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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fb5920e77232d2079a7fc3dfea7d3d10bbb60cf20a0c4c7208e5bfd33387193. 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 8 File information Comments

SHA256 hash: 1fb5920e77232d2079a7fc3dfea7d3d10bbb60cf20a0c4c7208e5bfd33387193
SHA3-384 hash: 2451b0748da8aa4bd4c3a21a53e83262229412bbb5629212372f69a8e5335f452b380815e9cfd804454eca0da0d4d904
SHA1 hash: 4091340f957e2eedb08b6441ba490a3ec91bc436
MD5 hash: acb4235a1a927abd342cfb3c8165bf7e
humanhash: kansas-fillet-nineteen-triple
File name:arm7
Download: download sample
Signature Mirai
File size:141'778 bytes
First seen:2025-05-22 23:56:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:vI+GnuH/KhajX5+wjY+JE4MxTzBn7CHutbM/9a8:vI+GQChajX5+w82EF9n7CHuJM/9a8
TLSH T1A8D32B56E7418B53C0D61775B6EF42463323AB9493DB73069928AFF43F8279E0E23A05
telfhash t1fa21f0355766a1199ea1dd5498fd97b2162887232344ef33de36c4cc68060dae63bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
bash gcc lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
47
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Mirai, Moobot
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Suricata IDS alerts for network traffic
Yara detected Mirai
Yara detected Moobot
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697325 Sample: arm7.elf Startdate: 23/05/2025 Architecture: LINUX Score: 100 20 net.proxyscanner.cc 196.251.72.33, 45248, 5677 Web4AfricaZA Seychelles 2->20 22 Suricata IDS alerts for network traffic 2->22 24 Malicious sample detected (through community Yara rule) 2->24 26 Antivirus / Scanner detection for submitted sample 2->26 28 5 other signatures 2->28 9 arm7.elf 2->9         started        signatures3 process4 signatures5 30 Sample deletes itself 9->30 12 arm7.elf 9->12         started        process6 process7 14 arm7.elf 12->14         started        16 arm7.elf 12->16         started        process8 18 arm7.elf 14->18         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-05-22 23:57:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery
Behaviour
Reads runtime system information
Changes its process name
Enumerates running processes
Deletes itself
Malware Config
C2 Extraction:
net.proxyscanner.cc
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
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:Mal_LNX_Mirai_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 1fb5920e77232d2079a7fc3dfea7d3d10bbb60cf20a0c4c7208e5bfd33387193

(this sample)

  
Delivery method
Distributed via web download

Comments