MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b
SHA3-384 hash: 17673fce9fba9e542300a24ec58b60c5404e2b45f8c899f03b144f53010dfd405bf0e0fee6761bb1d4c17e083358b860
SHA1 hash: b38c61f8599427f6d5dea0c7c4582345882c5d08
MD5 hash: be037cf80714fc2f756fe260a2de7e04
humanhash: robert-alpha-oranges-don
File name:bin.i586
Download: download sample
Signature Mirai
Create hunting rule
File size:180'556 bytes
First seen:2024-10-22 01:25:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:cURV6mDLt5A+vNMdwTNvvR3q82tGX3uZmOlp+2:WSLtyFk53j2cX+Zmc+2
TLSH T139040841EA43CBB3E51301F102BB87211A71FC3A6C32D952E7BDACF59A619D1A5163BC
telfhash t18d914c76aee51adcb7d09501d14e1322ee1de63b345075be06f22a9433b2f429376c39
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 :
110
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30645.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136105-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-7759336-0
Create hunting rule

Unix.Trojan.Mirai-7772538-0
Create hunting rule

Unix.Exploit.Mirai-9795501-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Mirai-9924065-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-10004218-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-10036478-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Runs as daemon
Connection attempt
Mounts file systems
Creating a file
Receives data from a server
DNS request
Opens a port
Sends data to a server
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gcc lolbin masquerade mirai remote
Link:
https://www.filescan.io/uploads/6716ff2ab21b1aa5a9194ff2/reports/3752437e-69ce-4cd9-9cd6-a7fa008dae55/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
51
Number of processes launched:
10
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b
Behaviour
Anti-VM
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/fbead38c-ed01-4c69-a0ba-19be72cde38b
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1539023
Signature
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
Uses known network protocols on non-standard ports
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1539023 Sample: bin.i586.elf Startdate: 22/10/2024 Architecture: LINUX Score: 96 27 rocks.check-host.co 2->27 29 166.103.61.12, 23, 51584 WINDSTREAMUS Korea Republic of 2->29 31 99 other IPs or domains 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Gafgyt 2->41 43 3 other signatures 2->43 10 bin.i586.elf 2->10         started        signatures3 process4 process5 12 bin.i586.elf 10->12         started        process6 14 bin.i586.elf 12->14         started        process7 16 bin.i586.elf 14->16         started        process8 18 bin.i586.elf 16->18         started        21 bin.i586.elf 16->21         started        23 bin.i586.elf 16->23         started        25 3 other processes 16->25 signatures9 33 Sample deletes itself 18->33 35 Reads system files that contain records of logged in users 18->35
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-10-22 01:26:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcul5c4bcwda2ohbdfvrrifcwx35fc7p4pd7uoieonf3n5i7h5vq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux rootkit
Link:
https://tria.ge/reports/241022-bthw7sydlg/
Behaviour
Loads a kernel module
Contacts a large (27356) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Mirai_aa39fb02
Link:
https://app.threat.zone/submission/bf7ed8e1-b721-4d0c-b9d6-1a812c0c7e84
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_aa39fb02
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
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 38a8be8b8115860d38e1196b18a0a2b5f7d28befe3c7fa3904734bb6f51f3f6b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3239432/
  
Delivery method
Distributed via web download

Comments