MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a1f076ac47044594676a4cf7c7f548265aa8b499a3a6066836546c6ebb315cc. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 3a1f076ac47044594676a4cf7c7f548265aa8b499a3a6066836546c6ebb315cc
SHA3-384 hash: cb455a55d190dbad24603eab261f443b08046e97e0d249d057fd0a580fb7091bd53dc218460de91c81ac3c14bee50517
SHA1 hash: efcdbdcda92a65adcc93921ef865acede8dbef31
MD5 hash: 76b502ea7441d3b58ed6bb146d77699c
humanhash: triple-missouri-papa-uniform
File name:arm7
Download: download sample
Signature Mirai
File size:195'236 bytes
First seen:2026-01-01 01:15:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:kvlVe2URtgnA04MwREHKVAbW58fyitSfKNwODuxEHK1g0vkz/lk59nlqyVnyanxN:kvlVedtgA04MwREHKVAbW58fyeSfKNwh
TLSH T111142946ED418F11D5D622FAFA9F018C33536BB9E2FA7102DE205F6023CA99F0B76552
telfhash t1bf312f42cf680e6eb3cb41e488b9e21549f9319cb71819a3bb3836df5c531d23029d23
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 ab4cc779f3e4c090729aceab57a39613ae91c656110eb063d8bf0ee537450620
File size (compressed) :75'864 bytes
File size (de-compressed) :195'236 bytes
Format:linux/arm
Packed file: ab4cc779f3e4c090729aceab57a39613ae91c656110eb063d8bf0ee537450620

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-31T22:49:00Z UTC
Last seen:
2026-01-02T01:36:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=96bae6ed-1600-0000-f5c9-23ed030f0000 pid=3843 /usr/bin/sudo guuid=a4bad0ef-1600-0000-f5c9-23ed0c0f0000 pid=3852 /tmp/sample.bin guuid=96bae6ed-1600-0000-f5c9-23ed030f0000 pid=3843->guuid=a4bad0ef-1600-0000-f5c9-23ed0c0f0000 pid=3852 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842976 Sample: arm7.elf Startdate: 01/01/2026 Architecture: LINUX Score: 80 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 60876 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 daisy.ubuntu.com 162.213.35.25, 443, 56110, 56114 CANONICAL-ASGB United States 2->37 39 Found malware configuration 2->39 41 Antivirus detection for dropped file 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 2 other signatures 2->45 8 arm7.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm7.elf sh 8->15         started        17 arm7.elf sh 8->17         started        19 arm7.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm7.elf 19->27         started        29 arm7.elf 19->29         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-01 01:16:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery execution persistence privilege_escalation
Behaviour
Command and Scripting Interpreter: Unix Shell
Reads runtime system information
Changes its process name
Reads system network configuration
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
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7100807-0
YARA:
n/a
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 3a1f076ac47044594676a4cf7c7f548265aa8b499a3a6066836546c6ebb315cc

(this sample)

Comments