MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce
SHA3-384 hash: 5250704771378a3f2266d8e7b8eee5ac38d8cbca5f7b7f0a52e23728d3d2c8f0ee4322010eb97cbba7bb5d59a67fa8ab
SHA1 hash: 4775a5d3f3ef2b55211896d3a4dbebd78574b0e7
MD5 hash: 820dac361dea90d7449d2a86e75ab92b
humanhash: xray-lake-six-kitten
File name:wrjkngh4
Download: download sample
Signature Mirai
Create hunting rule
File size:142'144 bytes
First seen:2024-12-19 18:41:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:73yWOGE9XwxDGdZc00JYNMv8EpXvWWNaPa3Ks:73yXpAcZc00e/y+WMa3Ks
TLSH T13CD36B73D83AAF98C655D1B0B030CF782F53969186472FBA69E6C2B44443D8CF615BB8
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 :
197
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-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
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=676468fe75bf3268d2fd173blinux22vpnfull_triage
Tags:
malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug lolbin remote
Link:
https://www.filescan.io/uploads/676468fe7dd766c496ce0669/reports/4293c9d4-fcfb-4d88-a6fa-0050313d5c15/overview
Result
Verdict:
UNKNOWN
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/efb98c67-2cee-4f4e-a0dc-2c5e17399d98
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1578480
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)
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1578480 Sample: wrjkngh4.elf Startdate: 19/12/2024 Architecture: LINUX Score: 100 103 raw.cardiacpure.ru. [malformed] 2->103 105 raw.cardiacpure.ru 178.215.238.25, 33966, 38184, 38218 LVLT-10753US Germany 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->117 119 Yara detected Mirai 2->119 11 systemd gdm3 2->11         started        13 systemd gdm3 2->13         started        15 dash rm wrjkngh4.elf 2->15         started        17 60 other processes 2->17 signatures3 121 Sends malformed DNS queries 103->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 wrjkngh4.elf 15->25         started        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 accounts-daemon language-validate 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        42 gdm-session-worker gdm-wayland-session 23->42         started        123 Sample deletes itself 25->123 44 wrjkngh4.elf 25->44         started        47 language-validate language-options 28->47         started        49 language-validate language-options 30->49         started        51 language-validate language-options 32->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        64 gdm-wayland-session dbus-run-session 42->64         started        66 gdm-wayland-session dbus-daemon 42->66         started        125 Sample tries to kill a massive number of system processes 44->125 127 Sample tries to kill multiple processes (SIGKILL) 44->127 68 wrjkngh4.elf sh 44->68         started        70 wrjkngh4.elf sh 44->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        129 Sample reads /proc/mounts (often used for finding a writable filesystem) 61->129 81 dbus-daemon 61->81         started        83 dbus-run-session dbus-daemon 64->83         started        85 dbus-daemon 66->85         started        87 sh ps 68->87         started        89 sh ps 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 85->99         started        process15
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-12-19 18:42:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=euonrftk5rxwk5w642kioydefqw74tzd6vynaix7nbdk6np7bhha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/241219-xcbmfsxlhx/
Malware Config
C2 Extraction:
89.190.156.1
89.190.156.145
Verdict:
Unknown
Tags:
trojan gafgyt
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/814d0a07-6d40-4c13-bc6e-514ac9689c50
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/251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce

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: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 251cd8966aec6f6576dee6948760642c2dfe4f23f570d022ff6846af35ff09ce

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3356689/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3366076/

Comments