MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5c8616e43730bd42313c078f4e07d5ba01e01de9d944e8dbec8c0550e9ca0e7. 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: b5c8616e43730bd42313c078f4e07d5ba01e01de9d944e8dbec8c0550e9ca0e7
SHA3-384 hash: 5f8324932dd5df45518db742516a495e3ac7d69643e6d51e55cd13f936a235886c3f50cf713862ad6d9291d0c8b699ad
SHA1 hash: 2aabc267114119726a71e1f37ad2ad7df45a3045
MD5 hash: d0dcc7304ff109469c1b55b0da261a55
humanhash: nitrogen-robert-papa-early
File name:armv6
Download: download sample
Signature Mirai
File size:101'040 bytes
First seen:2026-01-19 02:45:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:CxhJ9Aw+Go6a1foshQVEPar8k02wit+ywo8YwAccwl0aqNYPqyUUkqCwn+P7gHRR:CxW1f/gmaYk02jv8YPcgNYCokqdHnqF2
TLSH T15EA312A5F23F45A1D6B66072A8A220E473530CBD993ABBA50C07066539F24ED53CFDF1
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :101'040 bytes
File size (de-compressed) :252'696 bytes
Format:linux/arm
Unpacked file: 283a43ba98b23a7501458447db8174b41cf0f839f8352e0d8da43255514de9be

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T03:15:00Z UTC
Last seen:
2026-01-19T04:05:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=c66cb4cb-1a00-0000-3b31-0e3ee80a0000 pid=2792 /usr/bin/sudo guuid=64cadbcd-1a00-0000-3b31-0e3ee90a0000 pid=2793 /tmp/sample.bin guuid=c66cb4cb-1a00-0000-3b31-0e3ee80a0000 pid=2792->guuid=64cadbcd-1a00-0000-3b31-0e3ee90a0000 pid=2793 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1853067 Sample: armv6.elf Startdate: 19/01/2026 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 53258, 666 THEZONEBG Bulgaria 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Sample is packed with UPX 2->22 6 dash rm 2->6         started        8 dash grep 2->8         started        10 dash rm 2->10         started        12 2 other processes 2->12 signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-19 02:46:28 UTC
File Type:
ELF32 Little (SO)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Behaviour
Reads runtime system information
Changes its process name
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_arm_mips_ko_so
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:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
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 b5c8616e43730bd42313c078f4e07d5ba01e01de9d944e8dbec8c0550e9ca0e7

(this sample)

Comments