MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f02ef98bd704f0076d210e38c747f35bc8b85c00dc57bc2aa4000534d7cd39b. 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

SHA256 hash: 2f02ef98bd704f0076d210e38c747f35bc8b85c00dc57bc2aa4000534d7cd39b
SHA3-384 hash: c7a28c859661db5ae5470f4ba4a82d9fbfbb0756aad967df13aceb7aaa21742a2766d17bb35f4002cc500f02396d4329
SHA1 hash: 0ab239a14fd4f56bcf047e0c1cd5be5bbe2c5c16
MD5 hash: f07efa5a261d90076f49cb7bf307f42c
humanhash: table-uncle-alaska-saturn
File name:nshkarm5
Download: download sample
Signature Mirai
File size:66'916 bytes
First seen:2024-12-08 07:45:58 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:70HYCo7h5AreW6e9sW33ZPnF6xIPSzSw:7+YVuF6csW33lF6Yg
TLSH T192633D81FD819A12C6D0217BFB2E428D77275368D2EF72039E25AF21378792B0E77651
telfhash t110e07d261f8c6ecce3e0c98992dfa21a545d34fd651a1d641cfe1eed4323140f355994
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 :
99
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1570836 Sample: nshkarm5.elf Startdate: 08/12/2024 Architecture: LINUX Score: 96 22 shitrocket.dyn. [malformed] 2->22 24 hikvision.geek. [malformed] 2->24 26 105 other IPs or domains 2->26 28 Suricata IDS alerts for network traffic 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 36 3 other signatures 2->36 9 nshkarm5.elf 2->9         started        signatures3 34 Sends malformed DNS queries 24->34 process4 signatures5 38 Sample reads /proc/mounts (often used for finding a writable filesystem) 9->38 12 nshkarm5.elf 9->12         started        14 nshkarm5.elf 9->14         started        process6 process7 16 nshkarm5.elf 12->16         started        18 nshkarm5.elf 14->18         started        process8 20 nshkarm5.elf 16->20         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-08 07:46:04 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Unexpected DNS network traffic destination
Contacts a large (235480) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7355719-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1
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:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
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 2f02ef98bd704f0076d210e38c747f35bc8b85c00dc57bc2aa4000534d7cd39b

(this sample)

  
Delivery method
Distributed via web download

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