MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca1d705cea9c1c5f4022ea41b25f087782b8d358a78b9a95ffb616b2f34a02a6. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: ca1d705cea9c1c5f4022ea41b25f087782b8d358a78b9a95ffb616b2f34a02a6
SHA3-384 hash: 6707cd38f91476d851eaebeaa62add95a5f1b706fbb6acaa3cbc2d475d71a108ab26701168e509fd1448da245aa1e467
SHA1 hash: fea496a069a426941dd5c5ea267e03c476144537
MD5 hash: 30a48987365bc904e7533728b701131b
humanhash: solar-hawaii-montana-virginia
File name:nshkmpsl
Download: download sample
Signature Mirai
File size:101'604 bytes
First seen:2024-12-17 21:26:13 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:T76oUtVia0AvCIULeI6L/HzupBKS2gxMuhAYO4ZKze7aAy+viLPQEEj:T76oEVTVFCpBcgxMuhAYO4Mtoj
TLSH T1E8A3E619FF510EFBDCAFCD3746A9070135DC551622A82B3A3974C928F64A14F5AE3C68
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 :
143
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
DNS request
Changes the time when the file was created, accessed, or modified
Launching a process
Sends data to a server
Opens a port
Creating a file
Mounts file systems
Receives data from a server
Runs as daemon
Creates or modifies files in /cron to set up autorun
Substitutes an application name
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
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
60 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1577054 Sample: nshkmpsl.elf Startdate: 17/12/2024 Architecture: LINUX Score: 60 30 80.78.26.121, 10328, 16670, 16968 CYBERDYNELR Cyprus 2->30 32 kingstonwikkerink.dyn 212.64.215.71, 17851, 2616, 37992 RACKSPACE-LONGB Turkey 2->32 34 3 other IPs or domains 2->34 40 Multi AV Scanner detection for submitted file 2->40 42 Connects to many ports of the same IP (likely port scanning) 2->42 9 nshkmpsl.elf 2->9         started        signatures3 process4 process5 11 nshkmpsl.elf sh 9->11         started        13 nshkmpsl.elf 9->13         started        15 nshkmpsl.elf 9->15         started        process6 17 sh crontab 11->17         started        21 sh 11->21         started        23 nshkmpsl.elf 13->23         started        file7 28 /var/spool/cron/crontabs/tmp.b6zsnY, ASCII 17->28 dropped 36 Sample tries to persist itself using cron 17->36 38 Executes the "crontab" command typically for achieving persistence 17->38 25 sh crontab 21->25         started        signatures8 process9 signatures10 44 Executes the "crontab" command typically for achieving persistence 25->44
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2024-12-17 21:27:05 UTC
File Type:
ELF32 Little (Exe)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence privilege_escalatio
Behaviour
Reads runtime system information
Changes its process name
Creates/modifies Cron job
File and Directory Permissions Modification
Renames itself
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
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 ca1d705cea9c1c5f4022ea41b25f087782b8d358a78b9a95ffb616b2f34a02a6

(this sample)

  
Delivery method
Distributed via web download

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