MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55851febf771dbddd9bd0c9cd72fdb76a66e3aefc73a1bb7598cd69c8964c746. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: 55851febf771dbddd9bd0c9cd72fdb76a66e3aefc73a1bb7598cd69c8964c746
SHA3-384 hash: 072049a0e00292ae185dc41e692223406f8745fcd9c661d52a6b8d2bbe5f896c708132192436d2741b022cec4b180595
SHA1 hash: f7417647d463027874ca26140ad3dd7483f53ec9
MD5 hash: 1502c9de5967ec13bf9fd3dd83afa0b7
humanhash: one-october-four-whiskey
File name:renji.arm
Download: download sample
Signature Mirai
File size:92'008 bytes
First seen:2025-09-17 03:30:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:VMubqvMvKD1b8AcGuFfglnaM0FcsxH6R/CI8amQNmsvN3x6ZBS:VMubkMvKDU9gl30Fcsanq0u
TLSH T145932951FD819612CAC11276FB9E428D372713A8E2EE3203DD295F2137CB96B0E7B585
telfhash t13341c0924a9c1bdc27f4c348868d525e86f535f91b003adacf4fabaf04969d1741e436
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 b5c6eb898b6158357616cbdf56790f9aa61ccfe391e311f52df9d97ee7265d3a
File size (compressed) :40'892 bytes
File size (de-compressed) :92'008 bytes
Format:linux/arm
Packed file: b5c6eb898b6158357616cbdf56790f9aa61ccfe391e311f52df9d97ee7265d3a

Intelligence


File Origin
# of uploads :
1
# of downloads :
68
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-17T01:41:00Z UTC
Last seen:
2025-09-17T01:41:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=cf9cba9b-1600-0000-a855-60b9cd0c0000 pid=3277 /usr/bin/sudo guuid=1310a69d-1600-0000-a855-60b9d20c0000 pid=3282 /tmp/sample.bin guuid=cf9cba9b-1600-0000-a855-60b9cd0c0000 pid=3277->guuid=1310a69d-1600-0000-a855-60b9d20c0000 pid=3282 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
56 / 100
Signature
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: 1778975 Sample: renji.arm.elf Startdate: 17/09/2025 Architecture: LINUX Score: 56 29 169.254.169.254, 80 USDOSUS Reserved 2->29 31 wrxcnc.com 196.251.84.55, 47640, 529 SONIC-WirelessZA Seychelles 2->31 33 4 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 10 renji.arm.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 renji.arm.elf 10->18         started        process6 20 renji.arm.elf 18->20         started        process7 22 renji.arm.elf 20->22         started        process8 24 renji.arm.elf 22->24         started        27 renji.arm.elf 22->27         started        signatures9 37 Manipulation of devices in /dev 24->37 39 Deletes system log files 24->39
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-09-17 03:31:32 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
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 55851febf771dbddd9bd0c9cd72fdb76a66e3aefc73a1bb7598cd69c8964c746

(this sample)

Comments