MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5c6eb898b6158357616cbdf56790f9aa61ccfe391e311f52df9d97ee7265d3a. 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 4 File information Comments

SHA256 hash: b5c6eb898b6158357616cbdf56790f9aa61ccfe391e311f52df9d97ee7265d3a
SHA3-384 hash: f4292b49a907565ff7e1f81233c717717e82294dfe499cc3c3dfba63f95aafb61c615cedd326b8844b14b7a963f60132
SHA1 hash: fc4582c94d4df01399362eb2d63f53b95cb050aa
MD5 hash: 928867dec6bb4869f4acbb9331de66cb
humanhash: music-solar-ack-stream
File name:renji.arm
Download: download sample
Signature Mirai
File size:40'892 bytes
First seen:2025-09-17 03:29:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:hsF5JoYnULjnXdup+7BY6gyOPYPakUWeg+bMZyiLs3UozP:hsF4YnKoU7+YBWz7zP
TLSH T10F03F22859D7ED72EC71CC32EA34CE43A36B92BC60CC3266178457ED764E02F9AB9055
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 UPX
File size (compressed) :40'892 bytes
File size (de-compressed) :92'008 bytes
Format:linux/arm
Unpacked file: 55851febf771dbddd9bd0c9cd72fdb76a66e3aefc73a1bb7598cd69c8964c746

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
47
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-17T01:58:00Z UTC
Last seen:
2025-09-17T01:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Deletes system log files
Manipulation of devices in /dev
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1778976 Sample: renji.arm.elf Startdate: 17/09/2025 Architecture: LINUX Score: 52 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 daisy.ubuntu.com 2->27 29 Sample is packed with UPX 2->29 10 renji.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 renji.arm.elf 10->14         started        process6 16 renji.arm.elf 14->16         started        process7 18 renji.arm.elf 16->18         started        process8 20 renji.arm.elf 18->20         started        23 renji.arm.elf 18->23         started        signatures9 31 Manipulation of devices in /dev 20->31 33 Deletes system log files 20->33
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2025-09-17 03:30:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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 b5c6eb898b6158357616cbdf56790f9aa61ccfe391e311f52df9d97ee7265d3a

(this sample)

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