MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a83c85ecfb2136430272f1bd1a03e01163105deba15c69fc41e8a9a897e4bb. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 42a83c85ecfb2136430272f1bd1a03e01163105deba15c69fc41e8a9a897e4bb
SHA3-384 hash: 099fa7eeb1a084da5e4e72fae8a8ec53df7291a6dc0c8534a4aa6572d16ec0b6aa8758159bd65c74eb0dd4d224036f56
SHA1 hash: 97e8b9d48c6065913b83970c6d4b910ef073faef
MD5 hash: d21ad48ac1eb7be6b0d5a9243d22df04
humanhash: georgia-massachusetts-equal-nineteen
File name:1
Download: download sample
Signature Mirai
File size:287'588 bytes
First seen:2024-12-17 23:46:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:b2pud7jJhlIamplAQ3DjMlkukh0uW2ODqHqXlOqcODmKEi2V:b1dxh3mMWP420YuO1ODEiS
TLSH T1A4542D15766D9FDFF767C1BAD2E7D0620A24BA4059D3CA0CC3ACFD1622B416823361A3
telfhash t1e0216a4a897813f4d7754dca46dcfb32e17170ce19202e378d22e8ae9a2dc81de01c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
170
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Sends data to a server
Kills processes
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
4
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Information Gathering
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:
spre.troj
Score:
76 / 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 tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1577095 Sample: 1.elf Startdate: 18/12/2024 Architecture: LINUX Score: 76 31 75.223.213.47, 37215, 55220 CELLCOUS United States 2->31 33 197.186.191.179 airtel-tz-asTZ Tanzania United Republic of 2->33 35 98 other IPs or domains 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 2 other signatures 2->43 9 1.elf 2->9         started        12 xfce4-panel wrapper-2.0 2->12         started        14 xfce4-panel wrapper-2.0 2->14         started        16 4 other processes 2->16 signatures3 process4 signatures5 47 Sample tries to kill multiple processes (SIGKILL) 9->47 18 1.elf 9->18         started        process6 process7 20 1.elf 18->20         started        process8 22 1.elf 20->22         started        25 1.elf 20->25         started        27 1.elf 20->27         started        29 1.elf 20->29         started        signatures9 45 Sample tries to kill multiple processes (SIGKILL) 22->45
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-12-17 23:47:05 UTC
File Type:
ELF32 Big (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (48107) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 42a83c85ecfb2136430272f1bd1a03e01163105deba15c69fc41e8a9a897e4bb

(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