MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 783a9d88cf07dc47012a19abc5feb8fae60a25e529d51a95f2669c4731d6ff59. 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 2 File information Comments

SHA256 hash: 783a9d88cf07dc47012a19abc5feb8fae60a25e529d51a95f2669c4731d6ff59
SHA3-384 hash: 7c413be448dfe834cd094baf7e5d25843dd475e6a4e645bdfbedeb339c04e93dc90cd5db7429743bb596d704b2f61f1c
SHA1 hash: bb18b33d9a90613385353484f99a7538326744c2
MD5 hash: 3ea9b3888be25adce6d30301cb46999b
humanhash: alpha-timing-hotel-autumn
File name:arm7
Download: download sample
Signature Mirai
File size:71'200 bytes
First seen:2025-12-29 16:49:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:fIHDi2MKpzahoyaYJ1H3GJ0K8f16tPPh0+65x4EX6h1z6jPrsk1xwE9DLl:fIzptlYJ12+K20Ph0+65x4o6h1z6DrVN
TLSH T17B6312386B2576B189F23DB77A701AD776BCE7ACF52410264CE1988C9493B81E38F614
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) :71'200 bytes
File size (de-compressed) :182'580 bytes
Format:linux/arm
Unpacked file: 2657d54fa0df7e38d3b0e080b42f15415ab0d597c2af8937c917030e9ce8712c

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-29T14:11:00Z UTC
Last seen:
2025-12-29T14:58:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1841597 Sample: arm7.elf Startdate: 29/12/2025 Architecture: LINUX Score: 60 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Gafgyt 2->50 52 Sample is packed with UPX 2->52 9 arm7.elf 2->9         started        12 python3.8 dpkg 2->12         started        process3 file4 46 /usr/local/bin/infinitd, ELF 9->46 dropped 14 arm7.elf 9->14         started        16 arm7.elf 9->16         started        18 arm7.elf sh 9->18         started        20 2 other processes 9->20 process5 process6 22 arm7.elf 14->22         started        24 arm7.elf 14->24         started        26 arm7.elf 16->26         started        28 arm7.elf 16->28         started        30 sh systemctl 18->30         started        32 sh systemctl 20->32         started        process7 34 arm7.elf 22->34         started        36 arm7.elf 22->36         started        38 arm7.elf 26->38         started        40 arm7.elf 28->40         started        process8 42 arm7.elf 34->42         started        44 arm7.elf 36->44         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-29 16:50:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation upx
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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 783a9d88cf07dc47012a19abc5feb8fae60a25e529d51a95f2669c4731d6ff59

(this sample)

  
Delivery method
Distributed via web download

Comments