b

(this sample)

  
Delivery method
Distributed via web download

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