MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62431b7003df3866e8448fc05733952feea1a749b604a23e3cb2912ae27d24c0. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 62431b7003df3866e8448fc05733952feea1a749b604a23e3cb2912ae27d24c0
SHA3-384 hash: b07e4f75febbf5659a1590814c8f4a72a874dfd7beb1af150a5c3fd243bcfe3801a59b1bee1d4a5e16f243fc7b94748d
SHA1 hash: 1391d50fc6b8a13b99131a0dd0743faa66d72ea3
MD5 hash: 8866ba92f7fb86a55108ea3ca0aa5ec8
humanhash: six-eleven-mobile-foxtrot
File name:qkehusl
Download: download sample
Signature Mirai
File size:215'000 bytes
First seen:2024-11-22 01:51:09 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:NzNqv5ZXhmTQvLrGnxNrWr1dY555bWZ30/S8civE:NzNy5ZXQQuNCpdYJbWZIeiv
TLSH T1C024D70AAB510FFBDCABCD3706E90B0629CC655722A47B353674D928F54B54B0AE3C78
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 :
100
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Kills processes
Sends data to a server
Creating a file
Runs as daemon
Opens a port
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:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
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
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 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 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: 1560624 Sample: qkehusl.elf Startdate: 22/11/2024 Architecture: LINUX Score: 96 103 ksdjwi.eye-network.ru 154.216.16.109, 33966, 49668, 50002 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->103 105 109.202.202.202, 80 INIT7CH Switzerland 2->105 107 5 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->117 119 Yara detected Mirai 2->119 11 systemd gdm3 2->11         started        13 qkehusl.elf 2->13         started        15 systemd gdm3 2->15         started        17 66 other processes 2->17 signatures3 process4 file5 21 gdm3 gdm-session-worker 11->21         started        34 3 other processes 11->34 23 qkehusl.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 44 other processes 17->38 signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        121 Sample deletes itself 23->121 42 qkehusl.elf 23->42         started        45 gdm-session-worker gdm-wayland-session 26->45         started        123 Sample reads /proc/mounts (often used for finding a writable filesystem) 28->123 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        125 Sample tries to kill a massive number of system processes 42->125 127 Sample tries to kill multiple processes (SIGKILL) 42->127 64 qkehusl.elf sh 42->64         started        66 qkehusl.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        81 dbus-daemon 61->81         started        83 sh ps 64->83         started        85 sh ps 66->85         started        129 Sample reads /proc/mounts (often used for finding a writable filesystem) 68->129 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 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 87->99         started        process15
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-11-22 01:52:12 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 discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Mirai-9441505-0
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: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: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 62431b7003df3866e8448fc05733952feea1a749b604a23e3cb2912ae27d24c0

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments