MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc820385402d22996044f55478ca2bfc6f7b56e221cd326161857f9970229a0b. 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: fc820385402d22996044f55478ca2bfc6f7b56e221cd326161857f9970229a0b
SHA3-384 hash: e4755e34acb1898e769b3064c98468776a8142c75636344797efe927ff795daa69cfc3c3ac459147ffb2320e4d949523
SHA1 hash: dea053a53adb5cd32d756c4b7b0fbcc50baf5a3c
MD5 hash: 81d2174c036fcabe048891f31b2a01d5
humanhash: cup-timing-carbon-september
File name:arm
Download: download sample
Signature Mirai
File size:105'448 bytes
First seen:2026-01-12 15:04:05 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:ttJF+eAIxuPoiowpRsWAUX7Veo+NxtRVAb4OG0smKlnhaEgz+tdhbtO6du9H:ttq+UJoXnU5yxt34GMoaEgkdhbY
TLSH T16FA31288C2F376C3D15875F4C1579FA74A308D36D0B21E8DCCC7A90846AAD5D2953AE7
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :105'448 bytes
File size (de-compressed) :262'012 bytes
Format:linux/arm
Unpacked file: af97f623c9b765c5d83cf01d6db4d99962e82bcaaae7b1f627e11579e4322e8f

Intelligence


File Origin
# of uploads :
1
# of downloads :
95
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T15:21:00Z UTC
Last seen:
2026-01-13T09:19:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=70532233-1b00-0000-e9d7-faeabe0b0000 pid=3006 /usr/bin/sudo guuid=5d487636-1b00-0000-e9d7-faeac60b0000 pid=3014 /tmp/sample.bin guuid=70532233-1b00-0000-e9d7-faeabe0b0000 pid=3006->guuid=5d487636-1b00-0000-e9d7-faeac60b0000 pid=3014 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: 1849250 Sample: arm.elf Startdate: 12/01/2026 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 51772, 666 THEZONEBG Bulgaria 2->16 18 4 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 rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-12 15:04:23 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
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 fc820385402d22996044f55478ca2bfc6f7b56e221cd326161857f9970229a0b

(this sample)

Comments