MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b197497915bc3a88bdb518f42a04495d93f5200cc951964253da9dabac82e763. 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 8 File information Comments

SHA256 hash: b197497915bc3a88bdb518f42a04495d93f5200cc951964253da9dabac82e763
SHA3-384 hash: 9184560ef437fe50c16ccbb523a4cbf07d14e2f7c42f99d6e158a15d2c1dfa5d4daf646d0c424122d05b8282c988ca06
SHA1 hash: bd5139e5be5829500e967f3ca32e0f2d73c5278b
MD5 hash: 8ecb8649b6555c0ffc0b941e44599e80
humanhash: august-thirteen-apart-beryllium
File name:s
Download: download sample
Signature Mirai
File size:202'890 bytes
First seen:2025-10-12 06:39:10 UTC
Last seen:2025-10-13 00:33:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:1TmncqabNvts5yN5Wl3+yCJM7EkM/9VjFmRCwxh2Ysft:1TmcqabNvtsENMl5CJh1/3FmRCgh2Ys1
TLSH T16A143B04D6504B5BC2E327BAE68B424E33235F54A3EB33199938BBB03BD2B9D5E35115
telfhash t119417712997887241ff79928bcbd57b301126b2393763e726f39c4cc5411061e539c5f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
47
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Kills processes
Collects information on the CPU
Connection attempt
Runs as daemon
Creating a file
Sends data to a server
Attempts to kill processes by name
Launching a process
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
194
Number of processes launched:
21
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
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:
2025-10-12T04:49:00Z UTC
Last seen:
2025-10-12T20:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c3528237-1900-0000-9309-ef022b110000 pid=4395 /usr/bin/sudo guuid=b3be7e39-1900-0000-9309-ef0237110000 pid=4407 /tmp/sample.bin guuid=c3528237-1900-0000-9309-ef022b110000 pid=4395->guuid=b3be7e39-1900-0000-9309-ef0237110000 pid=4407 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1793495 Sample: s.elf Startdate: 12/10/2025 Architecture: LINUX Score: 84 45 176.65.139.133, 37126, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 daisy.ubuntu.com 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 2 other signatures 2->57 9 s.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 59 Opens /proc/net/* files useful for finding connected devices and routers 9->59 14 s.elf 9->14         started        16 s.elf 9->16         started        18 s.elf 9->18         started        process6 process7 20 s.elf sh 14->20         started        22 s.elf sh 14->22         started        24 s.elf sh 14->24         started        28 21 other processes 14->28 26 s.elf 16->26         started        process8 30 sh killall 20->30         started        33 sh killall 22->33         started        35 sh killall 24->35         started        37 sh killall 28->37         started        39 sh killall 28->39         started        41 sh killall 28->41         started        43 18 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-10-12 06:41:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery execution
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Writes memory of remote process
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7139229-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_6a510422
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 b197497915bc3a88bdb518f42a04495d93f5200cc951964253da9dabac82e763

(this sample)

  
Delivery method
Distributed via web download

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