MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b1f04f4a4aed544a64f434b28fefe201ae5942e5a12c6fa04dd9e3011123a24. 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 7 File information Comments

SHA256 hash: 5b1f04f4a4aed544a64f434b28fefe201ae5942e5a12c6fa04dd9e3011123a24
SHA3-384 hash: fb6f15b1f6446368c94c24fc53552802c5024a495229c6d9799f44b826fe83fc89e9596d42050f4356b092dd3d0832c6
SHA1 hash: 5443a5bb93f979956b8133fa04f4de5dfb241ce7
MD5 hash: 32353ac6e5ca3fc430b456a8ae3f2b19
humanhash: dakota-utah-delaware-jig
File name:efefa7
Download: download sample
Signature Mirai
File size:177'047 bytes
First seen:2025-04-15 22:57:30 UTC
Last seen:2025-05-04 15:59:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:ya/57QWPlDtc9ayBaRm7y4p2Z77XjTIGSt8+/o+deOM/9i9DUq:b/5759xcAyBaRm7y4pw7XIjt84o+dVMa
TLSH T166043C56E6418B13C0D61BBAB6DF424533239B64D3EB33069928BFB43F8679E0E63505
telfhash t1de31313157659816aa61dca0c9fd57f2251e86171384ef33df3bc99c280a04eb62bc4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
DNS request
Creating a file
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bash explorer gcc lolbin mirai remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
48
Number of processes launched:
3
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:
Aquabot, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sends malformed DNS queries
Yara detected Aquabot
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1665923 Sample: efefa7.elf Startdate: 16/04/2025 Architecture: LINUX Score: 80 25 raw.awaken-network.net. [malformed] 2->25 27 109.202.202.202, 80 INIT7CH Switzerland 2->27 29 5 other IPs or domains 2->29 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Aquabot 2->35 37 Yara detected Mirai 2->37 8 efefa7.elf 2->8         started        10 systemd dbus-daemon 2->10         started        13 systemd pulseaudio 2->13         started        15 3 other processes 2->15 signatures3 39 Sends malformed DNS queries 25->39 process4 signatures5 17 efefa7.elf 8->17         started        43 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->43 process6 signatures7 31 Sample deletes itself 17->31 20 efefa7.elf 17->20         started        23 efefa7.elf 17->23         started        process8 signatures9 41 Manipulation of devices in /dev 20->41
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-04-15 22:58:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Deletes itself
Malware Config
C2 Extraction:
141.98.10.142
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:F01_s1ckrule
Author:s1ckb017
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: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 5b1f04f4a4aed544a64f434b28fefe201ae5942e5a12c6fa04dd9e3011123a24

(this sample)

  
Delivery method
Distributed via web download

Comments