MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13dd4fa6a557a32c7c47553c50bb84427747ae3d2844ff29b9de98ad3aa80ec0. 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 18 File information Comments

SHA256 hash: 13dd4fa6a557a32c7c47553c50bb84427747ae3d2844ff29b9de98ad3aa80ec0
SHA3-384 hash: 442f79e4e753f1e74f84ad8119bfb5e92fe9f36972d32545b2f563aec8c4ba2fc2fddbff791a92270700a1902bb76b1c
SHA1 hash: 1d8d16d5c3c7a81673a0cf9e554a56a0b9d46fc2
MD5 hash: 9d9b06ad1c145757a00b353a4efc8e26
humanhash: harry-magazine-bluebird-autumn
File name:dwhdbg
Download: download sample
Signature Mirai
File size:172'264 bytes
First seen:2024-12-04 18:47:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:kpg03bw4agXbZ/iF1uZqEXGrqHINBzZUXSrxAq8qC/Cd04qe8PmFVD:kpg03bw4aQbZ/iFnEXGrFUIR7W4ND
TLSH T14AF36C07B5C0C4FDC4CAC0744BAEA637E932F19D1238B25B27D4EA222E4DE315B5DA95
telfhash t1d151eb742d9a39a862ebd719b30ed9c9f43109140ae075e6de33adf4ce97b800d62463
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 :
98
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
phishing gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Creating a file
DNS request
Receives data from a server
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:
44
Number of processes launched:
2
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)
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1568625 Sample: dwhdbg.elf Startdate: 04/12/2024 Architecture: LINUX Score: 100 104 raw.cardiacpure.ru 178.215.238.4, 33966, 52674, 52678 LVLT-10753US Germany 2->104 106 109.202.202.202, 80 INIT7CH Switzerland 2->106 108 6 other IPs or domains 2->108 116 Malicious sample detected (through community Yara rule) 2->116 118 Antivirus / Scanner detection for submitted sample 2->118 120 Multi AV Scanner detection for submitted file 2->120 122 2 other signatures 2->122 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 systemd gdm3 2->15         started        17 63 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        32 3 other processes 11->32 23 gdm3 gdm-session-worker 13->23         started        34 3 other processes 13->34 25 gdm3 gdm-session-worker 15->25         started        36 3 other processes 15->36 102 /var/log/wtmp, data 17->102 dropped 110 Sample deletes itself 17->110 112 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->112 114 Reads system files that contain records of logged in users 17->114 27 dwhdbg.elf 17->27         started        30 systemd dbus-daemon 17->30         started        38 42 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        44 gdm-session-worker gdm-wayland-session 25->44         started        124 Sample tries to kill a massive number of system processes 27->124 126 Sample tries to kill multiple processes (SIGKILL) 27->126 46 dwhdbg.elf sh 27->46         started        48 dwhdbg.elf sh 27->48         started        128 Sample reads /proc/mounts (often used for finding a writable filesystem) 30->128 50 language-validate language-options 38->50         started        52 language-validate language-options 38->52         started        54 language-validate language-options 38->54         started        56 33 other processes 38->56 process9 process10 58 gdm-wayland-session dbus-run-session 40->58         started        60 gdm-wayland-session dbus-daemon 40->60         started        73 2 other processes 42->73 75 2 other processes 44->75 63 sh ps 46->63         started        65 sh ps 48->65         started        67 language-options sh 50->67         started        69 language-options sh 52->69         started        71 language-options sh 54->71         started        signatures11 77 dbus-run-session dbus-daemon 58->77         started        130 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->130 80 dbus-daemon 60->80         started        90 2 other processes 67->90 92 2 other processes 69->92 94 2 other processes 71->94 82 dbus-run-session dbus-daemon 73->82         started        84 dbus-daemon 73->84         started        86 dbus-run-session dbus-daemon 75->86         started        88 dbus-daemon 75->88         started        process12 signatures13 132 Sample reads /proc/mounts (often used for finding a writable filesystem) 77->132 96 dbus-daemon false 80->96         started        98 dbus-daemon false 84->98         started        100 dbus-daemon false 88->100         started        process14
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-04 18:48:07 UTC
File Type:
ELF64 Little (Exe)
AV detection:
18 of 24 (75.00%)
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
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7540662-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_520deeb8 Linux_Trojan_Mirai_449937aa Linux_Trojan_Mirai_01e4a728 Linux_Trojan_Mirai_e0cf29e2 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_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_01e4a728
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_449937aa
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_520deeb8
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_e0cf29e2
Author:Elastic Security
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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 13dd4fa6a557a32c7c47553c50bb84427747ae3d2844ff29b9de98ad3aa80ec0

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments