MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dcf2faec833a016f0754c87d26ac7798b8c1fa42eda09b5e248a02699c5c9ea. 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 5 File information Comments

SHA256 hash: 8dcf2faec833a016f0754c87d26ac7798b8c1fa42eda09b5e248a02699c5c9ea
SHA3-384 hash: 52737aacf514946fd29e35ba8e63b43e4a6ebbd1d41c9dec0521b6486365d5fe1aebb6c74ff729bdfffec044c0d1ee6f
SHA1 hash: 8efed29e4b655f9863e6252e607eede275067502
MD5 hash: dbf5329fdae93066308b190de76a93e9
humanhash: missouri-fix-white-georgia
File name:putita.arm6
Download: download sample
Signature Mirai
File size:185'988 bytes
First seen:2026-08-19 03:08:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:aGiq8U7k04xyIiMWghSV3B/g/pn0j9zr95cYEEU8xGrgti5jOCCMJuLFofcIA8To:aGf72ThSVRoqpzZ5cYEEU8MrgteoBofG
TLSH T1CE043A95F880DE52C6D0267AFA7D518C331317B8D3DAB106CE149F35A7EB85A0E3E942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 decd05faa551bbe6233cc69704a8d9b71dac11f373fe38b6b39bd31612dc13df
File size (compressed) :82'812 bytes
File size (de-compressed) :185'988 bytes
Format:linux/arm
Packed file: decd05faa551bbe6233cc69704a8d9b71dac11f373fe38b6b39bd31612dc13df

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes the time when the file was created, accessed, or modified
Opens a port
Connection attempt
Launching a process
Changes access rights for a written file
Writes files to system directory
Substitutes an application name
Creates or modifies files in /cron to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
52
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=ac72265a-1f00-0000-70b4-cdfa73080000 pid=2163 /usr/bin/sudo guuid=e2d34e5c-1f00-0000-70b4-cdfa75080000 pid=2165 /tmp/sample.bin guuid=ac72265a-1f00-0000-70b4-cdfa73080000 pid=2163->guuid=e2d34e5c-1f00-0000-70b4-cdfa75080000 pid=2165 execve
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-19 03:09:33 UTC
File Type:
ELF32 Little (SO)
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Behaviour
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information


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

Web download

Mirai

elf 8dcf2faec833a016f0754c87d26ac7798b8c1fa42eda09b5e248a02699c5c9ea

(this sample)

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