MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb
SHA3-384 hash: 995de0c7e29bc0ade35f206501ca9d00a6abd6033da6b1f3d35dc3623da32c2352049f18334b6bfcad4b62587c9bfad0
SHA1 hash: cbc1631e08e187135aff9b35e4448fc1c3eed849
MD5 hash: e5b623bad2e23c445d015d18800ce333
humanhash: oranges-cat-alaska-mike
File name:splsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:91'584 bytes
First seen:2026-01-28 12:07:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Av4mwbS+ES+Il79lDy+agwIKQiKbJRiv/FbupmVPjcCyoCOGX:AvZw+W+Il7ry+5wzNKLoFb7Pjc7BnX
TLSH T171938C11CCB5AEDCF03B2E3150F9C9BA9713A589D81B6CB63D478325001B988F5A6BF4
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 :
1
# of downloads :
96
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6979fc49a57b6af70d1074ec/reports/d32c0695-47df-4291-ac4b-90b1b66b5280/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0f967599-9231-4487-8cb4-b14533d8bb0e
Behavior Graph:
Download SVG
%3 guuid=b429ad42-1c00-0000-aa96-876a720e0000 pid=3698 /usr/bin/sudo guuid=35042246-1c00-0000-aa96-876a7f0e0000 pid=3711 /tmp/sample.bin guuid=b429ad42-1c00-0000-aa96-876a720e0000 pid=3698->guuid=35042246-1c00-0000-aa96-876a7f0e0000 pid=3711 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ea1e6536-5f63-4b4d-9722-ba56daca185e
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1858941
Signature
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1858941 Sample: splsh4.elf Startdate: 28/01/2026 Architecture: LINUX Score: 68 159 Multi AV Scanner detection for submitted file 2->159 14 systemd gdm3 2->14         started        16 splsh4.elf .systemd-networkd 2->16         started        20 systemd gpu-manager 2->20         started        22 30 other processes 2->22 process3 file4 24 gdm3 gdm-session-worker 14->24         started        26 gdm3 gdm-session-worker 14->26         started        37 3 other processes 14->37 145 /dev/shm/.systemd-networkd, Unknown 16->145 dropped 151 Drops invisible ELF files 16->151 153 Sample deletes itself 16->153 28 .systemd-networkd 16->28         started        31 gpu-manager sh 20->31         started        33 gpu-manager sh 20->33         started        39 6 other processes 20->39 155 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->155 157 Reads system files that contain records of logged in users 22->157 35 accounts-daemon language-validate 22->35         started        41 4 other processes 22->41 signatures5 process6 signatures7 43 gdm-session-worker gdm-x-session 24->43         started        45 gdm-session-worker gdm-wayland-session 26->45         started        165 Sample tries to kill multiple processes (SIGKILL) 28->165 47 .systemd-networkd 28->47         started        49 .systemd-networkd 28->49         started        51 sh grep 31->51         started        53 sh grep 33->53         started        55 language-validate language-options 35->55         started        57 sh grep 39->57         started        59 5 other processes 39->59 process8 process9 61 gdm-x-session dbus-run-session 43->61         started        63 gdm-x-session Xorg Xorg.wrap Xorg 43->63         started        65 gdm-x-session Default 43->65         started        67 gdm-wayland-session dbus-run-session 45->67         started        69 .systemd-networkd 47->69         started        71 language-options sh 55->71         started        process10 73 dbus-run-session dbus-daemon 61->73         started        76 dbus-run-session gnome-session gnome-session-binary 1 61->76         started        78 Xorg sh 63->78         started        80 Xorg sh 63->80         started        82 dbus-run-session dbus-daemon 67->82         started        84 dbus-run-session gnome-session gnome-session-binary 1 67->84         started        86 sh locale 71->86         started        88 sh grep 71->88         started        signatures11 161 Sample tries to kill multiple processes (SIGKILL) 73->161 163 Sample reads /proc/mounts (often used for finding a writable filesystem) 73->163 90 dbus-daemon 73->90         started        92 dbus-daemon 73->92         started        101 9 other processes 73->101 94 gnome-session-binary sh gnome-shell 76->94         started        103 16 other processes 76->103 97 sh xkbcomp 78->97         started        99 sh xkbcomp 80->99         started        105 7 other processes 82->105 107 2 other processes 84->107 process12 signatures13 109 dbus-daemon at-spi-bus-launcher 90->109         started        111 dbus-daemon gjs 92->111         started        167 Sample reads /proc/mounts (often used for finding a writable filesystem) 94->167 114 gnome-shell ibus-daemon 94->114         started        122 9 other processes 101->122 116 gsd-print-notifications 103->116         started        124 2 other processes 103->124 118 dbus-daemon false 105->118         started        120 dbus-daemon false 105->120         started        126 5 other processes 105->126 process14 signatures15 128 at-spi-bus-launcher dbus-daemon 109->128         started        169 Sample reads /proc/mounts (often used for finding a writable filesystem) 111->169 131 ibus-daemon 114->131         started        133 ibus-daemon ibus-memconf 114->133         started        135 ibus-daemon ibus-engine-simple 114->135         started        137 gsd-print-notifications gsd-printer 116->137         started        process16 signatures17 147 Sample tries to kill multiple processes (SIGKILL) 128->147 149 Sample reads /proc/mounts (often used for finding a writable filesystem) 128->149 139 dbus-daemon 128->139         started        141 ibus-daemon ibus-x11 131->141         started        process18 process19 143 dbus-daemon at-spi2-registryd 139->143         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-28 12:08:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u3gztgm67wccuttnkoqjrnqvzbyjcofipopsbnr4obhaeh2uflvq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260128-pa62ksfv9g/
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/a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb

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:unixredflags3
Create hunting rule
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 a6cd99999efd842a4e6d53a098b615c8709138a87b9f20b63c704e021f542aeb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739411/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3739239/

Comments