MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c43f736f1b26cf059bdb961766ddabdcc1ccde7be851b670a2f88bb67dee2dc3. 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: c43f736f1b26cf059bdb961766ddabdcc1ccde7be851b670a2f88bb67dee2dc3
SHA3-384 hash: 8c105f3b2e7cf6094ba336042c0b1e08be2865f487b13d5117dbb0003a7ad8c83e7e968986d25b5d19fd5bf5f4c59ae3
SHA1 hash: d3c53e0116b681c76693e6ddd428614c9488e063
MD5 hash: 0842b27721d03541196cd7b367bc572f
humanhash: bacon-august-sweet-bravo
File name:armv5l
Download: download sample
Signature Mirai
File size:67'132 bytes
First seen:2026-08-19 20:44:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:6fadqbLINZIhanq0PaRrUVwlGJyoaeYL+W6n1pQTfkNUza:6ANPLSWVwcJyo1qFZMSm
TLSH T1356301A392597A6ADA77233CD6EF0DE6B3328734F24374642818B1207BC1956677C4CE
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) :67'132 bytes
File size (de-compressed) :170'584 bytes
Format:linux/arm
Unpacked file: 1d841c5b336df35e52bfec97e27a4472b53a7fd15ea9402d3fee4655a2cb8ee2

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai packed upx
Status:
terminated
Behavior Graph:
%3 guuid=48833da0-1a00-0000-04eb-b9ac49090000 pid=2377 /usr/bin/sudo guuid=79bed3a2-1a00-0000-04eb-b9ac50090000 pid=2384 /tmp/sample.bin guuid=48833da0-1a00-0000-04eb-b9ac49090000 pid=2377->guuid=79bed3a2-1a00-0000-04eb-b9ac50090000 pid=2384 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
88 / 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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1960780 Sample: armv5l.elf Startdate: 19/08/2026 Architecture: LINUX Score: 88 103 83.168.69.141, 57572, 57574, 57576 SKYPASS-ASPL Poland 2->103 113 Antivirus / Scanner detection for submitted sample 2->113 115 Multi AV Scanner detection for submitted file 2->115 117 Yara detected Mirai 2->117 119 Sample is packed with UPX 2->119 14 armv5l.elf 2->14         started        17 gvfsd-fuse fusermount 2->17         started        19 gnome-session-binary sh gsd-print-notifications 2->19         started        21 20 other processes 2->21 signatures3 process4 signatures5 123 Found strings related to Crypto-Mining 14->123 23 armv5l.elf 14->23         started        125 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->125 25 gsd-print-notifications 19->25         started        process6 process7 27 armv5l.elf 23->27         started        30 gsd-print-notifications gsd-printer 25->30         started        signatures8 121 Sample deletes itself 27->121 32 armv5l.elf 27->32         started        35 armv5l.elf 27->35         started        37 armv5l.elf iptables 27->37         started        39 armv5l.elf iptables 27->39         started        process9 signatures10 105 Sample tries to kill multiple processes (SIGKILL) 32->105 107 Deletes system log files 32->107 41 armv5l.elf 32->41         started        44 armv5l.elf 32->44         started        46 armv5l.elf 32->46         started        48 22 other processes 32->48 process11 file12 99 /run/.locker.pid, ASCII 41->99 dropped 50 armv5l.elf 41->50         started        53 armv5l.elf 41->53         started        55 armv5l.elf 41->55         started        61 26 other processes 41->61 57 armv5l.elf 44->57         started        59 armv5l.elf 44->59         started        63 18 other processes 44->63 65 12 other processes 46->65 101 /run/.watchdog.pid, ASCII 48->101 dropped 67 12 other processes 48->67 process13 signatures14 109 Sample tries to kill multiple processes (SIGKILL) 50->109 111 Deletes system log files 50->111 69 20 other processes 50->69 71 17 other processes 53->71 73 16 other processes 55->73 75 19 other processes 57->75 77 17 other processes 59->77 79 34 other processes 61->79 81 26 other processes 63->81 83 16 other processes 65->83 85 12 other processes 67->85 process15 process16 87 armv5l.elf 69->87         started        89 armv5l.elf 69->89         started        91 armv5l.elf 69->91         started        93 4 other processes 69->93 process17 95 armv5l.elf 87->95         started        97 armv5l.elf 87->97         started       
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2026-08-19 20:45:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
12 of 36 (33.33%)
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 c43f736f1b26cf059bdb961766ddabdcc1ccde7be851b670a2f88bb67dee2dc3

(this sample)

  
Delivery method
Distributed via web download

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