MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fb7b63a67396bec9b30a424e1136a3283e44bdbbabc47b1063fa44cbcaedb4c. 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 4 File information Comments

SHA256 hash: 3fb7b63a67396bec9b30a424e1136a3283e44bdbbabc47b1063fa44cbcaedb4c
SHA3-384 hash: de699fee29c3125ab8ec7ddcc71568b5c8310a8a34fc68a6cfa5f82b164fc7e38bdd866a945afdcdb821d8e3de104782
SHA1 hash: 37f303c3442f40bc210ac4625157496ce75cb28e
MD5 hash: f24e1604ef1d57f205926500a29af9ef
humanhash: texas-maine-april-glucose
File name:armv4l
Download: download sample
Signature Mirai
File size:69'644 bytes
First seen:2026-08-23 01:33:16 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:AxVXXArRNOn/uWFsBRnB4F+7Yi0tVUqMzh:ADHAMuWaRnxOVUJt
TLSH T1386302A03E927411DA521537E51F8942F81B22E8E9F6F3743D19245BF0EBD9BC8B04DA
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) :69'644 bytes
File size (de-compressed) :178'776 bytes
Format:linux/arm
Unpacked file: 22b80878a53e54dda7d026318cb5a080cf34b12296cbf6ec885ebe55c330f446

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Status:
terminated
Behavior Graph:
%3 guuid=22bb640a-1900-0000-65e6-c5e2ae0b0000 pid=2990 /usr/bin/sudo guuid=f8832510-1900-0000-65e6-c5e2bd0b0000 pid=3005 /tmp/sample.bin guuid=22bb640a-1900-0000-65e6-c5e2ae0b0000 pid=2990->guuid=f8832510-1900-0000-65e6-c5e2bd0b0000 pid=3005 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1962304 Sample: armv4l.elf Startdate: 23/08/2026 Architecture: LINUX Score: 84 101 83.168.69.141, 57572, 57574, 57576 SKYPASS-ASPL Poland 2->101 103 Antivirus / Scanner detection for submitted sample 2->103 105 Multi AV Scanner detection for submitted file 2->105 107 Yara detected Mirai 2->107 109 Sample is packed with UPX 2->109 14 armv4l.elf 2->14         started        17 systemd snapd-env-generator 2->17         started        19 systemd snapd-env-generator 2->19         started        signatures3 process4 signatures5 121 Found strings related to Crypto-Mining 14->121 21 armv4l.elf 14->21         started        process6 process7 23 armv4l.elf 21->23         started        signatures8 111 Sample deletes itself 23->111 26 armv4l.elf 23->26         started        29 armv4l.elf 23->29         started        31 armv4l.elf iptables 23->31         started        33 armv4l.elf iptables 23->33         started        process9 signatures10 113 Sample tries to kill multiple processes (SIGKILL) 26->113 115 Deletes system log files 26->115 35 armv4l.elf 26->35         started        37 armv4l.elf 26->37         started        39 armv4l.elf 26->39         started        42 21 other processes 26->42 process11 file12 44 armv4l.elf 35->44         started        47 armv4l.elf 35->47         started        49 armv4l.elf 35->49         started        55 26 other processes 35->55 51 armv4l.elf 37->51         started        53 armv4l.elf 37->53         started        57 26 other processes 37->57 97 /run/.watchdog.pid, ASCII 39->97 dropped 59 22 other processes 39->59 99 /run/.locker.pid, ASCII 42->99 dropped 61 23 other processes 42->61 process13 signatures14 117 Sample tries to kill multiple processes (SIGKILL) 44->117 119 Deletes system log files 44->119 63 21 other processes 44->63 65 17 other processes 47->65 67 3 other processes 49->67 69 18 other processes 51->69 71 17 other processes 53->71 73 32 other processes 55->73 75 34 other processes 57->75 77 26 other processes 59->77 79 12 other processes 61->79 process15 process16 81 armv4l.elf 63->81         started        83 armv4l.elf 63->83         started        85 armv4l.elf 63->85         started        87 8 other processes 63->87 process17 89 armv4l.elf iptables 81->89         started        91 armv4l.elf iptables 81->91         started        93 armv4l.elf 83->93         started        95 armv4l.elf 83->95         started       
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2026-08-23 01:34:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
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 3fb7b63a67396bec9b30a424e1136a3283e44bdbbabc47b1063fa44cbcaedb4c

(this sample)

  
Delivery method
Distributed via web download

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