MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51
SHA3-384 hash: 8bb8e09b56ee85bddfb367e79068cba42e70f00fc8863777f09e337ccf7553f32adad2a5b13aef10afb7f0ba542e4790
SHA1 hash: 03da52ec27c6017ac40b1dc04f9eaa8d5ed7d04e
MD5 hash: 919e80a637012c31eae919b6c805c7e0
humanhash: network-carbon-salami-ohio
File name:dvwkja7
Download: download sample
Signature Mirai
Create hunting rule
File size:209'686 bytes
First seen:2024-11-09 02:22:17 UTC
Last seen:2024-11-10 10:06:18 UTC
File type: elf
MIME type:application/x-executable
ssdeep 6144:uly/yo4bZMxXqanSpn+3CkGBLC4CKaIM/RMbIzj:J/yhwXqanSpn+yZAqad/F
TLSH T1B3241A45EA414B13C0D727BAFA9F42453333A764D3E773069928AFB43F8679E4E22505
telfhash t10541ddb2977541296aa1d954d8ed57b2262ac7162341ff32df35c48c281a40ae527c4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
10
# of downloads :
13'030
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.28886.LC.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7135925-0
Create hunting rule

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

Unix.Trojan.Mirai-9760303-0
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

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672ec79d6c614f3030a3b009linux22vpnfull_triage
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the CPU
Runs as daemon
Sends data to a server
Connection attempt
Creating a file
Receives data from a server
DNS request
Collects information on the RAM
Launching a process
Opens a port
Kills processes
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/672ec7865e56a0da881f5e9d/reports/bccfd61c-b731-4549-af04-e2e4a6a5be6f/overview
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98fe700c-b904-4ff4-80dc-1ee993a4dfcc
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1552569
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Reads system files that contain records of logged in users
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552569 Sample: dvwkja7.elf Startdate: 09/11/2024 Architecture: LINUX Score: 80 78 ksdjwi.eye-network.ru. [malformed] 2->78 80 ksdjwi.eye-network.ru 154.216.16.109, 33966, 49666, 49668 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 2->80 82 5 other IPs or domains 2->82 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 Yara detected Mirai 2->90 11 systemd gdm3 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd accounts-daemon 2->15         started        18 12 other processes 2->18 signatures3 92 Sends malformed DNS queries 78->92 process4 file5 21 gdm3 gdm-session-worker 11->21         started        36 3 other processes 11->36 23 gpu-manager sh 13->23         started        25 gpu-manager sh 13->25         started        27 gpu-manager sh 13->27         started        38 5 other processes 13->38 96 Reads system files that contain records of logged in users 15->96 29 accounts-daemon language-validate 15->29         started        76 /var/log/wtmp, data 18->76 dropped 98 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->98 31 dvwkja7.elf 18->31         started        34 generate-config pkill 18->34         started        signatures6 process7 signatures8 40 gdm-session-worker gdm-wayland-session 21->40         started        42 sh grep 23->42         started        44 sh grep 25->44         started        46 sh grep 27->46         started        48 language-validate language-options 29->48         started        100 Sample deletes itself 31->100 50 dvwkja7.elf 31->50         started        52 sh grep 38->52         started        54 sh grep 38->54         started        56 3 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        63 language-options sh 48->63         started        signatures11 65 dbus-run-session dbus-daemon 58->65         started        94 Sample reads /proc/mounts (often used for finding a writable filesystem) 60->94 68 dbus-daemon 60->68         started        70 sh locale 63->70         started        72 sh grep 63->72         started        process12 signatures13 84 Sample reads /proc/mounts (often used for finding a writable filesystem) 65->84 74 dbus-daemon false 68->74         started        process14
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 02:26:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eyvdwx5dazna4uwhf2lfcjcnbkj5csw6xvgu7vtdbrgbawoclniq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access discovery
Link:
https://tria.ge/reports/241109-ct5lmstrhs/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
boats.dogmuncher.xyz
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135925-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/adb9f156-923f-4b8e-9ceb-e8a0b5e63d52
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 262a3b5fa3065a0e52c72e9651244d0a93d14adebd4d4fd6630c4c1059c25b51

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3277306/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3277446/
  
URLhaus
https://urlhaus.abuse.ch/url/3283360/

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