MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8f8048861b5ea3320c47f44dbbc95037148ed46cba648ce6fdb3fd6f0dd0c4d. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments

SHA256 hash: d8f8048861b5ea3320c47f44dbbc95037148ed46cba648ce6fdb3fd6f0dd0c4d
SHA3-384 hash: dc57e9a933b52ce6f15ba9af8f76c85beec97441f80e6d24f8db34c40bd281387d9ad5df7102466f92cb2debed76650d
SHA1 hash: 895498d902fec75311ab49b7743be541fb7c8bf4
MD5 hash: 4528c59bd04bd8ec4cf3440685a609b9
humanhash: october-cup-lima-delaware
File name:fnkea7
Download: download sample
Signature Mirai
File size:214'119 bytes
First seen:2024-12-19 21:21:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:GpBoH8NdRhPRJA8U3agD5tOHSAurbVEnCvCaM/RdhY:Ooc7RDJJU3aI5tOHlS5E0Cj//O
TLSH T16A242946EA414F13C0D727BAF6DF42453333A76893EB73069924AFB43B8679E4E22505
telfhash t1b5412cb2a72545295a90d868d8ed57b2262ec7172341ff33ef35c48c681a44ee62bc0f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Collects information on the RAM
DNS request
Runs as daemon
Launching a process
Sends data to a server
Opens a port
Creating a file
Receives data from a server
Collects information on the CPU
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash gcc lolbin mirai remote
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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 deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578565 Sample: fnkea7.elf Startdate: 19/12/2024 Architecture: LINUX Score: 100 153 raw.cardiacpure.ru. [malformed] 2->153 155 raw.cardiacpure.ru 178.215.238.25, 33966, 56548, 56562 LVLT-10753US Germany 2->155 157 89.190.156.145, 57248, 57250, 57252 HOSTUS-GLOBAL-ASHostUSHK United Kingdom 2->157 161 Malicious sample detected (through community Yara rule) 2->161 163 Antivirus / Scanner detection for submitted sample 2->163 165 Multi AV Scanner detection for submitted file 2->165 167 Yara detected Mirai 2->167 15 systemd gdm3 2->15         started        17 systemd gdm3 2->17         started        19 fnkea7.elf 2->19         started        21 42 other processes 2->21 signatures3 169 Sends malformed DNS queries 153->169 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        38 3 other processes 15->38 29 gdm3 gdm-session-worker 17->29         started        31 gdm3 gdm-session-worker 17->31         started        40 3 other processes 17->40 33 fnkea7.elf 19->33         started        151 /var/log/wtmp, data 21->151 dropped 179 Sample reads /proc/mounts (often used for finding a writable filesystem) 21->179 181 Reads system files that contain records of logged in users 21->181 36 accounts-daemon language-validate 21->36         started        42 21 other processes 21->42 signatures6 process7 signatures8 44 gdm-session-worker gdm-x-session 25->44         started        46 gdm-session-worker gdm-wayland-session 27->46         started        48 gdm-session-worker gdm-wayland-session 29->48         started        50 gdm-session-worker gdm-x-session 31->50         started        159 Sample deletes itself 33->159 52 fnkea7.elf 33->52         started        55 language-validate language-options 36->55         started        57 language-validate language-options 42->57         started        59 sh grep 42->59         started        61 15 other processes 42->61 process9 signatures10 63 gdm-x-session dbus-run-session 44->63         started        75 2 other processes 44->75 65 gdm-wayland-session dbus-run-session 46->65         started        67 gdm-wayland-session dbus-run-session 48->67         started        69 gdm-x-session dbus-run-session 50->69         started        77 2 other processes 50->77 175 Sample tries to kill a massive number of system processes 52->175 177 Sample tries to kill multiple processes (SIGKILL) 52->177 79 2 other processes 52->79 71 language-options sh 55->71         started        73 language-options sh 57->73         started        process11 process12 83 2 other processes 63->83 86 2 other processes 65->86 88 2 other processes 67->88 90 2 other processes 69->90 92 2 other processes 71->92 94 2 other processes 73->94 96 2 other processes 75->96 81 Xorg sh 77->81         started        98 2 other processes 79->98 signatures13 100 sh xkbcomp 81->100         started        171 Sample tries to kill multiple processes (SIGKILL) 83->171 102 dbus-daemon 83->102         started        104 dbus-daemon 83->104         started        106 gnome-session-binary sh gnome-shell 83->106         started        111 24 other processes 83->111 113 9 other processes 86->113 115 9 other processes 88->115 173 Sample reads /proc/mounts (often used for finding a writable filesystem) 90->173 109 gnome-session-binary gnome-session-check-accelerated 90->109         started        117 2 other processes 96->117 process14 signatures15 119 dbus-daemon at-spi-bus-launcher 102->119         started        121 dbus-daemon gjs 104->121         started        185 Sample reads /proc/mounts (often used for finding a writable filesystem) 106->185 124 gnome-shell ibus-daemon 106->124         started        132 10 other processes 111->132 126 dbus-daemon false 113->126         started        128 dbus-daemon false 113->128         started        130 dbus-daemon false 113->130         started        134 4 other processes 113->134 136 7 other processes 115->136 process16 signatures17 138 at-spi-bus-launcher dbus-daemon 119->138         started        183 Sample reads /proc/mounts (often used for finding a writable filesystem) 121->183 141 ibus-daemon 124->141         started        143 ibus-daemon ibus-memconf 124->143         started        process18 signatures19 187 Sample tries to kill multiple processes (SIGKILL) 138->187 189 Sample reads /proc/mounts (often used for finding a writable filesystem) 138->189 145 dbus-daemon 138->145         started        147 ibus-daemon ibus-x11 141->147         started        process20 process21 149 dbus-daemon at-spi2-registryd 145->149         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-19 21:22:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
89.190.156.145
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 d8f8048861b5ea3320c47f44dbbc95037148ed46cba648ce6fdb3fd6f0dd0c4d

(this sample)

  
Delivery method
Distributed via web download

Comments