MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9c31a82b488cbd9cad5c540bc6658ba0ed6bc667fc371c54ea090cf808a3f5. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 1b9c31a82b488cbd9cad5c540bc6658ba0ed6bc667fc371c54ea090cf808a3f5
SHA3-384 hash: b62754d6cdeb1cb22035e7cd1e775cf33c87ca5d0dde1e75506acfab0adb6c1d7f8dabfc0a3e9ac0986970106ce09b25
SHA1 hash: 075f45292156af539420fb14d955f07c6b74be58
MD5 hash: efc091ceb25dc261fb42245a5f0f94f0
humanhash: four-bravo-friend-butter
File name:irc.arm7
Download: download sample
Signature Mirai
File size:52'736 bytes
First seen:2022-06-15 04:51:11 UTC
Last seen:2022-06-15 05:39:51 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:bjdsqPOjJzjd5/upFTlFBI3PAlTslTRR05IPLGeRX819q3UELPupAWPvlpEb2HkA:bjdmzjdcpFxriPXfR0QiEXzL0AMvrEA
TLSH T1FB33F1728AA1B7F0B97857724C648E8B9FAF1F7CF2F2616F601703713125805E5618E6
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter tolisec
Tags:mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
62.197.136.92/shitnet
Number of open files:
52
Number of processes launched:
6
Processes remaning?
false
Remote TCP ports scanned:
23
Behaviour
Information Gathering
Botnet C2s
TCP botnet C2(s):
62.197.136.92:9506
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645898 Sample: irc.arm7 Startdate: 15/06/2022 Architecture: LINUX Score: 64 22 196.161.11.230, 23 Vast-Networks-ASZA South Africa 2->22 24 92.74.168.229, 23 VODANETInternationalIP-BackboneofVodafoneDE Germany 2->24 26 98 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Uses known network protocols on non-standard ports 2->32 34 Sample is packed with UPX 2->34 8 irc.arm7 2->8         started        signatures3 process4 process5 10 irc.arm7 8->10         started        12 irc.arm7 8->12         started        14 irc.arm7 8->14         started        process6 16 irc.arm7 10->16         started        18 irc.arm7 10->18         started        20 irc.arm7 10->20         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2022-06-15 04:52:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Reads system network configuration
Enumerates active TCP sockets
Write file to user bin folder
Contacts a large (18668) amount of remote hosts
Creates a large amount of network flows
Modifies the Watchdog daemon
Writes file to system bin folder
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
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 1b9c31a82b488cbd9cad5c540bc6658ba0ed6bc667fc371c54ea090cf808a3f5

(this sample)

  
Delivery method
Distributed via web download

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