MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a6b5b8cf0b0dbe6ef655bb08dca1681e19dc32333fa2825bfabd107f7d371c1. 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 12 File information Comments

SHA256 hash: 1a6b5b8cf0b0dbe6ef655bb08dca1681e19dc32333fa2825bfabd107f7d371c1
SHA3-384 hash: 0777d88b4a19ea0a039d4cac84e5fe3ed58270e500372defa8f4bd6c0845b13a98cf09d83857bcb7b6af0784ca386e4c
SHA1 hash: 5346548d02d5c6bbc57c2b2d0b2a1ff04b61ac8d
MD5 hash: a8972afb7fd5e32e6b8ede6f93062515
humanhash: tennessee-pluto-hamper-green
File name:wnbw86
Download: download sample
Signature Mirai
File size:116'588 bytes
First seen:2024-11-22 01:56:09 UTC
Last seen:2024-11-22 23:50:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:4z/Rj7W5aIQHpAc024TRecrdYAhr2DsfcgsYX:Q/RXW0IYicVAl+0cgJX
TLSH T16BB36BC4F243E5F1E8A301716137FB379B32E0791129EA43DBA59D32ECA2A11DA1675C
telfhash t13f5107fa667e0ce497e4a850d34d6f32794dea7b256032b142f398313263e8154bdc39
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 :
96
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
phishing gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Sends data to a server
Connection attempt
Creating a file
Receives data from a server
DNS request
Opens a port
Kills processes
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bash lolbin remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
43
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for 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: 1560626 Sample: wnbw86.elf Startdate: 22/11/2024 Architecture: LINUX Score: 100 103 ksdjwi.eye-network.ru. [malformed] 2->103 105 ksdjwi.eye-network.ru 154.216.16.109, 33966, 49664, 49674 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->105 107 6 other IPs or domains 2->107 113 Malicious sample detected (through community Yara rule) 2->113 115 Antivirus / Scanner detection for submitted sample 2->115 117 Multi AV Scanner detection for submitted file 2->117 121 2 other signatures 2->121 11 systemd gdm3 2->11         started        13 wnbw86.elf 2->13         started        15 systemd gdm3 2->15         started        17 66 other processes 2->17 signatures3 119 Sends malformed DNS queries 103->119 process4 file5 21 gdm3 gdm-session-worker 11->21         started        34 3 other processes 11->34 23 wnbw86.elf 13->23         started        26 gdm3 gdm-session-worker 15->26         started        36 3 other processes 15->36 101 /var/log/wtmp, data 17->101 dropped 109 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->109 111 Reads system files that contain records of logged in users 17->111 28 systemd dbus-daemon 17->28         started        30 accounts-daemon language-validate 17->30         started        32 accounts-daemon language-validate 17->32         started        38 41 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        123 Sample deletes itself 23->123 42 wnbw86.elf 23->42         started        45 gdm-session-worker gdm-wayland-session 26->45         started        125 Sample reads /proc/mounts (often used for finding a writable filesystem) 28->125 47 language-validate language-options 30->47         started        49 language-validate language-options 32->49         started        51 language-validate language-options 38->51         started        53 sh grep 38->53         started        55 sh grep 38->55         started        57 31 other processes 38->57 process9 signatures10 59 gdm-wayland-session dbus-run-session 40->59         started        61 gdm-wayland-session dbus-daemon 40->61         started        127 Sample tries to kill a massive number of system processes 42->127 129 Sample tries to kill multiple processes (SIGKILL) 42->129 64 wnbw86.elf sh 42->64         started        66 wnbw86.elf sh 42->66         started        68 gdm-wayland-session dbus-daemon 45->68         started        70 gdm-wayland-session dbus-run-session 45->70         started        72 language-options sh 47->72         started        74 language-options sh 49->74         started        76 language-options sh 51->76         started        process11 signatures12 78 dbus-run-session dbus-daemon 59->78         started        131 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->131 81 dbus-daemon 61->81         started        83 sh ps 64->83         started        85 sh ps 66->85         started        87 dbus-daemon 68->87         started        89 dbus-run-session dbus-daemon 70->89         started        91 2 other processes 72->91 93 2 other processes 74->93 95 2 other processes 76->95 process13 signatures14 133 Sample reads /proc/mounts (often used for finding a writable filesystem) 78->133 97 dbus-daemon false 81->97         started        99 dbus-daemon false 87->99         started        process15
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-22 01:57:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux
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:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-9441505-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_b14f4c5d Linux_Trojan_Mirai_5f7b67b8 Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_ae9d0fa6 Linux_Trojan_Mirai_389ee3e9 Linux_Trojan_Mirai_cc93863b Linux_Trojan_Mirai_8aa7b5d3 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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
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:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
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 1a6b5b8cf0b0dbe6ef655bb08dca1681e19dc32333fa2825bfabd107f7d371c1

(this sample)

  
Delivery method
Distributed via web download

Comments