MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a
SHA3-384 hash: 1c600fded813d66eb8c0b9b91a3d5ad82a6e3401d84c011c00bde8afc607376390fdfa1244a8bb55ebfb39bfd7a2432a
SHA1 hash: 0770d21c7616d8e7e78584246ded03559eba1ce1
MD5 hash: 7a27473790125d4b47574c56c08034cb
humanhash: triple-eighteen-moon-winter
File name:wkb86
Download: download sample
Signature Mirai
Create hunting rule
File size:116'588 bytes
First seen:2024-12-28 19:25:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:qQqD7K0a4sqPEd6W+4GITR+c7NIAhL2DsPcQsiM:3qXKz45q6W+BAl+kcQPM
TLSH T142B37CC4F243E4F5E86301706037FB379B32E4795129EE43D7A5AD36ACA2641DA0BA5C
telfhash t13851c3fb657f0ce5a7e4a801924e6f72294eaa7b245032f146f3d9703267e8144b9c39
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 :
117
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28880.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9857931-0
Create hunting rule

Unix.Trojan.Mirai-9866113-0
Create hunting rule

Unix.Trojan.Mirai-9970440-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Unix.Trojan.Mirai-10028515-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677050cb75fb913a1478f632linux22vpnfull_triage
Tags:
shellcode phishing
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
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
Link:
https://www.filescan.io/uploads/677050cc509459c7f80619dd/reports/0d971084-d384-45e7-99d6-0b2828e371c0/overview
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
Full report:
https://elfdigest.com/brief/d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/638ffc78-15ce-4790-ae08-7abaf52495e7
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581720
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1581720 Sample: wkb86.elf Startdate: 28/12/2024 Architecture: LINUX Score: 100 105 raw.cardiacpure.ru. [malformed] 2->105 107 raw.cardiacpure.ru 178.215.238.153, 33966, 53464, 53484 LVLT-10753US Germany 2->107 109 6 other IPs or domains 2->109 115 Malicious sample detected (through community Yara rule) 2->115 117 Antivirus / Scanner detection for submitted sample 2->117 119 Multi AV Scanner detection for submitted file 2->119 123 2 other signatures 2->123 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 wkb86.elf 2->15         started        17 64 other processes 2->17 signatures3 121 Sends malformed DNS queries 105->121 process4 file5 21 gdm3 gdm-session-worker 11->21         started        34 3 other processes 11->34 23 gdm3 gdm-session-worker 13->23         started        36 3 other processes 13->36 25 wkb86.elf 15->25         started        103 /var/log/wtmp, data 17->103 dropped 111 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->111 113 Reads system files that contain records of logged in users 17->113 28 gdm3 gdm-session-worker 17->28         started        30 systemd dbus-daemon 17->30         started        32 accounts-daemon language-validate 17->32         started        38 44 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 gdm-session-worker gdm-wayland-session 23->42         started        125 Sample deletes itself 25->125 44 wkb86.elf 25->44         started        47 gdm-session-worker gdm-wayland-session 28->47         started        127 Sample reads /proc/mounts (often used for finding a writable filesystem) 30->127 49 language-validate language-options 32->49         started        51 language-validate language-options 38->51         started        53 language-validate language-options 38->53         started        55 sh grep 38->55         started        57 32 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        64 gdm-wayland-session dbus-run-session 42->64         started        66 gdm-wayland-session dbus-daemon 42->66         started        129 Sample tries to kill a massive number of system processes 44->129 131 Sample tries to kill multiple processes (SIGKILL) 44->131 74 2 other processes 44->74 76 2 other processes 47->76 68 language-options sh 49->68         started        70 language-options sh 51->70         started        72 language-options sh 53->72         started        process11 signatures12 78 dbus-run-session dbus-daemon 59->78         started        133 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->133 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 2 other processes 76->95 process13 signatures14 135 Sample reads /proc/mounts (often used for finding a writable filesystem) 78->135 97 dbus-daemon false 81->97         started        99 dbus-daemon false 85->99         started        101 dbus-daemon false 95->101         started        process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-28 19:26:03 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s4el7frdcoqbyos2ow3rpgzvsj4xq6qoerzwej2tjmn246t7cfa._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet discovery linux
Link:
https://tria.ge/reports/241228-x5gzya1nhr/
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
Link:
https://app.threat.zone/submission/6d4c3178-cad8-445e-89ae-31723d7af876
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a

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
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_5f7b67b8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
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 d4b845fcb1189d00e1d2d3adb8bcd9ac93cbc3d071239b113a9a58dd73d3f88a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3356694/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3377337/
  
URLhaus
https://urlhaus.abuse.ch/url/3377345/

Comments