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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473. 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: 763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473
SHA3-384 hash: 7c6ab043e21b6fda8d5d18a87b030342400710ecea7ec428c17c610fca9470456512690bda9fb23baf1490fb91baf1cd
SHA1 hash: 5d8bc97ed832bc102628ee11332a408ddad6b4d2
MD5 hash: bc83621e81ea0dd6a2116c1440d9cd38
humanhash: uncle-pip-maryland-florida
File name:armv4l
Download: download sample
Signature Mirai
Create hunting rule
File size:82'296 bytes
First seen:2026-10-30 01:26:32 UTC
Last seen:2026-10-30 16:22:42 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZCECbqyWIJ6cqVPWOswHNr+ZiWl+EQ0dM0NQVR08FAnv0UvJuygJtTj04zl:2qyB9qxWOswHNSZj+VP0NmHY9JuygJtr
TLSH T1EF83027407A73F6085E4CC3922E996430B9996F2479EA132C0571E14348EDDD79D87AF
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 UPX
File size (compressed) :82'296 bytes
File size (de-compressed) :213'656 bytes
Format:linux/arm
Unpacked file: 376549b7dea66fb5aed231cb1e3637147f21278593886ef7292351e05f39a412

Intelligence

File Origin
# of uploads :
3
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bd3387b3-3ccb-4450-97b4-9f3101b4ac81/
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bashlite mirai packed upx
Link:
https://www.filescan.io/uploads/6ae3f271f51b2e4392559de6/reports/36c92dc0-872c-4f42-b4ea-ac1cf32c78af/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
292
Number of processes launched:
8
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-29T22:57:00Z UTC
Last seen:
2026-10-31T22:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b827b46f-ab2a-4ae2-be16-aea22fda4a08
Behavior Graph:
Download SVG
%3 guuid=857e3111-1800-0000-da64-20f2e60a0000 pid=2790 /usr/bin/sudo guuid=5e16f312-1800-0000-da64-20f2e70a0000 pid=2791 /tmp/sample.bin guuid=857e3111-1800-0000-da64-20f2e60a0000 pid=2790->guuid=5e16f312-1800-0000-da64-20f2e70a0000 pid=2791 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b8649cb0-34fc-4ce1-869d-207f52954a25
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1994986
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops invisible ELF files
Found malware configuration
Found strings related to Crypto-Mining
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
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 cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1994986 Sample: armv4l.elf Startdate: 30/10/2026 Architecture: LINUX Score: 100 142 147.79.62.90, 38980, 38982, 38984 SKYPASS-ASPL Poland 2->142 144 169.254.169.254 USDOS-USDepartmentofStateUS ZZ 2->144 146 3 other IPs or domains 2->146 150 Found malware configuration 2->150 152 Antivirus detection for dropped file 2->152 154 Antivirus / Scanner detection for submitted sample 2->154 156 4 other signatures 2->156 15 armv4l.elf 2->15         started        signatures3 process4 signatures5 168 Found strings related to Crypto-Mining 15->168 18 armv4l.elf 15->18         started        process6 process7 20 armv4l.elf 18->20         started        signatures8 158 Sample deletes itself 20->158 23 armv4l.elf 20->23         started        27 armv4l.elf sh 20->27         started        29 armv4l.elf 20->29         started        31 5 other processes 20->31 process9 file10 130 /etc/initramfs-too...t-premount/resolved, POSIX 23->130 dropped 132 /etc/initramfs-tools/hooks/resolved-hook, POSIX 23->132 dropped 134 /etc/cron.d/php, ASCII 23->134 dropped 160 Sample tries to set files in /etc globally writable 23->160 162 Sample tries to persist itself using cron 23->162 33 armv4l.elf sh 23->33         started        35 armv4l.elf sh 23->35         started        37 armv4l.elf sh 23->37         started        43 3 other processes 23->43 39 sh apt-get 27->39         started        136 /usr/lib/systemd/.system-helper, ELF 29->136 dropped 138 /etc/rc.local, ASCII 29->138 dropped 140 /etc/cron.d/killer-helper, ASCII 29->140 dropped 164 Drops invisible ELF files 29->164 166 Sample tries to persist itself using System V runlevels 29->166 41 armv4l.elf sh 29->41         started        signatures11 process12 process13 45 sh update-initramfs 33->45         started        47 sh udevadm 35->47         started        50 sh udevadm 35->50         started        58 2 other processes 37->58 52 apt-get gpgv 39->52         started        54 apt-get 39->54         started        56 apt-get dpkg 39->56         started        60 6 other processes 39->60 62 2 other processes 41->62 signatures14 64 update-initramfs mkinitramfs 45->64         started        66 update-initramfs awk 45->66         started        79 4 other processes 45->79 170 Opens /sys/class/net/* files useful for querying network interface information 47->170 69 gpgv 52->69         started        71 gpgv 52->71         started        73 gpgv 52->73         started        75 gpgv 52->75         started        77 apt-get sh 54->77         started        81 5 other processes 54->81 process15 signatures16 83 mkinitramfs 64->83         started        94 123 other processes 64->94 148 Sample reads /proc/mounts (often used for finding a writable filesystem) 66->148 85 gpgv apt-key 69->85         started        88 gpgv apt-key 71->88         started        90 gpgv apt-key 73->90         started        92 gpgv apt-key 75->92         started        96 2 other processes 77->96 98 3 other processes 79->98 100 5 other processes 81->100 process17 file18 106 99 other processes 83->106 122 /tmp/apt-key-gpghome.vcu4y943Xz/gpg.1.sh, POSIX 85->122 dropped 102 apt-key gpgconf 85->102         started        108 35 other processes 85->108 124 /tmp/apt-key-gpghome.QiGRpGksMl/gpg.1.sh, POSIX 88->124 dropped 104 apt-key gpgconf 88->104         started        110 35 other processes 88->110 126 /tmp/apt-key-gpghome.yY7K7QWAr0/gpg.1.sh, POSIX 90->126 dropped 112 36 other processes 90->112 128 /tmp/apt-key-gpghome.tdOJ9ZukI4/gpg.1.sh, POSIX 92->128 dropped 114 36 other processes 92->114 116 92 other processes 94->116 118 30 other processes 96->118 process19 process20 120 apt-config dpkg 108->120         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473/
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2026-10-30 01:27:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oy5hnsoydctha3v5uevqtvl7kwlkkzg6xkt3zlpibvg3icnysrzq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/261030-bt764avtfz/
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/763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473

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 763a76c9d818a6706ebda12b09d57f5596a564debaa7bcade80d4db409b89473

(this sample)

Mirai

elf 376549b7dea66fb5aed231cb1e3637147f21278593886ef7292351e05f39a412

  
URLhaus
https://urlhaus.abuse.ch/url/4039615/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 376549b7dea66fb5aed231cb1e3637147f21278593886ef7292351e05f39a412
  
Dropping
MD5 1f5692e8a422269cb59c8f56c87e664c

Comments