MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acd0af25a50661dcf117444b30c3b02618d70f5b4fae6befadb6a2abdacd6be1. 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 8 File information Comments 1

SHA256 hash: acd0af25a50661dcf117444b30c3b02618d70f5b4fae6befadb6a2abdacd6be1
SHA3-384 hash: 756985da5895628292fccccaa713c9270179d3ada1d67e0a121e4f695c824d834e8009ca710f71b8601197843859dea2
SHA1 hash: 7218853e71665c72f0ed3093c5ee0ef6edb1b235
MD5 hash: bcaf537f77fc623a71a92fd297faf066
humanhash: uranus-mirror-zebra-mobile
File name:bcaf537f77fc623a71a92fd297faf066
Download: download sample
Signature Mirai
File size:78'552 bytes
First seen:2024-06-08 10:41:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:B3nMnwI+neg8vAB27jnEvy94juiciWnt4/16hUj9xpGp1FdlzOTxLXYbgaNoOTX/:ikvUjEvy94juiciWnt4/16hUZupLHzcx
TLSH T126732A85B841AF25C6C016BBFE1F118E33025FA8E1EA7207DD14AB6076DBD4E0E27A45
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
Kills processes
Kills critical processes
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug botnet mirai mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
23
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
type:Mirai 37.44.238.75:81
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
92 / 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 reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454013 Sample: ycWb26lVAe.elf Startdate: 08/06/2024 Architecture: LINUX Score: 92 107 24.214.13.44 WOW-INTERNETUS United States 2->107 109 216.75.228.248 WILINEUS United States 2->109 111 99 other IPs or domains 2->111 119 Malicious sample detected (through community Yara rule) 2->119 121 Antivirus / Scanner detection for submitted sample 2->121 123 Multi AV Scanner detection for submitted file 2->123 125 Yara detected Mirai 2->125 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 systemd gdm3 2->15         started        17 79 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        31 3 other processes 11->31 23 gdm3 gdm-session-worker 13->23         started        33 3 other processes 13->33 25 gdm3 gdm-session-worker 15->25         started        35 3 other processes 15->35 105 /var/log/wtmp, data 17->105 dropped 115 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->115 117 Reads system files that contain records of logged in users 17->117 27 gdm3 gdm-session-worker 17->27         started        29 ycWb26lVAe.elf 17->29         started        37 50 other processes 17->37 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 gdm-session-worker gdm-wayland-session 23->42         started        44 gdm-session-worker gdm-wayland-session 25->44         started        46 gdm-session-worker gdm-wayland-session 27->46         started        48 ycWb26lVAe.elf 29->48         started        55 2 other processes 29->55 127 Sample tries to kill multiple processes (SIGKILL) 37->127 51 language-validate language-options 37->51         started        53 language-validate language-options 37->53         started        57 37 other processes 37->57 process9 signatures10 59 gdm-wayland-session dbus-run-session 40->59         started        61 gdm-wayland-session dbus-daemon 40->61         started        64 gdm-wayland-session dbus-run-session 42->64         started        66 gdm-wayland-session dbus-daemon 42->66         started        72 2 other processes 44->72 74 2 other processes 46->74 113 Sample tries to kill multiple processes (SIGKILL) 48->113 68 language-options sh 51->68         started        70 language-options sh 53->70         started        76 2 other processes 57->76 process11 signatures12 78 dbus-run-session dbus-daemon 59->78         started        129 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->129 81 dbus-daemon 61->81         started        83 dbus-run-session dbus-daemon 64->83         started        85 dbus-daemon 66->85         started        87 2 other processes 68->87 89 2 other processes 70->89 91 2 other processes 72->91 93 2 other processes 74->93 95 4 other processes 76->95 process13 signatures14 131 Sample reads /proc/mounts (often used for finding a writable filesystem) 78->131 97 dbus-daemon false 81->97         started        99 dbus-daemon false 85->99         started        101 dbus-daemon false 91->101         started        103 dbus-daemon false 93->103         started        process15
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-08 10:42:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai discovery
Behaviour
Contacts a large (20510) amount of remote hosts
Creates a large amount of network flows
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_Mirai_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla
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 acd0af25a50661dcf117444b30c3b02618d70f5b4fae6befadb6a2abdacd6be1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-06-08 10:41:33 UTC

url : hxxp://37.44.238.75/bins/sora.arm6