MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b. 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: c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b
SHA3-384 hash: a4bd4dfe5c846edbb83a843b9acff1d573618bcaa2dcb6cca96834af3ee0882cb05001a892ebcbbc1c10483ed7407c35
SHA1 hash: c2f5ac9118599c3c9b36078722e1633d034e6307
MD5 hash: 89ef2dc073c24c6e02e71e24378e3b7e
humanhash: spaghetti-carolina-magazine-nebraska
File name:morte.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:39'732 bytes
First seen:2025-12-27 18:55:33 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:I6dO68rHwx/S+/dAjw0kwjtSn9neruO/pahiAZPcVTnbcuyD7UHQRjZ:I6z8r0WhSn9nahaUAZyTnouy8HyN
TLSH T1BD03E1D754F6B609D23AF33C1DC9CDCED1A4E2494288C2B41895B17983E9F3BA5316C2
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
File size (compressed) :39'732 bytes
File size (de-compressed) :75'280 bytes
Format:linux/i386
Unpacked file: bb68dcec91105bdc119b21224b543be40b21a585ad6f69e35ecb88816f9b2c0e

Intelligence

File Origin
# of uploads :
1
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0fd9811d-63f9-4ea1-8b97-ded00d410bfd/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/69502bd6e126b9ff439353d0/reports/41aa31eb-85de-47c3-962f-078a3d7edbb5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T16:24:00Z UTC
Last seen:
2025-12-27T16:47:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/58193c9b-c387-4113-b2a0-6f6e9da817bd
Behavior Graph:
Download SVG
%3 guuid=9cc5a89b-1e00-0000-e8fe-27123c0d0000 pid=3388 /usr/bin/sudo guuid=d79a019e-1e00-0000-e8fe-2712430d0000 pid=3395 /tmp/sample.bin net guuid=9cc5a89b-1e00-0000-e8fe-27123c0d0000 pid=3388->guuid=d79a019e-1e00-0000-e8fe-2712430d0000 pid=3395 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=d79a019e-1e00-0000-e8fe-2712430d0000 pid=3395->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=402ebe9e-1e00-0000-e8fe-2712470d0000 pid=3399 /tmp/sample.bin guuid=d79a019e-1e00-0000-e8fe-2712430d0000 pid=3395->guuid=402ebe9e-1e00-0000-e8fe-2712470d0000 pid=3399 clone guuid=2b38c89e-1e00-0000-e8fe-2712480d0000 pid=3400 /tmp/sample.bin write-config zombie guuid=402ebe9e-1e00-0000-e8fe-2712470d0000 pid=3399->guuid=2b38c89e-1e00-0000-e8fe-2712480d0000 pid=3400 clone guuid=811145a3-1e00-0000-e8fe-2712560d0000 pid=3414 /usr/bin/dash guuid=2b38c89e-1e00-0000-e8fe-2712480d0000 pid=3400->guuid=811145a3-1e00-0000-e8fe-2712560d0000 pid=3414 execve guuid=51c44ea6-1e00-0000-e8fe-2712620d0000 pid=3426 /tmp/sample.bin delete-file dns net send-data guuid=2b38c89e-1e00-0000-e8fe-2712480d0000 pid=3400->guuid=51c44ea6-1e00-0000-e8fe-2712620d0000 pid=3426 clone guuid=8b5174a3-1e00-0000-e8fe-2712580d0000 pid=3416 /usr/bin/cp guuid=811145a3-1e00-0000-e8fe-2712560d0000 pid=3414->guuid=8b5174a3-1e00-0000-e8fe-2712580d0000 pid=3416 execve guuid=51c44ea6-1e00-0000-e8fe-2712620d0000 pid=3426->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 112B 7714685f-b9c2-5302-a2db-d78b8a5f414c ransokk.de:12121 guuid=51c44ea6-1e00-0000-e8fe-2712620d0000 pid=3426->7714685f-b9c2-5302-a2db-d78b8a5f414c send: 2B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f609334-fdeb-43a0-a8b0-65ad3ef1cd03
Result
Threat name:
Mirai, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1840443
Signature
Drops files in suspicious directories
Found strings related to Crypto-Mining
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Mirai
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840443 Sample: morte.x86.elf Startdate: 27/12/2025 Architecture: LINUX Score: 96 28 ransokk.de 51.38.196.153, 12121, 58660, 58662 OVHFR France 2->28 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected Mirai 2->40 42 2 other signatures 2->42 10 morte.x86.elf 2->10         started        signatures3 process4 signatures5 46 Found strings related to Crypto-Mining 10->46 13 morte.x86.elf 10->13         started        process6 process7 15 morte.x86.elf 13->15         started        file8 26 /etc/init.d/sysd, POSIX 15->26 dropped 30 Sample tries to set files in /etc globally writable 15->30 32 Drops files in suspicious directories 15->32 34 Sample tries to persist itself using System V runlevels 15->34 19 morte.x86.elf 15->19         started        22 morte.x86.elf sh 15->22         started        signatures9 process10 signatures11 44 Sample deletes itself 19->44 24 sh cp 22->24         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-27 18:56:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqygzndddueywiyssh5ii3a5r3xztz2faobm3z4sivmxnvnribfq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/251227-xlg6lawpcn/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/481bc206-cbe4-40c3-afee-ac46bee61971
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf c4306cb4631d098b231291fa846c1d8eef99e7450382cde792455976d5b1404b

(this sample)

Mirai

elf bb68dcec91105bdc119b21224b543be40b21a585ad6f69e35ecb88816f9b2c0e

  
URLhaus
https://urlhaus.abuse.ch/url/3618343/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 bb68dcec91105bdc119b21224b543be40b21a585ad6f69e35ecb88816f9b2c0e
  
Dropping
MD5 feeb9b8c5c657c8324025de70f8d2ac7

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