MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29. 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: 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29
SHA3-384 hash: d19cbadd620886421eae6f081e68d7adf98287e92479295585cab567668a191756d965596de3a75c33b2f6ccb1675a2d
SHA1 hash: 1d44a0c924d883a678ba0387b4fc257a957f4c3a
MD5 hash: 6c2905b8aa750c857dc0a850e0bd31d7
humanhash: indigo-autumn-wisconsin-diet
File name:sora.arm7
Download: download sample
Signature Mirai
File size:60'576 bytes
First seen:2026-03-12 01:51:26 UTC
Last seen:2026-03-12 02:17:44 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:Y0lj115MBmXjkYY1C+OE0oiVgMLEGD0YLbte6LhA4TYI:Ysj11rYk+10o2gMLEh0bV9AEn
TLSH T1DA43025FC2157DE35FB442792AB1450FFD00A87E85CBBB3750E04B06A997188FB26306
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) :60'576 bytes
File size (de-compressed) :158'993 bytes
Format:linux/arm
Unpacked file: b5759c9234a98b776d06a8845fd19a4f8b2d31ce72a331c864dc2f0c978dfff8

Intelligence


File Origin
# of uploads :
2
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
3
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=fbb782d5-1a00-0000-abb5-ea0fb30a0000 pid=2739 /usr/bin/sudo guuid=908780d8-1a00-0000-abb5-ea0fb70a0000 pid=2743 /tmp/sample.bin guuid=fbb782d5-1a00-0000-abb5-ea0fb30a0000 pid=2739->guuid=908780d8-1a00-0000-abb5-ea0fb70a0000 pid=2743 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: 1882345 Sample: sora.arm7.elf Startdate: 12/03/2026 Architecture: LINUX Score: 52 17 45.141.26.73, 3778, 48312, 48314 SPECTRAIPSpectraIPBVNL Netherlands 2->17 19 Multi AV Scanner detection for submitted file 2->19 21 Sample is packed with UPX 2->21 7 sora.arm7.elf 2->7         started        signatures3 process4 process5 9 sora.arm7.elf 7->9         started        11 sora.arm7.elf 7->11         started        13 sora.arm7.elf 7->13         started        15 sora.arm7.elf 7->15         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-03-12 01:52:25 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 botnet:lzrd botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
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 4cf1333f5de389e2627636314215400ad59fdb34bca093d2e4e4ac8667cd9a29

(this sample)

  
Delivery method
Distributed via web download

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