MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
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SHA256 hash: d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f
SHA3-384 hash: 9ed04d595d9e8dff1d4feef35a3fb9b958a0fa42a4e89bfba34fd50c4e35584aab906c081c4c343637d3483bbd5bb066
SHA1 hash: 435d8f9452df4063bf2f8d84af194b2976582405
MD5 hash: a8451ce5031e354f8d1dae3a74fec89d
humanhash: purple-spring-angel-fillet
File name:s
Download: download sample
Signature Mirai
Create hunting rule
File size:216'749 bytes
First seen:2025-10-16 05:50:30 UTC
Last seen:2025-10-16 20:46:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:a7wQbaxQnm8g3k5KK7ClcRrQ7mZM/9fLmRbwxh0TROt:aMQbaxQnm8d53OiF7O/JLmRbgh0TROt
TLSH T17D242A08DA50475BC2E327FAF68A428E33334F54A3D732195938BBB437D2B995E36115
telfhash t1554186139a7887241ff75924ecbc877246225b2393667e726f3ac0cd54210a1e939d9f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
57
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Sends data to a server
Creating a file
Attempts to kill processes by name
Collects information on the CPU
Launching a process
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote threat
Link:
https://www.filescan.io/uploads/68f089c8057c46a471cead44/reports/a7fe1bdc-8185-4c49-8e71-424b415d63e1/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-16T03:47:00Z UTC
Last seen:
2025-10-16T07:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/f8fc5016-e808-49ce-8a65-1ddcb58aa49f
Behavior Graph:
Download SVG
%3 guuid=efd78ef9-1600-0000-68a0-32e5e40e0000 pid=3812 /usr/bin/sudo guuid=cf219ffb-1600-0000-68a0-32e5ec0e0000 pid=3820 /tmp/sample.bin guuid=efd78ef9-1600-0000-68a0-32e5e40e0000 pid=3812->guuid=cf219ffb-1600-0000-68a0-32e5ec0e0000 pid=3820 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d88f3485-67fb-43d0-b13e-67c72258dac3
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1796258
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796258 Sample: s.elf Startdate: 16/10/2025 Architecture: LINUX Score: 84 49 176.65.139.133, 47046, 65481 PALTEL-ASPALTELAutonomousSystemPS Germany 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 2 other signatures 2->63 9 s.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 s.elf 9->18         started        20 s.elf 9->20         started        22 s.elf 9->22         started        process6 process7 24 s.elf sh 18->24         started        26 s.elf sh 18->26         started        28 s.elf sh 18->28         started        32 21 other processes 18->32 30 s.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 18 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-10-16 06:08:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2567y5tk6bqw6wp67ghyxsbhm72lo3nlyozezpnl2tc5hs6xby7q._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt antivm defense_evasion discovery execution
Link:
https://tria.ge/reports/251016-gp1jcavvat/
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
Link:
https://app.threat.zone/submission/ace3f157-118d-4cff-93bf-86fe7a50a232
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f

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
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 d77dfc766af0616f59fef98f8bc82767f4b76dabc3b24cbdabd4c5d3cbd70e3f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576532/
  
Delivery method
Distributed via web download

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