MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596
SHA3-384 hash: a60d6fed1ec1488ce6149f43aa068df7e221e4211396ee5dcae0abc622d7c2d061a059b3f4ae313f4c340be916aa26c6
SHA1 hash: 11f0a658df63e0ecf0cee8b6e605f677faf57b31
MD5 hash: fd8e34f6ed52d0f953ceca3025991e82
humanhash: mississippi-helium-tennis-quebec
File name:oc0ldr.mpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:110'044 bytes
First seen:2025-04-20 13:29:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:USoNUZwC0p1l8Uc11v/AoIYf+u4NFMy1OuuQZRK/FcN:ENUZwC0p1UPv/c7OuuQ/
TLSH T1BBB394097F650FF3E89BDC3B0AE92B05288D650A21A97F35B930D958F64B25F15E3870
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 upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 5d2178b47517e80e43a3b9003193f0012a373e28384acec15eb1de14b55bd54f
File size (compressed) :33'680 bytes
File size (de-compressed) :110'044 bytes
Format:linux/mipsel
Packed file: 5d2178b47517e80e43a3b9003193f0012a373e28384acec15eb1de14b55bd54f

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-63.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

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

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6804f6e6280f5f89a0d26141linux22vpnfull_triage
Tags:
mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Receives data from a server
Sends data to a server
Runs as daemon
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/51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/91deb50b-57f1-44d2-925d-57547f3cda73
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1669755
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669755 Sample: oc0ldr.mpsl.elf Startdate: 20/04/2025 Architecture: LINUX Score: 84 24 176.65.148.254, 3778, 57474 PALTEL-ASPALTELAutonomousSystemPS Germany 2->24 26 daisy.ubuntu.com 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Mirai 2->34 7 oc0ldr.mpsl.elf 2->7         started        9 xfce4-panel wrapper-2.0 2->9         started        11 xfce4-panel wrapper-2.0 2->11         started        13 6 other processes 2->13 signatures3 process4 process5 15 oc0ldr.mpsl.elf 7->15         started        18 oc0ldr.mpsl.elf 7->18         started        20 oc0ldr.mpsl.elf 7->20         started        22 wrapper-2.0 xfpm-power-backlight-helper 9->22         started        signatures6 36 Sample tries to kill multiple processes (SIGKILL) 15->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-04-20 13:30:16 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=khzsb6fbeyvvxoil25s6va7i3vrojulplkin54cmmlzh52wouwla._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:lzrd defense_evasion discovery
Link:
https://tria.ge/reports/250420-qrxpxawxcs/
Behaviour
Reads runtime system information
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan gafgyt botnet mirai Unix.Dropper.Mirai-7136013-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024 MAL_ELF_LNX_Mirai_Oct10_2 Mirai_Botnet_Malware
Link:
https://app.threat.zone/submission/481af040-8e3c-477a-85ae-9316115ca0e9
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/51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
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:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Create hunting rule
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:Mirai_Botnet_Malware
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Create hunting rule
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 5d2178b47517e80e43a3b9003193f0012a373e28384acec15eb1de14b55bd54f

Mirai

elf 51f320f8a1262b5bb90bd765ea83e8dd62e4d16f5a90def04c62f27eeacea596

(this sample)

  
Dropped by
SHA256 5d2178b47517e80e43a3b9003193f0012a373e28384acec15eb1de14b55bd54f
  
URLhaus
https://urlhaus.abuse.ch/url/3519707/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 4ddcc8e07718b5de0802e61c204f03d5

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