MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39cb5f2f73d0459f4bc536cd4f63d9f376fff441bf7bd1d5c91969e9a1ab4e87. 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: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	39cb5f2f73d0459f4bc536cd4f63d9f376fff441bf7bd1d5c91969e9a1ab4e87
SHA3-384 hash:	2d94394c6a4adf19c81d0ebf860edeae9eef965aea302ff7d83a300e0c2357fff2497c63b45ad10bc71cecf2bb19bbbf
SHA1 hash:	17df4c23a154497bd3d96ce63760e4bf5b48f3fc
MD5 hash:	7836b8b6260dbc9b81045f7be841b1fd
humanhash:	xray-kitten-yankee-moon
File name:	t
Download:	download sample
Signature	Mirai Create hunting rule
File size:	855 bytes
First seen:	2025-01-10 07:41:27 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	24:sXCZG+1ZuZI4WuSq0Aq1SqUI3qq1Il8q8FIsqTN8AIK:20b54NSqpqUqU9q1Lq8FxqTXx
TLSH	T1BE115CDF45562E20C051C46EB2575694F410C6CF12891F40FFAE6A3EEF8CA147434B58
Magika	shell
Reporter	abuse_ch
Tags:	sh

Shell script dropper

This file seems to be a shell script dropper, using wget, ftpget and/or curl. More information about the corresponding payload URLs are shown below.

URL	Malware sample (SHA256 hash)	Signature	Tags
http://103.136.41.100/12	bac0343b8cf8a210de3ebf552587890aabfc5cecc3906c6048ecc087b17f4570	Mirai	elf mirai ua-wget
http://103.136.41.100/2	5e5b205976b03a708da3dd55172bbd71ea8aae872016075f53b452329c484e3e	Mirai	mirai ua-wget
http://103.136.41.100/3	dde922a53c0fd584c17a298afd97676438d7755c364d5e909faef5b325986e35	Mirai	mirai ua-wget
http://103.136.41.100/4	5b351fbbc59d7b63707fb38f5e3f2e987a1dd6dfbed9452e80a500371b5e4c63	Mirai	mirai ua-wget
http://103.136.41.100/5	e573c446480edbfb49b799a99f817028cf3db6c7127208568af46bdb5cbbb1c2	Mirai	mirai ua-wget
http://103.136.41.100/6	6f0bd044c41dfbc1734df26b0df2bc09136b03ed9887d1650ab0befeacd6f197	Mirai	elf mirai ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Linux.Downloader-35.UNOFFICIAL

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6780d0bcc029bd73f288d5c6linux22vpnfull_triage

Tags:

mirai virus

Result

Verdict:

MALICIOUS

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/39cb5f2f73d0459f4bc536cd4f63d9f376fff441bf7bd1d5c91969e9a1ab4e87

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/39cb5f2f73d0459f4bc536cd4f63d9f376fff441bf7bd1d5c91969e9a1ab4e87/

Threat name:

Linux.Trojan.Vigorf

Status:

Malicious

First seen:

2025-01-10 07:44:03 UTC

File Type:

Text (Shell)

AV detection:

12 of 23 (52.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=hhfv6l3t2bcz6s6fg3gu6y6z6n3p75cbx555dvojdfu6tinlj2dq._file

Result

Malware family:

n/a

Score:

9/10

Tags:

defense_evasion discovery execution linux persistence privilege_escalatio privilege_escalation

Link:

https://tria.ge/reports/250110-jktaksxlfw/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

System Network Configuration Discovery

Writes file to tmp directory

Changes its process name

Creates/modifies Cron job

Enumerates running processes

Modifies init.d

Modifies rc script

Modifies systemd

File and Directory Permissions Modification

Executes dropped EXE

Contacts a large (75138) amount of remote hosts

Creates a large amount of network flows

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/39cb5f2f73d0459f4bc536cd4f63d9f376fff441bf7bd1d5c91969e9a1ab4e87

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.