MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5afeb5d28e9e6672a6f57ca9615922cd10f231c60ce113fff371609f0820a03a. 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 2 File information Comments

SHA256 hash: 5afeb5d28e9e6672a6f57ca9615922cd10f231c60ce113fff371609f0820a03a
SHA3-384 hash: 72b0f44adf48c96bb1768b5920d773e1d6a41ce33c1f82514b2735b095aa4ddbed47b4a0bd4f034db72589c094921604
SHA1 hash: af6dd96d0a13864f55c26aba112788a485505a81
MD5 hash: 11d6cf8ef3e45acc63fca4d6594e8dd0
humanhash: sink-fruit-berlin-south
File name:nwfaiehg4ewijfgriehgirehaughrarg.mips
Download: download sample
Signature Mirai
File size:114'280 bytes
First seen:2025-10-08 18:26:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:pTtgJlCSYhqbLLqDridBiFJVKutLx39WvR254TKWhehLVHDg+7ABxo:EJ8Ob6D7VKutLx36R2K/6c+70o
TLSH T126B3B95E7E218F7DF7A8863047B34B21A35923D626E1D685E26CD9041F7038E245FFA8
telfhash t10d21af6c497813f097754d9d1bedffb6e5a070de06362c338e01e96daa6c9425d00c1c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 4c37f74b1307ffcc0304bb68732733a69b44896a0e2ea4bddcee38d4d0ac73c7
File size (compressed) :43'184 bytes
File size (de-compressed) :114'180 bytes
Format:linux/mips
Packed file: 4c37f74b1307ffcc0304bb68732733a69b44896a0e2ea4bddcee38d4d0ac73c7

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Removes directories from a temporary directory
Changes access rights for a written file
Receives data from a server
Runs as daemon
Removes directories
Connection attempt
Deleting a recently created file
Sends data to a server
Changes access rights for a file
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
57
Number of processes launched:
6
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
Verdict:
Malicious
File Type:
ELF 32 BE
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=ed4df428-1900-0000-ed76-e01a170a0000 pid=2583 /usr/bin/sudo guuid=e094b22b-1900-0000-ed76-e01a210a0000 pid=2593 /tmp/sample.bin guuid=ed4df428-1900-0000-ed76-e01a170a0000 pid=2583->guuid=e094b22b-1900-0000-ed76-e01a210a0000 pid=2593 execve
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791655 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 08/10/2025 Architecture: LINUX Score: 64 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 formaboyasdfa.redirectme.net 37.114.37.177, 12121, 40940, 40942 INTERCOLO-ASintercoloIP-BackboneDE Germany 2->31 33 3 other IPs or domains 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 10 dash rm nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 2->10         started        12 dash rm 2->12         started        14 dash cut 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 10->18         started        process6 20 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 18->20         started        process7 22 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 20->22         started        process8 24 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 22->24         started        27 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 22->27         started        signatures9 39 Manipulation of devices in /dev 24->39 41 Deletes system log files 24->41
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-08 18:33:57 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes system logs
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:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 5afeb5d28e9e6672a6f57ca9615922cd10f231c60ce113fff371609f0820a03a

(this sample)

  
Delivery method
Distributed via web download

Comments