MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8. 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: 10


Intelligence 10 IOCs YARA 10 File information Comments

SHA256 hash: 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8
SHA3-384 hash: c55bc9c86afc98f1faf432a1a575c68f0dfee9ce844859b915db809db0b6d2fad02f74ce90b911d9b47e22ecdbd54e5f
SHA1 hash: efc81bb528da7108ad0d11283c8b682c3d14fddf
MD5 hash: c944f6ac7578c130e9ec22814d8e52a7
humanhash: montana-may-muppet-helium
File name:Mark90c80.i686
Download: download sample
Signature Mirai
File size:117'352 bytes
First seen:2025-12-28 07:43:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:qfGgnqhhC30g6Euu0iL+l1NOwKCLWiKTVL1i3GTgZvqDXksZ9:OqTCkg6Ex0iCNhGNpL1i3GUa
TLSH T16BB35AC1BB8BC4F5E80748B04027F33FCB72E1394065D65AEF6A9F26D9735819A1629C
telfhash t17851e7fa197e09e9a7d49841c20e6fa17e1ee777146033b141f3c8343267e8154bac39
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 5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781
File size (compressed) :49'924 bytes
File size (de-compressed) :117'352 bytes
Format:linux/i386
Packed file: 5c3143983ed8466d1dfad3b559c5e889431ca53c41b9ea8fb523e7f8ec17d781

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-27T22:04:00Z UTC
Last seen:
2025-12-28T06:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=12375837-1b00-0000-eccb-a274510b0000 pid=2897 /usr/bin/sudo guuid=08736e39-1b00-0000-eccb-a274520b0000 pid=2898 /tmp/sample.bin net guuid=12375837-1b00-0000-eccb-a274510b0000 pid=2897->guuid=08736e39-1b00-0000-eccb-a274520b0000 pid=2898 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=08736e39-1b00-0000-eccb-a274520b0000 pid=2898->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5429ad39-1b00-0000-eccb-a274530b0000 pid=2899 /tmp/sample.bin guuid=08736e39-1b00-0000-eccb-a274520b0000 pid=2898->guuid=5429ad39-1b00-0000-eccb-a274530b0000 pid=2899 clone guuid=9622ba39-1b00-0000-eccb-a274540b0000 pid=2900 /tmp/sample.bin guuid=5429ad39-1b00-0000-eccb-a274530b0000 pid=2899->guuid=9622ba39-1b00-0000-eccb-a274540b0000 pid=2900 clone guuid=afcf353d-1b00-0000-eccb-a274550b0000 pid=2901 /tmp/sample.bin dns net send-data zombie guuid=9622ba39-1b00-0000-eccb-a274540b0000 pid=2900->guuid=afcf353d-1b00-0000-eccb-a274550b0000 pid=2901 clone guuid=afcf353d-1b00-0000-eccb-a274550b0000 pid=2901->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B d3dcab34-0530-5a7b-920e-a46bc908528e yummystakes.win:12121 guuid=afcf353d-1b00-0000-eccb-a274550b0000 pid=2901->d3dcab34-0530-5a7b-920e-a46bc908528e send: 15B guuid=da424b3d-1b00-0000-eccb-a274560b0000 pid=2902 /tmp/sample.bin guuid=afcf353d-1b00-0000-eccb-a274550b0000 pid=2901->guuid=da424b3d-1b00-0000-eccb-a274560b0000 pid=2902 clone guuid=88cf563d-1b00-0000-eccb-a274570b0000 pid=2903 /tmp/sample.bin guuid=da424b3d-1b00-0000-eccb-a274560b0000 pid=2902->guuid=88cf563d-1b00-0000-eccb-a274570b0000 pid=2903 clone guuid=891c683d-1b00-0000-eccb-a274580b0000 pid=2904 /tmp/sample.bin zombie guuid=da424b3d-1b00-0000-eccb-a274560b0000 pid=2902->guuid=891c683d-1b00-0000-eccb-a274580b0000 pid=2904 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840725 Sample: Mark90c80.i686.elf Startdate: 28/12/2025 Architecture: LINUX Score: 80 77 yummystakes.win 41.216.189.149, 12121, 44416, 44418 AS40676US South Africa 2->77 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for submitted file 2->85 11 Mark90c80.i686.elf 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd gpu-manager 2->15         started        17 33 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        26 gpu-manager sh 13->26         started        32 5 other processes 13->32 34 8 other processes 15->34 79 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->79 81 Reads system files that contain records of logged in users 17->81 28 accounts-daemon language-validate 17->28         started        30 accounts-daemon language-validate 17->30         started        36 14 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 sh grep 26->44         started        46 language-validate language-options 28->46         started        48 language-validate language-options 30->48         started        50 5 other processes 32->50 52 8 other processes 34->52 54 8 other processes 36->54 process8 56 Mark90c80.i686.elf 38->56         started        58 language-options sh 46->58         started        60 language-options sh 48->60         started        process9 62 Mark90c80.i686.elf 56->62         started        64 sh locale 58->64         started        66 sh grep 58->66         started        68 sh locale 60->68         started        70 sh grep 60->70         started        process10 72 Mark90c80.i686.elf 62->72         started        75 Mark90c80.i686.elf 62->75         started        signatures11 87 Sample tries to kill a massive number of system processes 72->87 89 Sample tries to kill multiple processes (SIGKILL) 72->89 91 Deletes system log files 75->91
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-28 02:35:46 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Mirai_0cb1699c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:unixredflags3
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 54c9f7c62a28cbf7b42792923148b8d5cf2a40a27f6557df93b6fa91a4c29ce8

(this sample)

  
Delivery method
Distributed via web download

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