MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c
SHA3-384 hash: 3d4c85481696ee14c77725155101ddb237ed8f155d82d7807246ab5e335d780b1a2c104741bf74bb2799aaed2b347f78
SHA1 hash: 6d90cbfc25a799e4b408c2d18364ea97139a0f8c
MD5 hash: 1e4141f0176ff133c74662086d5f47bd
humanhash: low-black-magazine-burger
File name:xova.x86
Download: download sample
Signature Mirai
Create hunting rule
File size:30'568 bytes
First seen:2026-01-11 05:52:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:UrCyVFQVjXNE7cs38w2pdm+R+TFmHru4Tk0kYCj:m1VFQVjdE7cY32ZRaPx
TLSH T144D2E1B2DE45C467DA42423F8D11F84F1B34EC99D3AA37E3510C8A826256C2E7CD5EC5
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) :30'568 bytes
File size (de-compressed) :66'136 bytes
Format:linux/i386
Unpacked file: 94fef56eeb8e9fbca0becf8b87fbecda246872afb4c9f69f5772f75630337c4b

Intelligence

File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2bb0be5a-826c-45c3-a360-c6922805e1a2/
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Runs as daemon
Opens a port
Kills critical processes
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Link:
https://www.filescan.io/uploads/69633ae307ef5fa68e84195b/reports/2051e5db-1180-49ae-81d4-7d0df90485d5/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T03:01:00Z UTC
Last seen:
2026-01-12T23:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/515ae19a-e529-452a-9fe0-1f321ac319c3
Behavior Graph:
Download SVG
%3 guuid=2224b1b0-1900-0000-0a56-9f46d50a0000 pid=2773 /usr/bin/sudo guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781 /tmp/sample.bin net guuid=2224b1b0-1900-0000-0a56-9f46d50a0000 pid=2773->guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d84429b4-1900-0000-0a56-9f46df0a0000 pid=2783 /tmp/sample.bin zombie guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781->guuid=d84429b4-1900-0000-0a56-9f46df0a0000 pid=2783 clone guuid=26a32eb4-1900-0000-0a56-9f46e00a0000 pid=2784 /tmp/sample.bin guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781->guuid=26a32eb4-1900-0000-0a56-9f46e00a0000 pid=2784 clone guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785 /tmp/sample.bin net send-data zombie guuid=f2dce8b3-1900-0000-0a56-9f46dd0a0000 pid=2781->guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785 clone 4136360b-4b1a-59eb-92e5-d3d5d9118786 64.226.91.31:81 guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785->4136360b-4b1a-59eb-92e5-d3d5d9118786 send: 2B guuid=c2cf4ab4-1900-0000-0a56-9f46e20a0000 pid=2786 /tmp/sample.bin guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785->guuid=c2cf4ab4-1900-0000-0a56-9f46e20a0000 pid=2786 clone guuid=d72950b4-1900-0000-0a56-9f46e40a0000 pid=2788 /tmp/sample.bin guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785->guuid=d72950b4-1900-0000-0a56-9f46e40a0000 pid=2788 clone guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789 /tmp/sample.bin net net-scan send-data guuid=662533b4-1900-0000-0a56-9f46e10a0000 pid=2785->guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789 clone guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con a9cf9ad1-27f8-5171-a977-198b89081e46 27.113.97.42:23 guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789->a9cf9ad1-27f8-5171-a977-198b89081e46 send: 114B 6246804b-1b2e-5c8e-a0f4-18b42b977bc2 34.144.197.104:23 guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789->6246804b-1b2e-5c8e-a0f4-18b42b977bc2 send: 40B 2c61e5df-6c8a-50c4-bd65-86382c64a352 172.65.1.150:23 guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789->2c61e5df-6c8a-50c4-bd65-86382c64a352 send: 40B guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789|send-data send-data to 4079 IP addresses review logs to see them all guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789->guuid=15bd54b4-1900-0000-0a56-9f46e50a0000 pid=2789|send-data send
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5740c95e-fd6d-4ec8-997d-aad1cfb7d9b8
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1848259
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848259 Sample: xova.x86.elf Startdate: 11/01/2026 Architecture: LINUX Score: 80 133 45.214.217.159, 23 ZAIN-ZAMBIAZM Zambia 2->133 135 139.190.253.17, 23 WITRIBE-AS-APWITRIBEPAKISTANLIMITEDPK Pakistan 2->135 137 98 other IPs or domains 2->137 143 Malicious sample detected (through community Yara rule) 2->143 145 Multi AV Scanner detection for submitted file 2->145 147 Yara detected Mirai 2->147 149 Sample is packed with UPX 2->149 12 systemd gdm3 2->12         started        14 systemd gdm3 2->14         started        16 systemd gpu-manager 2->16         started        18 95 other processes 2->18 signatures3 process4 file5 22 gdm3 gdm-session-worker 12->22         started        24 gdm3 gdm-session-worker 12->24         started        33 5 other processes 12->33 26 gdm3 gdm-session-worker 14->26         started        35 3 other processes 14->35 37 8 other processes 16->37 131 /var/log/wtmp, data 18->131 dropped 139 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->139 141 Reads system files that contain records of logged in users 18->141 28 xova.x86.elf 18->28         started        30 xova.x86.elf 18->30         started        39 46 other processes 18->39 signatures6 process7 signatures8 41 gdm-session-worker gdm-wayland-session 22->41         started        43 gdm-session-worker gdm-x-session 24->43         started        45 gdm-session-worker gdm-wayland-session 26->45         started        47 xova.x86.elf 28->47         started        54 2 other processes 28->54 153 Sample tries to kill multiple processes (SIGKILL) 30->153 56 8 other processes 37->56 50 language-validate language-options 39->50         started        52 language-validate language-options 39->52         started        58 35 other processes 39->58 process9 signatures10 60 gdm-wayland-session dbus-run-session 41->60         started        62 gdm-x-session Xorg Xorg.wrap Xorg 43->62         started        64 gdm-wayland-session dbus-run-session 45->64         started        155 Sample tries to kill multiple processes (SIGKILL) 47->155 66 language-options sh 50->66         started        68 language-options sh 52->68         started        70 language-options sh 58->70         started        72 language-options sh 58->72         started        74 gdm-wayland-session dbus-run-session 58->74         started        process11 process12 76 dbus-run-session dbus-daemon 60->76         started        79 dbus-run-session gnome-session gnome-session-binary 1 60->79         started        81 Xorg sh 62->81         started        85 2 other processes 64->85 87 2 other processes 66->87 89 2 other processes 68->89 91 2 other processes 70->91 93 2 other processes 72->93 83 dbus-run-session dbus-daemon 74->83         started        signatures13 151 Sample reads /proc/mounts (often used for finding a writable filesystem) 76->151 95 dbus-daemon 76->95         started        97 dbus-daemon 76->97         started        99 dbus-daemon 76->99         started        111 4 other processes 76->111 101 gnome-session-binary sh gnome-shell 79->101         started        103 gnome-session-binary session-migration 79->103         started        105 sh xkbcomp 81->105         started        107 dbus-daemon 85->107         started        109 dbus-daemon 85->109         started        process14 process15 113 dbus-daemon false 95->113         started        115 dbus-daemon false 97->115         started        117 dbus-daemon false 99->117         started        119 dbus-daemon false 107->119         started        121 dbus-daemon false 109->121         started        123 dbus-daemon false 111->123         started        125 dbus-daemon false 111->125         started        127 dbus-daemon false 111->127         started        129 dbus-daemon false 111->129         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-11 05:40:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbjp4x2jbqnwxydx6vkwan2bg5igpcc2x7v7qnvgy3owzix3zboa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260111-glg8laa19g/
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Modifies Watchdog functionality
Contacts a large (20631) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b99cda86-b242-4ccd-affd-43d2dd556dda
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

sh de63fde0c9f83d934f3042ef9da23c9ac447bc949475033b0fc7ac87d9c44e31

Mirai

elf b852fe5f490c1b6be077f555603741375067885abfebf836a6c6dd6ca2fbc85c

(this sample)

Mirai

elf 94fef56eeb8e9fbca0becf8b87fbecda246872afb4c9f69f5772f75630337c4b

  
URLhaus
https://urlhaus.abuse.ch/url/3755746/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 94fef56eeb8e9fbca0becf8b87fbecda246872afb4c9f69f5772f75630337c4b
  
Dropping
MD5 f6a7b5f32ff375ec30381efd8ec04ff8
  
Dropped by
SHA256 de63fde0c9f83d934f3042ef9da23c9ac447bc949475033b0fc7ac87d9c44e31
  
Dropped by
MD5 563e51941b87c4a2c811b88375f8add1
  
URLhaus
https://urlhaus.abuse.ch/url/3755786/
  
URLhaus
https://urlhaus.abuse.ch/url/3755822/

Comments