MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f343a4b7136f6e6216c07fa04adf0c2ca168c2142417d6fa3a13c665a110d63. 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 7 File information Comments

SHA256 hash: 5f343a4b7136f6e6216c07fa04adf0c2ca168c2142417d6fa3a13c665a110d63
SHA3-384 hash: 5fb8f6c21ec9c171b54d885466f515e00b63f9cec6ef413c4f69df23be409def2187335eceea5138020fb727f7c0e206
SHA1 hash: 793bead7855237bd613584603ee1f5b7148f64b7
MD5 hash: 8bed24b0fcf07e64fa4486dd1a5c4c41
humanhash: fourteen-comet-hydrogen-louisiana
File name:arm7.urbotnetisass
Download: download sample
Signature Mirai
File size:231'347 bytes
First seen:2025-09-10 14:32:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:pIwNREe4fzWVTMt0tSzwAa00uzofCshH//ciA9NH8PECRAJSc:5EP6VTMtI4wAabuzofCshfkiA2ECRAD
TLSH T132349F45A6509F13E4D336BCBBD645143223AFB8F3EAB0049520AFA4274F9E64B79F41
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm gcc rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
custom
Botnet:
unknown
Number of open files:
1
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-10T11:44:00Z UTC
Last seen:
2025-09-10T11:44:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=53886f71-2100-0000-9971-a5829f0a0000 pid=2719 /usr/bin/sudo guuid=52ccb873-2100-0000-9971-a582a70a0000 pid=2727 /tmp/sample.bin guuid=53886f71-2100-0000-9971-a5829f0a0000 pid=2719->guuid=52ccb873-2100-0000-9971-a582a70a0000 pid=2727 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1774860 Sample: arm7.urbotnetisass.elf Startdate: 10/09/2025 Architecture: LINUX Score: 84 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 54.171.230.55, 443, 58864 AMAZON-02US United States 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Mirai 2->55 10 arm7.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 28 other processes 2->16 signatures3 process4 process5 18 arm7.urbotnetisass.elf 10->18         started        file6 39 /memfd:/usr/lib/librt.so.1 (deleted), ELF 18->39 dropped 41 /memfd:/usr/lib/libpthread.so.0 (deleted), ELF 18->41 dropped 43 /memfd:/usr/lib/libm.so.6 (deleted), ELF 18->43 dropped 45 41 other malicious files 18->45 dropped 57 Writes identical ELF files to multiple locations 18->57 22 arm7.urbotnetisass.elf 18->22         started        24 arm7.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 arm7.urbotnetisass.elf 22->26         started        29 arm7.urbotnetisass.elf 24->29         started        signatures10 59 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->59 61 Deletes system log files 26->61 31 arm7.urbotnetisass.elf 26->31         started        33 arm7.urbotnetisass.elf 26->33         started        35 arm7.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Threat name:
Linux.Exploit.Mirai
Status:
Malicious
First seen:
2025-09-10 14:35:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7755770-0
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:ach_202503_elf_Mirai
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5f343a4b7136f6e6216c07fa04adf0c2ca168c2142417d6fa3a13c665a110d63

(this sample)

  
Delivery method
Distributed via web download

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