MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0
SHA3-384 hash: 98582773f6e60bcdc799bbef9fb7c6e6cb8c1efa6f622d805ec2dec3ec73bef8fb651ace29ec8acb097461a0e475e6b3
SHA1 hash: 8f0953621fcfb24471f81271dc3d4f16b49ec734
MD5 hash: 7b79c2da642f3ae317624dbcfb5aafd5
humanhash: winter-summer-chicken-one
File name:cosmic.ppc
Download: download sample
Signature Mirai
Create hunting rule
File size:27'048 bytes
First seen:2026-01-25 01:26:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:CVdafO76jpmNJJKehmA7trpfIX9KeA7PQ1+54uVcqgw09u:mam+AnKehPRa9aw+54u+qgw09u
TLSH T192C2D144F041CE01DEEB19F52E50CADBBBE46F1EAA528E8126B053D15A5D2A74309ECC
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) :27'048 bytes
File size (de-compressed) :63'736 bytes
Format:linux/ppc32
Unpacked file: c578da4e5ae2e4c277b1bbbb9132766346d7d201970f9866a3dfbe76c625814e

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1c40f4f7-0c57-4e1f-8b78-a14d899a9956/
Detection(s):
Unix.Trojan.Mirai-9936831-0
Create hunting rule

Unix.Dropper.Mirai-10009573-0
Create hunting rule

Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-24T18:11:00Z UTC
Last seen:
2026-01-24T21:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/7b808945-3a73-457b-9631-51ac2adcc2d4
Behavior Graph:
Download SVG
%3 guuid=410d463f-1b00-0000-dc09-b06c2c0a0000 pid=2604 /usr/bin/sudo guuid=b1f71241-1b00-0000-dc09-b06c320a0000 pid=2610 /tmp/sample.bin guuid=410d463f-1b00-0000-dc09-b06c2c0a0000 pid=2604->guuid=b1f71241-1b00-0000-dc09-b06c320a0000 pid=2610 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e6ab8972-84d7-4640-8313-70f3e3c95b43
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1857064
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857064 Sample: cosmic.ppc.elf Startdate: 25/01/2026 Architecture: LINUX Score: 68 24 77.24.233.249, 23 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->24 26 62.174.98.74, 23 VODAFONE_ESES Spain 2->26 28 99 other IPs or domains 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 36 Sample is packed with UPX 2->36 8 cosmic.ppc.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 process4 process5 12 cosmic.ppc.elf 8->12         started        14 cosmic.ppc.elf 8->14         started        16 cosmic.ppc.elf 8->16         started        process6 18 cosmic.ppc.elf 12->18         started        20 cosmic.ppc.elf 12->20         started        22 cosmic.ppc.elf 12->22         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-25 00:38:56 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w3pscq3lj4q7tim74oodivlqq3gdivgevazmyga5r5wrlvx3spya._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
linux upx
Link:
https://tria.ge/reports/260125-btnsfsb17b/
Please note that we are no longer able to provide a coverage score for Virus Total.

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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b6df21436b4f21f9a19fe39c34557086cc3454c4a832cc181d8f6d15d6fb93f0

(this sample)

Mirai

elf c578da4e5ae2e4c277b1bbbb9132766346d7d201970f9866a3dfbe76c625814e

  
URLhaus
https://urlhaus.abuse.ch/url/3763420/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c578da4e5ae2e4c277b1bbbb9132766346d7d201970f9866a3dfbe76c625814e
  
Dropping
MD5 7ccebe21bd9d88f35478f66e476b580c

Comments