MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e64cc3e81967c1b53542f1565097c315fb288621762aaf4b754f4a5ddd03678. 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 9 File information Comments

SHA256 hash: 4e64cc3e81967c1b53542f1565097c315fb288621762aaf4b754f4a5ddd03678
SHA3-384 hash: d74da7cdf12e03029814da6adeaffcc9a3ef505433d9bd68668e5e273f50638fc2eaba25be2e4274d1b772d3037df23e
SHA1 hash: b202e6a9c862234b2287b6df1664ca4769098630
MD5 hash: 3c0bbcdb22865b5c0b86e9eb97015767
humanhash: oscar-burger-connecticut-washington
File name:pecga.arm7
Download: download sample
Signature Mirai
File size:156'946 bytes
First seen:2025-01-17 01:46:10 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xk12vV4vjOcwB7amn9l3L4BpLrAuS2CrrWWS4PRM/99nZ:xlvVWVO7amn9l3L8puPrWWnpM/99Z
TLSH T181E33C46FA814A13C4D61776B6DF42493323A7A4A3DB730699187FF43F8279E0E63A05
telfhash t11d21fe369b62121a19a2cd64ddee47b1252c97271384ef33df25c4cc640a09ee62bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
122
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Receives data from a server
Kills processes
Sends data to a server
Opens a port
Runs as daemon
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin masquerade mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
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)
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1593351 Sample: pecga.arm7.elf Startdate: 17/01/2025 Architecture: LINUX Score: 100 146 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->146 148 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 58550, 58552, 59708 BITWEB-ASRU unknown 2->148 156 Malicious sample detected (through community Yara rule) 2->156 158 Antivirus / Scanner detection for submitted sample 2->158 160 Multi AV Scanner detection for submitted file 2->160 162 4 other signatures 2->162 15 systemd gdm3 2->15         started        17 pecga.arm7.elf 2->17         started        20 systemd gpu-manager 2->20         started        22 28 other processes 2->22 signatures3 process4 file5 25 gdm3 gdm-session-worker 15->25         started        27 gdm3 gdm-session-worker 15->27         started        37 3 other processes 15->37 150 Sample deletes itself 17->150 29 pecga.arm7.elf 17->29         started        31 gpu-manager sh 20->31         started        33 gpu-manager sh 20->33         started        39 6 other processes 20->39 144 /var/log/wtmp, data 22->144 dropped 152 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->152 154 Reads system files that contain records of logged in users 22->154 35 accounts-daemon language-validate 22->35         started        41 4 other processes 22->41 signatures6 process7 process8 43 gdm-session-worker gdm-x-session 25->43         started        45 gdm-session-worker gdm-wayland-session 27->45         started        47 pecga.arm7.elf 29->47         started        50 pecga.arm7.elf 29->50         started        52 sh grep 31->52         started        54 sh grep 33->54         started        56 language-validate language-options 35->56         started        58 sh grep 39->58         started        60 5 other processes 39->60 signatures9 62 gdm-x-session dbus-run-session 43->62         started        64 gdm-x-session Xorg Xorg.wrap Xorg 43->64         started        66 gdm-x-session Default 43->66         started        68 gdm-wayland-session dbus-run-session 45->68         started        172 Sample tries to kill a massive number of system processes 47->172 174 Sample tries to kill multiple processes (SIGKILL) 47->174 70 language-options sh 56->70         started        process10 process11 72 dbus-run-session dbus-daemon 62->72         started        75 dbus-run-session gnome-session gnome-session-binary 1 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 164 Sample tries to kill multiple processes (SIGKILL) 72->164 166 Sample reads /proc/mounts (often used for finding a writable filesystem) 72->166 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 18 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        168 Sample reads /proc/mounts (often used for finding a writable filesystem) 93->168 113 gnome-shell ibus-daemon 93->113         started        123 9 other processes 100->123 115 gsd-print-notifications 102->115         started        117 gnome-session-check-accelerated gnome-session-check-accelerated-gl-helper 102->117         started        119 gnome-session-check-accelerated gnome-session-check-accelerated-gles-helper 102->119         started        121 dbus-daemon false 104->121         started        125 6 other processes 104->125 process15 signatures16 127 at-spi-bus-launcher dbus-daemon 108->127         started        170 Sample reads /proc/mounts (often used for finding a writable filesystem) 110->170 130 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:
2025-01-17 01:47:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135906-0
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:Linux_Generic_Threat_3bcc1630
Author:Elastic Security
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 4e64cc3e81967c1b53542f1565097c315fb288621762aaf4b754f4a5ddd03678

(this sample)

  
Delivery method
Distributed via web download

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