MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d
SHA3-384 hash: 241c79f98e690a92e7b7e84c5e9d581fd94a905161ffd478ce937f0294af89f1e88efe05de270087968f2c4b1f5f9270
SHA1 hash: e4e978288c8a52595e4542f0f66bb957dad3ab40
MD5 hash: 6ede1b6acff18db7cd4bd24268b951dc
humanhash: skylark-mango-xray-bravo
File name:klogd
Download: download sample
Signature Mirai
Create hunting rule
File size:99'792 bytes
First seen:2025-07-18 00:20:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:IjTIcluVTJxZ6K5EIrKhE1Wm2JgR6KoWgxNOUnLPiHVfKFd7rz5vZWk:IX7C7Z6S5YJgR60gziHwz3twk
TLSH T109A319C6F941AA22C2C255B7FB1F428D371A43A8D2FA3203DD295F60774B85B0E3B955
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated rust
Link:
https://www.filescan.io/uploads/687993808a7d628a81b55af8/reports/86390bd4-a41f-4c25-a4a1-acd1d674dbea/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
209
Number of processes launched:
15
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/14d834c4-3afe-43d9-85d0-279b9f7ce0ad
Behavior Graph:
Download SVG
%3 guuid=f4de3af0-1900-0000-7e2d-9da9d1090000 pid=2513 /usr/bin/sudo guuid=10bb3cf2-1900-0000-7e2d-9da9d8090000 pid=2520 /tmp/sample.bin guuid=f4de3af0-1900-0000-7e2d-9da9d1090000 pid=2513->guuid=10bb3cf2-1900-0000-7e2d-9da9d8090000 pid=2520 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/194be288-26a7-4b0f-8652-1da9f859740c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1739277
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1739277 Sample: klogd.elf Startdate: 18/07/2025 Architecture: LINUX Score: 52 42 97.67.48.187 WINDSTREAMUS United States 2->42 44 199.92.175.217 WHOI-WOODSHOLEUS United States 2->44 46 99 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 9 klogd.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 klogd.elf 9->13         started        15 klogd.elf 9->15         started        17 klogd.elf 9->17         started        process6 19 klogd.elf sh 13->19         started        21 klogd.elf sh 13->21         started        23 klogd.elf sh 13->23         started        25 105 other processes 13->25 process7 27 sh killall 19->27         started        30 sh killall 21->30         started        32 sh killall 23->32         started        34 sh killall 25->34         started        36 sh killall 25->36         started        38 sh killall 25->38         started        40 102 other processes 25->40 signatures8 50 Terminates several processes with shell command 'killall' 27->50
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-07-18 00:21:07 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=o7yo4a4liinxfkg46vy2bwmiqppwcmgngkh35o5xvwuquiwqfr6q._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:kyton defense_evasion discovery
Link:
https://tria.ge/reports/250718-anef6atlv7/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Contacts a large (148651) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e38a3538-c3cc-4884-b591-d8b2dbd520eb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d

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:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 77f0ee038b421b72a8dcf571a0d98883df6130cd328fbebbb7ada90a22d02c7d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576533/
  
Delivery method
Distributed via web download

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