MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87a3fff1105af03dfa6d36b15fca1f8d0c7950f53dd5f14c277af01d0a2f960e. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: 87a3fff1105af03dfa6d36b15fca1f8d0c7950f53dd5f14c277af01d0a2f960e
SHA3-384 hash: 2d5c756eae09017585db88ff5bf85d50bc2741264a25c4b99a4f5348c57a0734c9c5ba403d8e7ba9fff079044056529e
SHA1 hash: 78f345da81304bc18547d51eaa7945c6eef92038
MD5 hash: 229d8ac42fee99eaee45c5e5ef2f906b
humanhash: pasta-blossom-maryland-august
File name:arm7-20240623-1330
Download: download sample
Signature Mirai
File size:158'643 bytes
First seen:2024-06-23 13:30:59 UTC
Last seen:2024-06-23 17:40:37 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:0OMLImF5kTBjarPP4mlJK3gdTORcXiXJ6AMGM/9ZKAzP:0ONmFuljarPP4mlQ3dRcXiZZM/9ZT7
TLSH T136F33B56FA414A13C0D61779BADF424633339BA493DB730699286FF43F8679E0E23905
telfhash t1dd211b764a65421a2670de54d8fe57b2151883232780fb33ef21848c241b05eea3bc4f
Reporter elfdigest
Tags:mirai

Intelligence


File Origin
# of uploads :
4
# of downloads :
130
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Receives data from a server
Runs as daemon
Sends data to a server
Connection attempt
DNS request
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
185.244.36.221
Number of open files:
2
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
37215
Behaviour
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:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461275 Sample: arm7-20240623-1330.elf Startdate: 23/06/2024 Architecture: LINUX Score: 100 22 retardedclassmate.dyn 2->22 24 197.190.238.230 zain-asGH Ghana 2->24 26 99 other IPs or domains 2->26 28 Snort IDS alert for network traffic 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 5 other signatures 2->34 8 arm7-20240623-1330.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 arm7-20240623-1330.elf 8->14         started        process6 16 arm7-20240623-1330.elf 14->16         started        18 arm7-20240623-1330.elf 14->18         started        20 arm7-20240623-1330.elf 14->20         started       
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-06-23 13:31:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Unexpected DNS network traffic destination
Contacts a large (102197) amount of remote hosts
Creates a large amount of network flows
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Linux_Gafgyt_May_2024
Author:NDA0E
Description:Detects Gafgyt
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 87a3fff1105af03dfa6d36b15fca1f8d0c7950f53dd5f14c277af01d0a2f960e

(this sample)

  
Delivery method
Distributed via web download

Comments