MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4877b50dae39c0d329442cf951aa544c99c3735bd2e04a43d639a35e108a8b6c. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 4877b50dae39c0d329442cf951aa544c99c3735bd2e04a43d639a35e108a8b6c
SHA3-384 hash: cf72772609990a585f6124fa942de445bc21dd2a9fbe362c05cfe394b05e477c5c09418b29c4a04a7548742868c3843b
SHA1 hash: 1acafa0d6987ccc696be523bcb3529926a2cb4b7
MD5 hash: ce4d263ef43fd0726638d1920bc618ec
humanhash: alaska-hawaii-floor-kansas
File name:splarm5
Download: download sample
Signature Mirai
File size:96'448 bytes
First seen:2026-01-27 12:06:18 UTC
Last seen:2026-01-28 10:40:34 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:XBDjwEURV7DDKZ8TGI/4yEhmSss0vZmyw2gnn5CeYvBaqLwCIq3X:XNjwBRpK+TCBhPssKZmywDn5C7lLwCLn
TLSH T1CB93289ABCC5C202C6E0A1B2BB1F559D371643B8E3E6B1078D1DAF29634F8970E37651
telfhash t1be61315bff541e9c97d586a541ae200b16fc30de2b152066ae2c9f4f0582ec2703e83b
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

Intelligence


File Origin
# of uploads :
2
# of downloads :
45
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-27T13:19:00Z UTC
Last seen:
2026-01-28T00:08:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=96ecd2e8-1900-0000-b76d-144284090000 pid=2436 /usr/bin/sudo guuid=f909f3ea-1900-0000-b76d-14428b090000 pid=2443 /tmp/sample.bin guuid=96ecd2e8-1900-0000-b76d-144284090000 pid=2436->guuid=f909f3ea-1900-0000-b76d-14428b090000 pid=2443 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
Connects to many IPs within the same subnet mask (likely port scanning)
Drops invisible ELF files
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1858277 Sample: splarm5.elf Startdate: 27/01/2026 Architecture: LINUX Score: 72 148 123.185.37.0 CHINANET-LIAONING-DALIAN-MANCHINANETLiaoningprovinceDali China 2->148 150 123.185.37.174 CHINANET-LIAONING-DALIAN-MANCHINANETLiaoningprovinceDali China 2->150 152 100 other IPs or domains 2->152 162 Multi AV Scanner detection for submitted file 2->162 164 Connects to many IPs within the same subnet mask (likely port scanning) 2->164 15 systemd gdm3 2->15         started        17 splarm5.elf .systemd-journald 2->17         started        21 systemd gpu-manager 2->21         started        23 31 other processes 2->23 signatures3 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        38 3 other processes 15->38 144 /dev/shm/.systemd-journald, ELF 17->144 dropped 154 Drops invisible ELF files 17->154 156 Sample deletes itself 17->156 29 .systemd-journald 17->29         started        32 gpu-manager sh 21->32         started        34 gpu-manager sh 21->34         started        40 6 other processes 21->40 146 /var/log/wtmp, data 23->146 dropped 158 Sample reads /proc/mounts (often used for finding a writable filesystem) 23->158 160 Reads system files that contain records of logged in users 23->160 36 accounts-daemon language-validate 23->36         started        42 3 other processes 23->42 signatures6 process7 signatures8 44 gdm-session-worker gdm-x-session 25->44         started        46 gdm-session-worker gdm-wayland-session 27->46         started        170 Sample tries to kill multiple processes (SIGKILL) 29->170 58 2 other processes 29->58 48 sh grep 32->48         started        50 sh grep 34->50         started        52 language-validate language-options 36->52         started        54 sh grep 40->54         started        56 sh grep 40->56         started        60 4 other processes 40->60 process9 process10 62 gdm-x-session dbus-run-session 44->62         started        64 gdm-x-session Xorg Xorg.wrap Xorg 44->64         started        66 gdm-x-session Default 44->66         started        68 gdm-wayland-session dbus-run-session 46->68         started        70 language-options sh 52->70         started        process11 72 dbus-run-session dbus-daemon 62->72         started        75 dbus-run-session gnome-session gnome-session-binary 62->75         started        77 Xorg sh 64->77         started        79 Xorg sh 64->79         started        81 dbus-run-session dbus-daemon 68->81         started        83 dbus-run-session gnome-session gnome-session-binary 1 68->83         started        85 sh locale 70->85         started        87 sh grep 70->87         started        signatures12 166 Sample tries to kill multiple processes (SIGKILL) 72->166 168 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->168 89 dbus-daemon 72->89         started        91 dbus-daemon 72->91         started        100 9 other processes 72->100 93 gnome-session-binary sh gnome-shell 75->93         started        102 17 other processes 75->102 96 sh xkbcomp 77->96         started        98 sh xkbcomp 79->98         started        104 7 other processes 81->104 106 2 other processes 83->106 process13 signatures14 108 dbus-daemon at-spi-bus-launcher 89->108         started        110 dbus-daemon gjs 91->110         started        172 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->172 113 gnome-shell ibus-daemon 93->113         started        121 9 other processes 100->121 115 gsd-print-notifications 102->115         started        123 2 other processes 102->123 117 dbus-daemon false 104->117         started        119 dbus-daemon false 104->119         started        125 5 other processes 104->125 process15 signatures16 127 at-spi-bus-launcher dbus-daemon 108->127         started        174 Sample reads /proc/mounts (often used for finding a writable filesystem) 110->174 130 ibus-daemon 113->130         started        132 ibus-daemon ibus-memconf 113->132         started        134 ibus-daemon ibus-engine-simple 113->134         started        136 gsd-print-notifications gsd-printer 115->136         started        process17 signatures18 176 Sample tries to kill multiple processes (SIGKILL) 127->176 178 Sample reads /proc/mounts (often used for finding a writable filesystem) 127->178 138 dbus-daemon 127->138         started        140 ibus-daemon ibus-x11 130->140         started        process19 process20 142 dbus-daemon at-spi2-registryd 138->142         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-27 12:06:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf 4877b50dae39c0d329442cf951aa544c99c3735bd2e04a43d639a35e108a8b6c

(this sample)

  
Delivery method
Distributed via web download

Comments