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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049
SHA3-384 hash: db3d31009aa23c9b5f5ff16f5a055f57e47c8256e627270526760398cd9664568c6925699fa8ba365176abc41956c72c
SHA1 hash: b9bd1676c7c7faf5f99c2c37500b52f8996cd44f
MD5 hash: 3a1f44d44c2c48f0c2e34713406d4a28
humanhash: failed-fish-cup-mango
File name:arm4
Download: download sample
Signature Mirai
Create hunting rule
File size:112'360 bytes
First seen:2026-09-25 17:43:35 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:CM+kXMAcf/aV8fLYam5rCHgm902RzZ8nIz1BDL2Z:ikgaV8fqdCAgRloIGZ
TLSH T15DB3125CE0D1ACE9CD5526B4E150E674864262FBFDDF70A0BD1F8B4808849DA3CF5216
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :112'360 bytes
File size (de-compressed) :256'380 bytes
Format:linux/arm
Unpacked file: ef9e070d33d68ad82b50d759f60d67d18fbb0e881604024e5cd06d7815fc53eb

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/60bfcdfb-37ed-4d8d-ac36-0aac459d97ff/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Launching a process
Manages services
Runs as daemon
Changes access rights for a written file
Opens a port
Receives data from a server
Changes the time when the file was created, accessed, or modified
Connection attempt
Creating a file
Creates directories
Mounts file systems
Sets a written file as executable
Sends data to a server
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6ab6b2f11ffa74a01f61e7a1/reports/fb9cb1e8-9c7e-4913-8378-dafd19322909/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-25T16:49:00Z UTC
Last seen:
2026-09-26T22:38:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/343f86b4-3860-48c1-945b-f796428b932b
Behavior Graph:
Download SVG
%3 guuid=cfde6c7c-1a00-0000-4f2e-dffb97090000 pid=2455 /usr/bin/sudo guuid=95b01a7f-1a00-0000-4f2e-dffb9c090000 pid=2460 /tmp/sample.bin guuid=cfde6c7c-1a00-0000-4f2e-dffb97090000 pid=2455->guuid=95b01a7f-1a00-0000-4f2e-dffb9c090000 pid=2460 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7067995f-bcc3-42af-90d1-a310ea5674a2
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1978326
Signature
Drops files in suspicious directories
Executes the "crontab" command typically for achieving persistence
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Protects files from modification
Sample deletes itself
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Writes ELF files to hidden directories
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1978326 Sample: arm4.elf Startdate: 25/09/2026 Architecture: LINUX Score: 100 77 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->77 79 217.60.103.135, 35342, 54912 HOSTSNAP-NETWORK-HostSNAPLLCUS Switzerland 2->79 81 daisy.ubuntu.com 91.189.95.56, 443, 45858, 45862 CANONICAL-ASGB United Kingdom 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 Yara detected Mirai 2->85 87 Sample is packed with UPX 2->87 12 arm4.elf 2->12         started        14 systemd snapd-env-generator 2->14         started        16 systemd snapd-env-generator 2->16         started        18 3 other processes 2->18 signatures3 process4 process5 20 arm4.elf 12->20         started        process6 22 arm4.elf 20->22         started        process7 24 arm4.elf 22->24         started        file8 63 /var/tmp/.cache/sysd, ELF 24->63 dropped 65 /etc/systemd/system/system-service.service, ASCII 24->65 dropped 67 /etc/rc.local, POSIX 24->67 dropped 69 /etc/init.d/system-service, POSIX 24->69 dropped 97 Sample tries to set files in /etc globally writable 24->97 99 Writes ELF files to hidden directories 24->99 101 Drops files in suspicious directories 24->101 103 2 other signatures 24->103 28 arm4.elf 24->28         started        32 arm4.elf sh 24->32         started        34 arm4.elf sh 24->34         started        36 6 other processes 24->36 signatures9 process10 file11 71 /root/.bashrc, ASCII 28->71 dropped 73 /etc/profile, ASCII 28->73 dropped 107 Sample tries to persist itself using /etc/profile 28->107 109 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 28->109 38 arm4.elf busybox 28->38         started        41 arm4.elf busybox 28->41         started        43 arm4.elf chattr 28->43         started        54 286 other processes 28->54 45 sh crontab 32->45         started        48 sh 32->48         started        50 sh update-rc.d 34->50         started        111 Sample reads /proc/mounts (often used for finding a writable filesystem) 36->111 52 sh crontab 36->52         started        56 2 other processes 36->56 signatures12 process13 file14 89 Protects files from modification 38->89 75 /var/spool/cron/crontabs/tmp.SIX82R, ASCII 45->75 dropped 91 Sample tries to persist itself using cron 45->91 93 Executes the "crontab" command typically for achieving persistence 45->93 58 sh crontab 48->58         started        95 Sample tries to persist itself using System V runlevels 50->95 61 update-rc.d systemctl 50->61         started        signatures15 process16 signatures17 105 Executes the "crontab" command typically for achieving persistence 58->105
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-25 17:44:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pxshplmdgh7e5nu3so4ckxfzqaqlnyezfr354rbykt2lx7hu4beq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery execution persistence privilege_escalation upx
Link:
https://tria.ge/reports/260925-wa8nqsfh82/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Modifies Bash startup script
Reads process memory
UPX packed file
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Modifies the /etc/hosts DNS resolution file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049

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_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:linux_generic_ipv6_catcher
Create hunting rule
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 7de477ad8331fe4eb69b93b8255cb98020b6e0992c77de443854f4bbfcf4e049

(this sample)

Mirai

elf ef9e070d33d68ad82b50d759f60d67d18fbb0e881604024e5cd06d7815fc53eb

  
URLhaus
https://urlhaus.abuse.ch/url/3921984/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 ef9e070d33d68ad82b50d759f60d67d18fbb0e881604024e5cd06d7815fc53eb
  
Dropping
MD5 dc3994afa0e678b77854b3791d27aca6

Comments