MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d
SHA3-384 hash: 53a967873aa846fee52a4a8d7bbb2254148c27e3d8d1aa25e28def413882811d4f4d4336d30894ae956b2e3863365ed9
SHA1 hash: 96d0bd0c0ccdcd9660559cee9e7bf6d39bcbf523
MD5 hash: 50f33aa09e2b4b2a367061a6e9959082
humanhash: sad-stairway-march-burger
File name:nklarm6
Download: download sample
Signature Mirai
Create hunting rule
File size:84'748 bytes
First seen:2025-12-26 18:11:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6Nn60yshP/pimSQV6755z0xYa3dmDs+2HBa7vb+3+4MGbOMxiF2gM7KxvH7/kYYA:0XXsjEUDB2hp362gM7KxvHDkzTA
TLSH T128830996B9818B25C6D562BEFE1E11CD331317B8D3DF72139D146B247B8A82B0E7B901
telfhash t19cd0c2d7983d44ecb0f2472459ec2894d6b865ab1e111092adbc870e80010c03c3205e
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 :
40
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/694ed0003f8fdbf8e952daba/reports/2ead4d1e-b0eb-4a60-83ba-aababe9c002f/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-26T13:59:00Z UTC
Last seen:
2025-12-26T14:20:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7f022627-a434-48c0-b33a-ef17d8b46bb0
Behavior Graph:
Download SVG
%3 guuid=28a97f99-1f00-0000-1690-aa9d97090000 pid=2455 /usr/bin/sudo guuid=7472659c-1f00-0000-1690-aa9d9b090000 pid=2459 /tmp/sample.bin guuid=28a97f99-1f00-0000-1690-aa9d97090000 pid=2455->guuid=7472659c-1f00-0000-1690-aa9d9b090000 pid=2459 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/574479e2-870a-4fee-b198-3a117fced7db
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1839875
Signature
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1839875 Sample: nklarm6.elf Startdate: 26/12/2025 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Mirai 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 nklarm6.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-26 18:12:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=th4nerhvtytql6ia2aoxa6rfzdrqdf6drckgotw2dahksudpdnoq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251226-ws9zhsvkfk/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
YARA:
n/a
Link:
https://app.threat.zone/submission/72f16c10-6197-47f3-af42-a213e76a8edc
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/99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d

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_d2dca9e7
Create hunting rule
Author:Elastic Security
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 99f8d244f59e2705f900d01d707a25c8e30197c38894674eda180ea9506f1b5d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739197/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739415/

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