MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e
SHA3-384 hash: 462c93d6754f4447aa15f4f86f7ad147104a38f8f04fc2440f9c01b354bff3fd5df5c8fe35c616916c1b0406ae57aeae
SHA1 hash: e4c66f8441bcc17406c0f0f275cbe3dcb1a97071
MD5 hash: 2e00f583eb0cac5d3106c661805d8681
humanhash: magnesium-fillet-angel-high
File name:hold.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:101'624 bytes
First seen:2025-01-19 14:16:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:4T0NbtFd367tQ4vtrYIXkCMfCgVFxpxcL7qZiLb+zt3gO47:4T0NbtFdq7tuukNTx4qD1gv7
TLSH T146A3E705BB511FF7DC9BCC370AA91B0128CC695A22B97F36B530D918B64B25F1AE3C64
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 :
89
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30455.LC.BadVar.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135906-0
Create hunting rule

Unix.Dropper.Mirai-7135966-0
Create hunting rule

Unix.Dropper.Mirai-7135979-0
Create hunting rule

Unix.Trojan.Mirai-9935718-0
Create hunting rule

Unix.Trojan.Mirai-9945193-0
Create hunting rule

Unix.Trojan.Mirai-9946826-0
Create hunting rule

Unix.Dropper.Mirai-10008433-0
Create hunting rule

Unix.Trojan.Mirai-10017641-0
Create hunting rule

Unix.Trojan.Mirai-10028946-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678e2c1ae708b6e7a3ad847clinux22vpnfull_triage
Tags:
mirai virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Opens a port
Runs as daemon
Kills critical processes
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
bash lolbin masquerade remote
Link:
https://www.filescan.io/uploads/678d096c7fa1f5239e15c233/reports/d8c46cf8-7875-4b2f-8e99-2c9691932e99/overview
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
Full report:
https://elfdigest.com/brief/5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/68a4f2ae-d4a2-4de8-879f-3474726e9e18
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1594617
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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
Yara detected Okiru
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1594617 Sample: hold.mpsl.elf Startdate: 19/01/2025 Architecture: LINUX Score: 100 54 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 45998, 46000, 46002 BITWEB-ASRU unknown 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 8 hold.mpsl.elf 2->8         started        11 systemd gpu-manager 2->11         started        13 systemd gpu-manager 2->13         started        15 75 other processes 2->15 signatures3 process4 signatures5 68 Sample deletes itself 8->68 17 hold.mpsl.elf 8->17         started        19 gpu-manager sh 11->19         started        21 gpu-manager sh 11->21         started        23 gpu-manager sh 11->23         started        29 2 other processes 11->29 31 4 other processes 13->31 70 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->70 25 gpu-manager sh 15->25         started        27 gpu-manager sh 15->27         started        33 7 other processes 15->33 process6 process7 35 hold.mpsl.elf 17->35         started        38 hold.mpsl.elf 17->38         started        40 sh grep 19->40         started        42 sh grep 21->42         started        44 sh grep 23->44         started        46 sh grep 25->46         started        48 sh grep 27->48         started        50 2 other processes 29->50 52 4 other processes 31->52 signatures8 64 Sample tries to kill a massive number of system processes 35->64 66 Sample tries to kill multiple processes (SIGKILL) 35->66
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 14:17:10 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=li34isncpa5ibq7st3jkhkkynmelgdmisbdxrfhtzaw4ce6il4ha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable defense_evasion discovery
Link:
https://tria.ge/reports/250119-rlpb1s1qgl/
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Writes file to system bin folder
Deletes itself
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7135906-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/9962230c-5cd1-4c23-b9e6-6b75068fa358
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/5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e

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:Linux_Generic_Threat_3bcc1630
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
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 5a37c449a2783a80c3f29ed2a3a9586b08b30d8890477894f3c82dc113c85f0e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405919/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405955/

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