MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34
SHA3-384 hash: f04b6cdd6bfbed86f0be0671b232f82dadfcf4d0190a9ae64f0c4d5289d8835e64cae41f6c2d8b0594e394f4c7fd5dfb
SHA1 hash: fd46c07ee9869db68f783d7a13b01e44750b18a7
MD5 hash: e0906c41f57752c5f0afef5eb435bec2
humanhash: finch-hydrogen-coffee-moon
File name:klogd
Download: download sample
Signature Mirai
Create hunting rule
File size:174'677 bytes
First seen:2025-09-15 09:51:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:jTBmESfbg7IOeIOLnXwghaJxODugFY8MS1F54CMQ8NwE1/2dMz:fBStI6wgsPODgSF54CMQ8NwE1/2da
TLSH T1C8041905E901476BC3E327F7F75A069C3B260E6597D73316AA387DB02BD4B9C2A39160
telfhash t1fb4186529d7887242ff39928acad877302126a2353767f72af35c4cc54220b0e539d4f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/68c7e1ac73287948292a4b05/reports/beae8817-3fe9-492e-a412-5508f76bd4c2/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
192
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34
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:
2025-09-15T08:06:00Z UTC
Last seen:
2025-09-15T08:06:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ae628ed2-770a-4107-8301-404a6760f4a0
Behavior Graph:
Download SVG
%3 guuid=90eb35a8-1600-0000-e25b-4f37910c0000 pid=3217 /usr/bin/sudo guuid=221723ab-1600-0000-e25b-4f37950c0000 pid=3221 /tmp/sample.bin guuid=90eb35a8-1600-0000-e25b-4f37910c0000 pid=3217->guuid=221723ab-1600-0000-e25b-4f37950c0000 pid=3221 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/719e98e2-cb3f-47b0-a940-5cc4af66dd9b
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1777697
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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: 1777697 Sample: klogd.elf Startdate: 15/09/2025 Architecture: LINUX Score: 76 45 206.123.145.140, 33326, 65481 LEASEWEB-USA-NYC-11US United States 2->45 47 169.254.169.254, 80 USDOSUS Reserved 2->47 49 daisy.ubuntu.com 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Gafgyt 2->55 57 Connects to many ports of the same IP (likely port scanning) 2->57 9 klogd.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 klogd.elf 9->14         started        16 klogd.elf 9->16         started        18 klogd.elf 9->18         started        process6 process7 20 klogd.elf sh 14->20         started        22 klogd.elf sh 14->22         started        24 klogd.elf sh 14->24         started        28 5 other processes 14->28 26 klogd.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 2 other processes 28->43 signatures9 61 Terminates several processes with shell command 'killall' 30->61
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 09:51:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2ioit34gslqrqlublwvfgy5kukcnk6b6kvyeqxmhgtgug4bv342a._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250915-lvqcsahm9v/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3e4092b9-1497-4087-bf22-c93b9dccc5d8
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/d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:generic_IG_stealer
Create hunting rule
Author:RE4rensics
Description:Detects stealers that interacts with IG endpoints after stealing IG cookies
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
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 d21c89ef8692e1182e815daa5363aaa284d5783e5570485d8734cd437035df34

(this sample)

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

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