MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a13fd8229b94027197584f9adbd5e5f439472c2c00c63775a9e82ee3665b27. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 77a13fd8229b94027197584f9adbd5e5f439472c2c00c63775a9e82ee3665b27
SHA3-384 hash: 641f7b96d4a3c9b1263910bcd9326da0cd2057c1061cf64809a23bfb0ece3c36653c9c9a0e2d5db7690dd590f2de61b7
SHA1 hash: 7a2dc157384fd502dfbf4c966af1ead41561d0e7
MD5 hash: 30f86a767ed74d5308f7a3adfb7d0cef
humanhash: california-magnesium-lithium-twenty
File name:sora.arm7
Download: download sample
Signature Mirai
File size:52'520 bytes
First seen:2026-02-04 01:20:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:j9O/ZMAXIxNUk05fLcPqF1aBexo4opKZbQ:j9O/ZNKytfLGqFUFp
TLSH T1F833F262676E29E291B09377FC33EC1A969C1AE9896730DA3CF0561577C58024EF27C2
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) :52'520 bytes
File size (de-compressed) :143'882 bytes
Format:linux/arm
Unpacked file: ffac588e77d49640941d63f3674844633793caa5edf8eebbe7f74a60a6cf1570

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
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
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.ba HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=d1a1bc59-1900-0000-f6d3-4cd52c070000 pid=1836 /usr/bin/sudo guuid=a59e225f-1900-0000-f6d3-4cd531070000 pid=1841 /tmp/sample.bin guuid=d1a1bc59-1900-0000-f6d3-4cd52c070000 pid=1836->guuid=a59e225f-1900-0000-f6d3-4cd531070000 pid=1841 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1862967 Sample: sora.arm7.elf Startdate: 04/02/2026 Architecture: LINUX Score: 76 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 2 other IPs or domains 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected Mirai 2->24 26 Sample is packed with UPX 2->26 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 sora.arm7.elf 2->12         started        signatures3 process4
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-02-04 01:21:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora botnet discovery upx
Behaviour
Reads runtime system information
Mirai
Mirai family
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 77a13fd8229b94027197584f9adbd5e5f439472c2c00c63775a9e82ee3665b27

(this sample)

  
Delivery method
Distributed via web download

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