MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843. 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: 55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843
SHA3-384 hash: 8baa0f13cfe279e0972a5f3e947707e4dc07d8474d6b568e0f61c89627796855ccc5b8114c7ee331e72f9174c58f5f5b
SHA1 hash: cdc2c915b0e400fa07f91fa9c3d5cc186096f3f1
MD5 hash: 333319724b817510494e5dc8c7c7b24f
humanhash: gee-ohio-early-steak
File name:hold.mips
Download: download sample
Signature Mirai
Create hunting rule
File size:97'528 bytes
First seen:2025-01-19 14:16:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Cp/AZby0g4l2eH6PgwxYLLlPRIfGweWmTOsR:Cp/SbyVo2e8gwxYLLlafGvTXR
TLSH T1E793B61D7E268FBCF7A9863447F78E22668833D627D1D545E19CD6012E6434E240FFA8
telfhash t1bb112e08493823f0abb21c9e6becfe76e59170db4a215d378e10f8ad9a5cd425e00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
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=678dc282e708b6e7a3ad7913linux22vpnfull_triage
Tags:
mirai virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Kills processes
Substitutes an application name
Kills critical processes
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/678d0968ee4e1f7c661b739d/reports/4f60081d-2193-445d-bc23-c859e33184f6/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
37
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843
Behaviour
Process Renaming
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/3676b798-52b3-4fe1-898c-312b403b8470
Result
Threat name:
Mirai, Okiru
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1594618
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: 1594618 Sample: hold.mips.elf Startdate: 19/01/2025 Architecture: LINUX Score: 100 54 krkrdoskslansldkalsd.o-r.kr 193.143.1.66, 58574, 58576, 58580 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.mips.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 64 Sample deletes itself 8->64 17 hold.mips.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 3 other processes 11->29 25 gpu-manager sh 13->25         started        27 gpu-manager sh 13->27         started        31 3 other processes 13->31 66 Sample reads /proc/mounts (often used for finding a writable filesystem) 15->66 33 8 other processes 15->33 process6 process7 45 2 other processes 17->45 35 sh grep 19->35         started        37 sh grep 21->37         started        39 sh grep 23->39         started        41 sh grep 25->41         started        43 sh grep 27->43         started        48 3 other processes 29->48 50 3 other processes 31->50 52 4 other processes 33->52 signatures8 68 Sample tries to kill a massive number of system processes 45->68 70 Sample tries to kill multiple processes (SIGKILL) 45->70
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-01-19 14:17:08 UTC
File Type:
ELF32 Big (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kxpwxzmn55fx7lmc5y2mrzt4awxn5w7swmrglgydhxbjs6ta5bbq._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-rlpb1s1qfr/
Behaviour
Reads runtime system information
System Network Configuration Discovery
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/7d6979ca-5f58-45e7-9005-2bb4ac72ad0b
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/55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843

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 55df6be58def4b7fad82ee34c8e67c05aededbf2b322659b033dc2997a60e843

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3405916/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3405941/

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