MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca. 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 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca
SHA3-384 hash: 2f4f41a7a7314ba2cd064bd260952b69737f4e48f46ff02bcd172baf28ddd8ca551080452c5929768f2856afcf24ca3f
SHA1 hash: 4587a426a0fcec17993b899f8966620c06bd1ef0
MD5 hash: bf5c507ecb73b6d6811e3cc8d01fa968
humanhash: eight-kilo-two-butter
File name:debug
Download: download sample
Signature Mirai
Create hunting rule
File size:141'676 bytes
First seen:2025-11-18 17:24:37 UTC
Last seen:2025-11-21 08:37:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:ZvqiZhU+FrpjGpHmbhj5XSD3HXidPvgNR:9qifU+mpZ34ngNR
TLSH T1C7D36BC5E68FD0F5E85215753036FB365AB3ED3A113EDA83C3A89A319CA3581D61A31C
telfhash t19e5138b9aa660ee95bd08803e28f5731fd0ee77b651475b205f31a743216a4291bbc38
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b8a175425845fabbbc8319272e89c4091277b68f879e7200f3ac3dc333517207
File size (compressed) :58'052 bytes
File size (de-compressed) :141'676 bytes
Format:linux/i386
Packed file: b8a175425845fabbbc8319272e89c4091277b68f879e7200f3ac3dc333517207

Intelligence

File Origin
# of uploads :
2
# of downloads :
44
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-14.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Opens a port
Sends data to a server
DNS request
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691cac3556cb9be853a74564/reports/3a3c8577-8739-498f-a88b-1edde99ca935/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
46
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca
Behaviour
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:
2025-11-18T15:43:00Z UTC
Last seen:
2025-11-20T15:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0b65610c-1db6-4ef8-b42e-021c58d5db9a
Behavior Graph:
Download SVG
%3 guuid=79fa68fe-1a00-0000-c523-c89e510c0000 pid=3153 /usr/bin/sudo guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159 /tmp/sample.bin net send-data guuid=79fa68fe-1a00-0000-c523-c89e510c0000 pid=3153->guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 1080B 310a0ed0-c544-54ca-bf3f-fca55e459297 65.222.202.53:80 guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159->310a0ed0-c544-54ca-bf3f-fca55e459297 send: 4B guuid=f55c5a3c-1b00-0000-c523-c89e920c0000 pid=3218 /tmp/sample.bin dns net send-data guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159->guuid=f55c5a3c-1b00-0000-c523-c89e920c0000 pid=3218 clone guuid=6eb22f69-1c00-0000-c523-c89e400f0000 pid=3904 /tmp/sample.bin guuid=cb3c8300-1b00-0000-c523-c89e570c0000 pid=3159->guuid=6eb22f69-1c00-0000-c523-c89e400f0000 pid=3904 clone guuid=f55c5a3c-1b00-0000-c523-c89e920c0000 pid=3218->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 36B 4b0e4b24-021f-5743-8b5a-ce89b76b814b uraniumc2.ddns.net:69 guuid=f55c5a3c-1b00-0000-c523-c89e920c0000 pid=3218->4b0e4b24-021f-5743-8b5a-ce89b76b814b send: 10B guuid=bd53653c-1b00-0000-c523-c89e930c0000 pid=3219 /tmp/sample.bin guuid=f55c5a3c-1b00-0000-c523-c89e920c0000 pid=3218->guuid=bd53653c-1b00-0000-c523-c89e930c0000 pid=3219 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4c3a8312-169c-46df-a084-088784ed6131
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1816297
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816297 Sample: debug.elf Startdate: 18/11/2025 Architecture: LINUX Score: 60 22 uraniumc2.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 5 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 8 debug.elf 2->8         started        10 dash rm 2->10         started        12 dash cut 2->12         started        14 9 other processes 2->14 signatures3 32 Uses dynamic DNS services 22->32 process4 process5 16 debug.elf 8->16         started        18 debug.elf 8->18         started        process6 20 debug.elf 16->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 17:26:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqqtdnrei73v256kpgnartnwlraqiauh34iuplokgv7envolb3fa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/251118-vzzlpaaj8x/
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Malware Config
C2 Extraction:
uraniumc2.ddns.net
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Mirai_fa3ad9d0 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_93fc3657 Linux_Trojan_Mirai_804f8e7c Linux_Trojan_Mirai_99d78950 Linux_Trojan_Mirai_a68e498c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3
Link:
https://app.threat.zone/submission/23d11adb-f353-41c5-af9d-856044f031bc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_804f8e7c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_93fc3657
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_a68e498c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Create hunting rule
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Mirai_Unpack
Create hunting rule
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 b8a175425845fabbbc8319272e89c4091277b68f879e7200f3ac3dc333517207

Mirai

elf 542131b62447f75d77ca799a08cdb65c41040287df1147adca357e46d5cb0eca

(this sample)

  
Dropped by
SHA256 b8a175425845fabbbc8319272e89c4091277b68f879e7200f3ac3dc333517207
  
URLhaus
https://urlhaus.abuse.ch/url/3711453/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3711511/
  
Dropped by
MD5 56f5fc6eaf7ad79690b5f70242ed2c45

Comments