MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781
SHA3-384 hash: 2a3516e16e3593f479f75f89ea9859e554d0bd05705a133096386beb3e2651afdd69baccd4f55e4d68471b125c2d6c90
SHA1 hash: d3125f73e108de55fe933b7cf79d65882d9c72e5
MD5 hash: 32f18ddbe349a49dac6ddb38d4d18409
humanhash: lithium-london-hawaii-ceiling
File name:Mark90c80.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:49'924 bytes
First seen:2025-12-28 07:42:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:JNULUxXJawHPqv3KqJnUjK36MHVOMUQnouy8HyC:XFx5fHPqvKH23GMnout1
TLSH T1C4230107C8A8AC46C03F46766F9FE85994663059D3CC14F26EE8B9B0E45073EE42D8DE
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) :49'924 bytes
File size (de-compressed) :117'352 bytes
Format:linux/i386
Unpacked file: 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8

Intelligence

File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d2e2493c-c009-473c-8ce7-132800fe5770/
Detection(s):
Unix.Dropper.Mirai-7135858-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Link:
https://www.filescan.io/uploads/6950df9ae126b9ff4393c14d/reports/be8cfe58-c03b-4239-8947-334e46bb6ac7/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T21:43:00Z UTC
Last seen:
2025-12-27T22:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c756c9bc-808e-47b1-9adb-f3d96525123b
Behavior Graph:
Download SVG
%3 guuid=c13ecdfd-1a00-0000-9853-3afced0a0000 pid=2797 /usr/bin/sudo guuid=17755f05-1b00-0000-9853-3afcf50a0000 pid=2805 /tmp/sample.bin net guuid=c13ecdfd-1a00-0000-9853-3afced0a0000 pid=2797->guuid=17755f05-1b00-0000-9853-3afcf50a0000 pid=2805 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=17755f05-1b00-0000-9853-3afcf50a0000 pid=2805->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0a3acc06-1b00-0000-9853-3afcf70a0000 pid=2807 /tmp/sample.bin guuid=17755f05-1b00-0000-9853-3afcf50a0000 pid=2805->guuid=0a3acc06-1b00-0000-9853-3afcf70a0000 pid=2807 clone guuid=966bfd06-1b00-0000-9853-3afcf80a0000 pid=2808 /tmp/sample.bin guuid=0a3acc06-1b00-0000-9853-3afcf70a0000 pid=2807->guuid=966bfd06-1b00-0000-9853-3afcf80a0000 pid=2808 clone guuid=f214770e-1b00-0000-9853-3afcfd0a0000 pid=2813 /tmp/sample.bin dns net send-data zombie guuid=966bfd06-1b00-0000-9853-3afcf80a0000 pid=2808->guuid=f214770e-1b00-0000-9853-3afcfd0a0000 pid=2813 clone guuid=f214770e-1b00-0000-9853-3afcfd0a0000 pid=2813->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B d3dcab34-0530-5a7b-920e-a46bc908528e yummystakes.win:12121 guuid=f214770e-1b00-0000-9853-3afcfd0a0000 pid=2813->d3dcab34-0530-5a7b-920e-a46bc908528e send: 15B guuid=6d51ec0e-1b00-0000-9853-3afcfe0a0000 pid=2814 /tmp/sample.bin guuid=f214770e-1b00-0000-9853-3afcfd0a0000 pid=2813->guuid=6d51ec0e-1b00-0000-9853-3afcfe0a0000 pid=2814 clone guuid=6ed8130f-1b00-0000-9853-3afcff0a0000 pid=2815 /tmp/sample.bin guuid=6d51ec0e-1b00-0000-9853-3afcfe0a0000 pid=2814->guuid=6ed8130f-1b00-0000-9853-3afcff0a0000 pid=2815 clone guuid=4b6d320f-1b00-0000-9853-3afc000b0000 pid=2816 /tmp/sample.bin zombie guuid=6d51ec0e-1b00-0000-9853-3afcfe0a0000 pid=2814->guuid=4b6d320f-1b00-0000-9853-3afc000b0000 pid=2816 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a00a6f7e-aa20-4765-86f5-6492a2fe00cb
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1840733
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840733 Sample: Mark90c80.i686.elf Startdate: 28/12/2025 Architecture: LINUX Score: 84 95 yummystakes.win 41.216.189.149, 12121, 41642, 41644 AS40676US South Africa 2->95 101 Malicious sample detected (through community Yara rule) 2->101 103 Multi AV Scanner detection for submitted file 2->103 105 Sample is packed with UPX 2->105 11 Mark90c80.i686.elf 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd gpu-manager 2->15         started        17 75 other processes 2->17 signatures3 process4 signatures5 20 Mark90c80.i686.elf 11->20         started        22 gpu-manager sh 13->22         started        24 gpu-manager sh 13->24         started        32 6 other processes 13->32 34 8 other processes 15->34 97 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->97 99 Reads system files that contain records of logged in users 17->99 26 accounts-daemon language-validate 17->26         started        28 accounts-daemon language-validate 17->28         started        30 accounts-daemon language-validate 17->30         started        36 77 other processes 17->36 process6 process7 38 Mark90c80.i686.elf 20->38         started        40 sh grep 22->40         started        42 sh grep 24->42         started        44 language-validate language-options 26->44         started        46 language-validate language-options 28->46         started        48 language-validate language-options 30->48         started        50 6 other processes 32->50 52 8 other processes 34->52 54 60 other processes 36->54 process8 56 Mark90c80.i686.elf 38->56         started        58 language-options sh 44->58         started        60 language-options sh 46->60         started        62 language-options sh 48->62         started        64 language-options sh 54->64         started        66 language-options sh 54->66         started        68 language-options sh 54->68         started        70 language-options sh 54->70         started        process9 72 Mark90c80.i686.elf 56->72         started        74 sh locale 58->74         started        76 sh grep 58->76         started        78 2 other processes 60->78 80 2 other processes 62->80 82 2 other processes 64->82 84 2 other processes 66->84 86 2 other processes 68->86 88 2 other processes 70->88 process10 90 Mark90c80.i686.elf 72->90         started        93 Mark90c80.i686.elf 72->93         started        signatures11 107 Sample tries to kill a massive number of system processes 90->107 109 Sample tries to kill multiple processes (SIGKILL) 90->109 111 Deletes system log files 93->111
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-28 02:35:44 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lqyuhgb63bdg2hp22o2vtrpirfbrzjj4ig46vd5vept7r3ax26aq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet discovery linux upx
Link:
https://tria.ge/reports/251228-jkg8bacp7t/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Mirai
Mirai family
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
YARA:
n/a
Link:
https://app.threat.zone/submission/972e6120-dd68-468d-a89e-b730bf2ed70b
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/5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781

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
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781

(this sample)

Mirai

elf 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8

  
URLhaus
https://urlhaus.abuse.ch/url/3745157/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8
  
Dropping
MD5 c944f6ac7578c130e9ec22814d8e52a7

Comments