MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c37f74b1307ffcc0304bb68732733a69b44896a0e2ea4bddcee38d4d0ac73c7. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 4c37f74b1307ffcc0304bb68732733a69b44896a0e2ea4bddcee38d4d0ac73c7
SHA3-384 hash: fbfc9587214c138cff3039ab5e4fcefb51f5e366fcc66db7d5d4100fdf584181f18461630df51893cb1d3c7c951194d4
SHA1 hash: 79a1dee43371bb86ca3424cfe6f678bc8d33950b
MD5 hash: 94f57468efb020101f1e5bb879d69316
humanhash: timing-beryllium-angel-black
File name:nwfaiehg4ewijfgriehgirehaughrarg.mips
Download: download sample
Signature Mirai
File size:43'184 bytes
First seen:2025-10-08 18:24:52 UTC
Last seen:2025-10-09 13:45:11 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:lUjzySMeMnWLeRtH8q+2KGHL0z9iZ3IGA7luT8+RkwVTpNnTtXfJgGlzDpbuR1JD:lTXeQWKXHL79IGA7gT8yvTJXdVJuF
TLSH T1A413F1BED8415998FC2CB3F8E6618F943E5383CBE103C5CB2EA6E5B4150CDB83946995
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :43'184 bytes
File size (de-compressed) :114'180 bytes
Format:linux/mips
Unpacked file: 5afeb5d28e9e6672a6f57ca9615922cd10f231c60ce113fff371609f0820a03a

Intelligence


File Origin
# of uploads :
5
# of downloads :
68
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Changes access rights for a file
Receives data from a server
Removes directories
Deleting a recently created file
Connection attempt
DNS request
Changes access rights for a written file
Runs as daemon
Removes directories from a temporary directory
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed threat upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
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
Status:
terminated
Behavior Graph:
%3 guuid=19c59800-1b00-0000-af43-b0e37a0a0000 pid=2682 /usr/bin/sudo guuid=18cd5002-1b00-0000-af43-b0e3800a0000 pid=2688 /tmp/sample.bin guuid=19c59800-1b00-0000-af43-b0e37a0a0000 pid=2682->guuid=18cd5002-1b00-0000-af43-b0e3800a0000 pid=2688 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1791670 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 08/10/2025 Architecture: LINUX Score: 60 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 formaboyasdfa.redirectme.net 37.114.37.177, 12121, 40944 INTERCOLO-ASintercoloIP-BackboneDE Germany 2->31 33 4 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Sample is packed with UPX 2->37 10 nwfaiehg4ewijfgriehgirehaughrarg.mips.elf 2->10         started        12 python3.8 dpkg 2->12         started        14 dash rm 2->14         started        16 dash rm 2->16         started        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.Trojan.Multiverze
Status:
Malicious
First seen:
2025-10-08 18:28:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
System Network Configuration Discovery
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 (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 4c37f74b1307ffcc0304bb68732733a69b44896a0e2ea4bddcee38d4d0ac73c7

(this sample)

  
Delivery method
Distributed via web download

Comments