MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b83680bd83547a59b43f47ce0a02ce12b3d653c6bb928aae98baf6d74d31b8e7. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: b83680bd83547a59b43f47ce0a02ce12b3d653c6bb928aae98baf6d74d31b8e7
SHA3-384 hash: b048501f9a329662d04a3588e3d474e9cb58d3e1476632355b9a7cda343494ddde5cd0ea71fd17c2e93090e901caf8a4
SHA1 hash: 39772938c91f977c75efc869418d3e6d47084069
MD5 hash: d71e6f678608758a2b6203ee295a3c5a
humanhash: five-summer-yellow-cardinal
File name:arm7
Download: download sample
Signature Mirai
File size:70'624 bytes
First seen:2025-12-28 19:38:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:HO4Bp7o/ZL3Snt5bo0zJ1XpcXykbFhKcYTVxvByhFx469ILV:Fc/ZDq50aJbZCF3ALvByXxL9ILV
TLSH T1EB6301606F4FAC44C3BE9A372B9C46D7DB941F9E6A2177A557348E113EC28A2C34918C
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) :70'624 bytes
File size (de-compressed) :182'536 bytes
Format:linux/arm
Unpacked file: 8047441e5406fe0248b0f21ff86f362cd0cf2ddae6b7baee263b01c458fbcd9d

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=2feaeb53-1a00-0000-e5bd-3f00cb0a0000 pid=2763 /usr/bin/sudo guuid=2226ba57-1a00-0000-e5bd-3f00cc0a0000 pid=2764 /tmp/sample.bin guuid=2feaeb53-1a00-0000-e5bd-3f00cb0a0000 pid=2763->guuid=2226ba57-1a00-0000-e5bd-3f00cc0a0000 pid=2764 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840897 Sample: arm7.elf Startdate: 28/12/2025 Architecture: LINUX Score: 56 46 151.242.30.13, 12121, 42434 RASANAIR Iran (ISLAMIC Republic Of) 2->46 50 Multi AV Scanner detection for submitted file 2->50 52 Sample is packed with UPX 2->52 11 arm7.elf 2->11         started        14 xfce4-panel wrapper-2.0 2->14         started        16 xfce4-panel wrapper-2.0 2->16         started        18 6 other processes 2->18 signatures3 process4 file5 44 /usr/local/bin/infinitd, ELF 11->44 dropped 20 arm7.elf 11->20         started        22 arm7.elf sh 11->22         started        24 arm7.elf sh 11->24         started        26 wrapper-2.0 xfpm-power-backlight-helper 14->26         started        process6 process7 28 arm7.elf 20->28         started        30 sh systemctl 22->30         started        32 sh systemctl 24->32         started        process8 34 arm7.elf 28->34         started        signatures9 48 Sample tries to kill multiple processes (SIGKILL) 34->48 37 arm7.elf 34->37         started        40 arm7.elf 34->40         started        process10 signatures11 54 Sample tries to kill multiple processes (SIGKILL) 37->54 42 arm7.elf 37->42         started        process12
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-28 19:39:16 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
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
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
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 b83680bd83547a59b43f47ce0a02ce12b3d653c6bb928aae98baf6d74d31b8e7

(this sample)

  
Delivery method
Distributed via web download

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